Sorry Brian. As we discussed LDAP monitoring in the thread, based on it to raise a new question.
I also want to compare the value of contextCSN, and I can obtain the value with ldapsearch. Is there a way to send the value of contextCSN from each ldap server to Prometheus, and compare them? On Tuesday, July 5, 2022 at 5:20:28 PM UTC+8 nina guo wrote: > Thank you Brian for your great help. > > On Tuesday, July 5, 2022 at 5:10:24 PM UTC+8 Brian Candler wrote: > >> > My blackbox is running as a pod in a k8s cluster. Do you have good >> suggestion to store the cert file? >> >> A configMap is how I'd do it. >> >> On Tuesday, 5 July 2022 at 09:21:23 UTC+1 [email protected] wrote: >> >>> Added as below: >>> >>> smtp_starttls: >>> prober: tcp >>> timeout: 20s >>> tcp: >>> tls_config: # add here? >>> ca_file: "/certs/my_cert.crt" # add here? >>> >>> query_response: >>> - expect: "^220 ([^ ]+) ESMTP" >>> send: "EHLO prober\r" >>> - expect: "^250-STARTTLS" >>> - expect: "^250 .*$" >>> send: "STARTTLS\r" >>> - expect: "^220" >>> starttls: true >>> - send: "EHLO prober\r" >>> - expect: "^250 .*$" >>> send: "QUIT\r" >>> >>> My blackbox is running as a pod in a k8s cluster. Do you have good >>> suggestion to store the cert file? >>> On Tuesday, July 5, 2022 at 4:09:08 PM UTC+8 nina guo wrote: >>> >>>> Thank you very much. >>>> >>>> I changed to connect with DNS name. So according to the error msg, >>>> following your kind suggestion, I need to go with [^2], am I right? >>>> >>>> ts=2022-07-05T07:32:17.495596017Z caller=main.go:130 >>>> module=smtp_starttls target=mailserver:25 level=error msg="TLS Handshake >>>> (client) failed" err="x509: certificate signed by unknown authority" >>>> >>>> On Tuesday, July 5, 2022 at 3:58:09 PM UTC+8 Brian Candler wrote: >>>> >>>>> Problem 1: timeout / regexp mismatch >>>>> >>>>> > ts=2022-07-05T02:29:41.609572861Z caller=main.go:130 >>>>> module=smtp_starttls target=1.1.1.1:25 level=debug msg="Read line" >>>>> line="220 mail.com ESMTP" >>>>> > ts=2022-07-05T02:29:46.607798497Z caller=main.go:130 >>>>> module=smtp_starttls target=11.1.1.1:25 level=error msg="Error >>>>> reading from connection" err="read tcp4 0.0.0.0:57074->1.1.1.1:25: >>>>> i/o timeout" >>>>> >>>>> You asked it to match "^220 ([^ ]+) ESMTP (.+)$" which means: >>>>> >>>>> - "220" >>>>> - <space> >>>>> - 1 or more <non-space> >>>>> - <space> >>>>> - "ESMTP" >>>>> - <space> >>>>> - 1 or more <any-character> >>>>> - end of line >>>>> >>>>> But in the banner you got back from the target host, there's nothing >>>>> after the word "ESMTP": the line ends there immediately. Hence you were >>>>> right to change the regexp. >>>>> >>>>> "I'm not sure if the change is acceptable from blackbox's view" - >>>>> Blackbox will do whatever you ask it to do. If you want to match both >>>>> cases (i.e. mail servers which do and don't put any text after "ESMTP"), >>>>> then use a regexp which does that: >>>>> >>>>> "^220 ([^ ]+) ESMTP( .+)?$" >>>>> >>>>> or >>>>> >>>>> "^220 ([^ ]+) ESMTP.*$" >>>>> >>>>> or even just >>>>> >>>>> "^220 ([^ ]+) ESMTP" >>>>> >>>>> (no need to match all the way to the end of the line) >>>>> >>>>> Problem 2: TLS handshake failed >>>>> >>>>> * You asked Blackbox Exporter to connect to a host by IP address >>>>> (1.1.1.1), instead of using a DNS name (smtp.example.com) >>>>> * Therefore, Blackbox Exporter cannot verify the certificate unless >>>>> the certificate itself contains an IP address >>>>> >>>>> It's the same as if you put https://1.1.1.1/ in your web browser. >>>>> There's no way the browser can validate the certificate, unless the >>>>> certificate itself contains IP address "1.1.1.1". And that is a very >>>>> uncommon sort of certificate. >>>>> >>>>> Please, try *exactly* the command I gave you before: >>>>> *curl -g >>>>> 'localhost:9115/probe?module=smtp_starttls&target=aspmx.l.google.com:25&debug=true'* >>>>> >>>>> No changes. Copy-paste exactly that, with the hostname " >>>>> aspmx.l.google.com" in it. You should find that it verifies >>>>> correctly, as long as the ESMTP regexp matches OK. >>>>> >>>>> Then to get it to work with your own mail server, you will need to do >>>>> exactly the same: >>>>> * Refer to your mail server by its DNS name, not IP address, when >>>>> asking blackbox_exporter to test it >>>>> * The mail server must have a certificate which contains this name [^1] >>>>> * The mail server's certificate must be signed by a certificate >>>>> authority that blackbox_exporter trusts [^2] >>>>> * The mail server's certificate must not have expired, i.e. the >>>>> current time is within its notBefore and notAfter times >>>>> >>>>> [^1] If you still want to connect to the server by IP address but >>>>> check for a different name in the certificate, then use the "server_name" >>>>> setting in tls_config: see >>>>> https://prometheus.io/docs/prometheus/latest/configuration/configuration/#tls_config >>>>> >>>>> [^2] If the certificate authority that signed your mail server's >>>>> certificate is not in the system trust store then use the "ca_file" >>>>> setting >>>>> in tls_config: see >>>>> https://github.com/prometheus/blackbox_exporter/blob/v0.21.1/example.yml#L53-L54 >>>>> >>>>> Or you can give up, and use "insecure_skip_verify: true" to disable >>>>> certificate validation altogether: >>>>> https://github.com/prometheus/blackbox_exporter/blob/v0.21.1/example.yml#L27-L28 >>>>> (although then you lose valuable tests, because if your certificate >>>>> was valid and becomes invalid you won't know. I also note that if you >>>>> can't get blackbox_exporter to validate the certificate, then your >>>>> clients >>>>> probably won't be able to validate it either) >>>>> >>>>> At this point, it isn't really an issue with blackbox_exporter any >>>>> more: it's a case of understanding how certificates and certificate >>>>> validation work. >>>>> >>>>> On Tuesday, 5 July 2022 at 05:53:46 UTC+1 [email protected] wrote: >>>>> >>>>>> I tried to change the first expect to ^220 ([^ ]+) ESMTP$. But I'm >>>>>> not sure if the change is acceptable from blackbox's view. >>>>>> >>>>>> smtp_starttls: >>>>>> prober: tcp >>>>>> timeout: 20s >>>>>> tcp: >>>>>> query_response: >>>>>> #- expect: "^220 ([^ ]+) ESMTP (.+)$" >>>>>> - expect: "^220 ([^ ]+) ESMTP$" >>>>>> >>>>>> send: "EHLO prober\r" >>>>>> - expect: "^250-STARTTLS" >>>>>> - expect: "^250 .*$" >>>>>> send: "STARTTLS\r" >>>>>> - expect: "^220" >>>>>> starttls: true >>>>>> - send: "EHLO prober\r" >>>>>> - expect: "^250 .*$" >>>>>> send: "QUIT\r" >>>>>> >>>>>> >>>>>> Curled and got the following error. Does it mean the mail server >>>>>> doesn't contain any IP SANs? And on mail server certificate cannot be >>>>>> validated? >>>>>> ts=2022-07-05T04:18:10.539326118Z caller=main.go:130 >>>>>> module=smtp_starttls target=1.1.1.1:25 level=error msg="TLS >>>>>> Handshake (client) failed" err="x509: cannot validate certificate for >>>>>> 1.1.1.1 because it doesn't contain any IP SANs" >>>>>> >>>>>> curl -g ' >>>>>> http://0.0.0.0:9115/probe?module=smtp_starttls&target=1.1.1.1:25&debug=true >>>>>> ' >>>>>> Logs for the probe: >>>>>> ts=2022-07-05T04:18:10.527958378Z caller=main.go:320 >>>>>> module=smtp_starttls target=1.1.1.1:25 level=info msg="Beginning >>>>>> probe" probe=tcp timeout_seconds=20 >>>>>> ts=2022-07-05T04:18:10.528040568Z caller=tcp.go:40 >>>>>> module=smtp_starttls target=1.1.1.1:25 level=info msg="Resolving >>>>>> target address" ip_protocol=ip6 >>>>>> ts=2022-07-05T04:18:10.528063021Z caller=tcp.go:40 >>>>>> module=smtp_starttls target=1.1.1.1:25 level=info msg="Resolving >>>>>> target address" ip_protocol=ip4 >>>>>> ts=2022-07-05T04:18:10.528076698Z caller=tcp.go:40 >>>>>> module=smtp_starttls target=1.1.1.1:25 level=info msg="Resolved >>>>>> target address" ip=1.1.1.1 >>>>>> ts=2022-07-05T04:18:10.528115109Z caller=tcp.go:121 >>>>>> module=smtp_starttls target=1.1.1.1:25 level=info msg="Dialing TCP >>>>>> without TLS" >>>>>> ts=2022-07-05T04:18:10.529223463Z caller=main.go:130 >>>>>> module=smtp_starttls target=1.1.1.1:25 level=info msg="Successfully >>>>>> dialed" >>>>>> ts=2022-07-05T04:18:10.529258037Z caller=main.go:130 >>>>>> module=smtp_starttls target=1.1.1.1:25 level=info msg="Processing >>>>>> query response entry" entry_number=0 >>>>>> ts=2022-07-05T04:18:10.530236839Z caller=main.go:130 >>>>>> module=smtp_starttls target=1.1.1.1:25 level=debug msg="Read line" >>>>>> line="220 mail.com ESMTP" >>>>>> ts=2022-07-05T04:18:10.530278493Z caller=main.go:130 >>>>>> module=smtp_starttls target=1.1.1.1:25 level=info msg="Regexp >>>>>> matched" regexp="^220 ([^ ]+) ESMTP$" line="220 mail.com ESMTP" >>>>>> ts=2022-07-05T04:18:10.53030557Z caller=main.go:130 >>>>>> module=smtp_starttls target=1.1.1.1:25 level=debug msg="Sending >>>>>> line" line="EHLO prober\r" >>>>>> ts=2022-07-05T04:18:10.530348868Z caller=main.go:130 >>>>>> module=smtp_starttls target=1.1.1.1:25 level=info msg="Processing >>>>>> query response entry" entry_number=1 >>>>>> ts=2022-07-05T04:18:10.530919204Z caller=main.go:130 >>>>>> module=smtp_starttls target=1.1.1.1:25 level=debug msg="Read line" >>>>>> line=250-mail.com >>>>>> ts=2022-07-05T04:18:10.530955761Z caller=main.go:130 >>>>>> module=smtp_starttls target=1.1.1.1:25 level=debug msg="Read line" >>>>>> line=250-PIPELINING >>>>>> ts=2022-07-05T04:18:10.530971243Z caller=main.go:130 >>>>>> module=smtp_starttls target=1.1.1.1:25 level=debug msg="Read line" >>>>>> line="250-SIZE 10240000" >>>>>> ts=2022-07-05T04:18:10.530985701Z caller=main.go:130 >>>>>> module=smtp_starttls target=1.1.1.1:25 level=debug msg="Read line" >>>>>> line=250-ETRN >>>>>> ts=2022-07-05T04:18:10.531006196Z caller=main.go:130 >>>>>> module=smtp_starttls target=1.1.1.1:25 level=debug msg="Read line" >>>>>> line=250-STARTTLS >>>>>> ts=2022-07-05T04:18:10.531025088Z caller=main.go:130 >>>>>> module=smtp_starttls target=1.1.1.1:25 level=info msg="Regexp >>>>>> matched" regexp=^250-STARTTLS line=250-STARTTLS >>>>>> ts=2022-07-05T04:18:10.531045174Z caller=main.go:130 >>>>>> module=smtp_starttls target=1.1.1.1:25 level=info msg="Processing >>>>>> query response entry" entry_number=2 >>>>>> ts=2022-07-05T04:18:10.531064549Z caller=main.go:130 >>>>>> module=smtp_starttls target=1.1.1.1:25 level=debug msg="Read line" >>>>>> line="250-AUTH PLAIN LOGIN" >>>>>> ts=2022-07-05T04:18:10.531077325Z caller=main.go:130 >>>>>> module=smtp_starttls target=1.1.1.1:25 level=debug msg="Read line" >>>>>> line=250-ENHANCEDSTATUSCODES >>>>>> ts=2022-07-05T04:18:10.531088466Z caller=main.go:130 >>>>>> module=smtp_starttls target=1.1.1.1:25 level=debug msg="Read line" >>>>>> line=250-8BITMIME >>>>>> ts=2022-07-05T04:18:10.53110099Z caller=main.go:130 >>>>>> module=smtp_starttls target=1.1.1.1:25 level=debug msg="Read line" >>>>>> line="250 DSN" >>>>>> ts=2022-07-05T04:18:10.531134286Z caller=main.go:130 >>>>>> module=smtp_starttls target=1.1.1.1:25 level=info msg="Regexp >>>>>> matched" regexp="^250 .*$" line="250 DSN" >>>>>> ts=2022-07-05T04:18:10.531186418Z caller=main.go:130 >>>>>> module=smtp_starttls target=1.1.1.1:25 level=debug msg="Sending >>>>>> line" line="STARTTLS\r" >>>>>> ts=2022-07-05T04:18:10.531234743Z caller=main.go:130 >>>>>> module=smtp_starttls target=1.1.1.1:25 level=info msg="Processing >>>>>> query response entry" entry_number=3 >>>>>> ts=2022-07-05T04:18:10.531762621Z caller=main.go:130 >>>>>> module=smtp_starttls target=1.1.1.1:25 level=debug msg="Read line" >>>>>> line="220 2.0.0 Ready to start TLS" >>>>>> ts=2022-07-05T04:18:10.531779841Z caller=main.go:130 >>>>>> module=smtp_starttls target=1.1.1.1:25 level=info msg="Regexp >>>>>> matched" regexp=^220 line="220 2.0.0 Ready to start TLS" >>>>>> ts=2022-07-05T04:18:10.539326118Z caller=main.go:130 >>>>>> module=smtp_starttls target=1.1.1.1:25 level=error msg="TLS >>>>>> Handshake (client) failed" err="x509: cannot validate certificate for >>>>>> 1.1.1.1 because it doesn't contain any IP SANs" >>>>>> ts=2022-07-05T04:18:10.53937693Z caller=main.go:320 >>>>>> module=smtp_starttls target=1.1.1.1:25 level=error msg="Probe >>>>>> failed" duration_seconds=0.011375261 >>>>>> >>>>>> On Tuesday, July 5, 2022 at 12:03:50 PM UTC+8 nina guo wrote: >>>>>> >>>>>>> I may find the root cause - comparing the output between google's >>>>>>> mail server and my mail server >>>>>>> >>>>>>> my mail server >>>>>>> ts=2022-07-05T02:29:41.608566903Z caller=main.go:130 >>>>>>> module=smtp_starttls target=1.1.1.1:25 level=info msg="Successfully >>>>>>> dialed" >>>>>>> ts=2022-07-05T02:29:41.608652361Z caller=main.go:130 >>>>>>> module=smtp_starttls target=1.1.1.1:25 level=info msg="Processing >>>>>>> query response entry" entry_number=0 >>>>>>> ts=2022-07-05T02:29:41.609572861Z caller=main.go:130 >>>>>>> module=smtp_starttls target=1.1.1.1:25 level=debug msg="Read line" >>>>>>> line="220 mail.com ESMTP" >>>>>>> ts=2022-07-05T02:29:46.607798497Z caller=main.go:130 >>>>>>> module=smtp_starttls target=11.1.1.1:25 level=error msg="Error >>>>>>> reading from connection" err="read tcp4 0.0.0.0:57074->1.1.1.1:25: >>>>>>> i/o timeout" >>>>>>> >>>>>>> google's mail server >>>>>>> ts=2022-07-05T02:04:33.385587664Z caller=main.go:130 >>>>>>> module=smtp_starttls target=142.250.102.27:25 level=info >>>>>>> msg="Successfully dialed" >>>>>>> ts=2022-07-05T02:04:33.385613189Z caller=main.go:130 >>>>>>> module=smtp_starttls target=142.250.102.27:25 level=info >>>>>>> msg="Processing query response entry" entry_number=0 >>>>>>> ts=2022-07-05T02:04:33.419235886Z caller=main.go:130 >>>>>>> module=smtp_starttls target=142.250.102.27:25 level=debug msg="Read >>>>>>> line" line="220 mx.google.com ESMTP >>>>>>> dn22-20020a17090794d600b006dfc3945326si6666807ejc.152 - gsmtp" >>>>>>> ts=2022-07-05T02:04:33.419280493Z caller=main.go:130 >>>>>>> module=smtp_starttls target=142.250.102.27:25 level=info >>>>>>> msg="Regexp matched" regexp="^220 ([^ ]+) ESMTP (.+)$" line="220 >>>>>>> mx.google.com ESMTP >>>>>>> dn22-20020a17090794d600b006dfc3945326si6666807ejc.152 - gsmtp" >>>>>>> >>>>>>> From the output it shows the regex is not matched for my mail server >>>>>>> - ^220 ([^ ]+) ESMTP (.+)$ >>>>>>> >>>>>>> In config file >>>>>>> smtp_starttls: >>>>>>> prober: tcp >>>>>>> timeout: 20s >>>>>>> >>>>>>> tcp: >>>>>>> query_response: >>>>>>> - expect: "^220 ([^ ]+) ESMTP (.+)$" >>>>>>> send: "EHLO prober\r" >>>>>>> - expect: "^250-STARTTLS" >>>>>>> - expect: "^250 .*$" >>>>>>> send: "STARTTLS\r" >>>>>>> >>>>>>> - expect: "^220" >>>>>>> starttls: true >>>>>>> - send: "EHLO prober\r" >>>>>>> - expect: "^250 .*$" >>>>>>> send: "QUIT\r" >>>>>>> On Tuesday, July 5, 2022 at 11:40:06 AM UTC+8 nina guo wrote: >>>>>>> >>>>>>>> I searched this info blackbox_exporter for SMTP monitoring w/ TCP >>>>>>>> module : PrometheusMonitoring (reddit.com) >>>>>>>> <https://www.reddit.com/r/PrometheusMonitoring/comments/q60357/blackbox_exporter_for_smtp_monitoring_w_tcp_module/> >>>>>>>> , >>>>>>>> added "\r", but still got the same issue.. >>>>>>>> >>>>>>>> On Tuesday, July 5, 2022 at 11:26:49 AM UTC+8 nina guo wrote: >>>>>>>> >>>>>>>>> telnet got succeed. >>>>>>>>> >>>>>>>>> telnet 1.1.1.1 25 >>>>>>>>> Trying 1.1.1.1... >>>>>>>>> Connected to 1.1.1.1. >>>>>>>>> Escape character is '^]'. >>>>>>>>> 220 ... ESMTP >>>>>>>> >>>>>>>> >>>>>>>>> >>>>>>>>> On Tuesday, July 5, 2022 at 11:11:48 AM UTC+8 nina guo wrote: >>>>>>>>> >>>>>>>>>> Probe failed due to TLS issue...it is not the same issue with my >>>>>>>>>> mail server.. >>>>>>>>>> There is no "i/o timeout" issue for google's mail server. >>>>>>>>>> >>>>>>>>>> curl -g ' >>>>>>>>>> http://0.0.0.0:9115/probe?module=smtp_starttls&target=142.250.102.27:25&debug=true >>>>>>>>>> >>>>>>>>>> <http://100.100.3.9:9115/probe?module=smtp_starttls&target=142.250.102.27:25&debug=true> >>>>>>>>>> ' >>>>>>>>>> Logs for the probe: >>>>>>>>>> ts=2022-07-05T02:04:33.373763474Z caller=main.go:320 >>>>>>>>>> module=smtp_starttls target=142.250.102.27:25 level=info >>>>>>>>>> msg="Beginning probe" probe=tcp timeout_seconds=5 >>>>>>>>>> ts=2022-07-05T02:04:33.373850167Z caller=tcp.go:40 >>>>>>>>>> module=smtp_starttls target=142.250.102.27:25 level=info >>>>>>>>>> msg="Resolving target address" ip_protocol=ip6 >>>>>>>>>> ts=2022-07-05T02:04:33.373867876Z caller=tcp.go:40 >>>>>>>>>> module=smtp_starttls target=142.250.102.27:25 level=info >>>>>>>>>> msg="Resolving target address" ip_protocol=ip4 >>>>>>>>>> ts=2022-07-05T02:04:33.373882263Z caller=tcp.go:40 >>>>>>>>>> module=smtp_starttls target=142.250.102.27:25 level=info >>>>>>>>>> msg="Resolved target address" ip=142.250.102.27 >>>>>>>>>> ts=2022-07-05T02:04:33.373903614Z caller=tcp.go:121 >>>>>>>>>> module=smtp_starttls target=142.250.102.27:25 level=info >>>>>>>>>> msg="Dialing TCP without TLS" >>>>>>>>>> ts=2022-07-05T02:04:33.385587664Z caller=main.go:130 >>>>>>>>>> module=smtp_starttls target=142.250.102.27:25 level=info >>>>>>>>>> msg="Successfully dialed" >>>>>>>>>> ts=2022-07-05T02:04:33.385613189Z caller=main.go:130 >>>>>>>>>> module=smtp_starttls target=142.250.102.27:25 level=info >>>>>>>>>> msg="Processing query response entry" entry_number=0 >>>>>>>>>> ts=2022-07-05T02:04:33.419235886Z caller=main.go:130 >>>>>>>>>> module=smtp_starttls target=142.250.102.27:25 level=debug >>>>>>>>>> msg="Read line" line="220 mx.google.com ESMTP >>>>>>>>>> dn22-20020a17090794d600b006dfc3945326si6666807ejc.152 - gsmtp" >>>>>>>>>> ts=2022-07-05T02:04:33.419280493Z caller=main.go:130 >>>>>>>>>> module=smtp_starttls target=142.250.102.27:25 level=info >>>>>>>>>> msg="Regexp matched" regexp="^220 ([^ ]+) ESMTP (.+)$" line="220 >>>>>>>>>> mx.google.com ESMTP >>>>>>>>>> dn22-20020a17090794d600b006dfc3945326si6666807ejc.152 - gsmtp" >>>>>>>>>> ts=2022-07-05T02:04:33.419310506Z caller=main.go:130 >>>>>>>>>> module=smtp_starttls target=142.250.102.27:25 level=debug >>>>>>>>>> msg="Sending line" line="EHLO prober" >>>>>>>>>> ts=2022-07-05T02:04:33.419356415Z caller=main.go:130 >>>>>>>>>> module=smtp_starttls target=142.250.102.27:25 level=info >>>>>>>>>> msg="Processing query response entry" entry_number=1 >>>>>>>>>> ts=2022-07-05T02:04:33.43519464Z caller=main.go:130 >>>>>>>>>> module=smtp_starttls target=142.250.102.27:25 level=debug >>>>>>>>>> msg="Read line" line="250-mx.google.com at your service, >>>>>>>>>> [130.214.226.41]" >>>>>>>>>> ts=2022-07-05T02:04:33.435229899Z caller=main.go:130 >>>>>>>>>> module=smtp_starttls target=142.250.102.27:25 level=debug >>>>>>>>>> msg="Read line" line="250-SIZE 157286400" >>>>>>>>>> ts=2022-07-05T02:04:33.435242182Z caller=main.go:130 >>>>>>>>>> module=smtp_starttls target=142.250.102.27:25 level=debug >>>>>>>>>> msg="Read line" line=250-8BITMIME >>>>>>>>>> ts=2022-07-05T02:04:33.435254457Z caller=main.go:130 >>>>>>>>>> module=smtp_starttls target=142.250.102.27:25 level=debug >>>>>>>>>> msg="Read line" line=250-STARTTLS >>>>>>>>>> ts=2022-07-05T02:04:33.435270364Z caller=main.go:130 >>>>>>>>>> module=smtp_starttls target=142.250.102.27:25 level=info >>>>>>>>>> msg="Regexp matched" regexp=^250-STARTTLS line=250-STARTTLS >>>>>>>>>> ts=2022-07-05T02:04:33.435285968Z caller=main.go:130 >>>>>>>>>> module=smtp_starttls target=142.250.102.27:25 level=info >>>>>>>>>> msg="Processing query response entry" entry_number=2 >>>>>>>>>> ts=2022-07-05T02:04:33.435310813Z caller=main.go:130 >>>>>>>>>> module=smtp_starttls target=142.250.102.27:25 level=debug >>>>>>>>>> msg="Read line" line=250-ENHANCEDSTATUSCODES >>>>>>>>>> ts=2022-07-05T02:04:33.435323258Z caller=main.go:130 >>>>>>>>>> module=smtp_starttls target=142.250.102.27:25 level=debug >>>>>>>>>> msg="Read line" line=250-PIPELINING >>>>>>>>>> ts=2022-07-05T02:04:33.435337373Z caller=main.go:130 >>>>>>>>>> module=smtp_starttls target=142.250.102.27:25 level=debug >>>>>>>>>> msg="Read line" line=250-CHUNKING >>>>>>>>>> ts=2022-07-05T02:04:33.435373931Z caller=main.go:130 >>>>>>>>>> module=smtp_starttls target=142.250.102.27:25 level=debug >>>>>>>>>> msg="Read line" line="250 SMTPUTF8" >>>>>>>>>> ts=2022-07-05T02:04:33.435392537Z caller=main.go:130 >>>>>>>>>> module=smtp_starttls target=142.250.102.27:25 level=info >>>>>>>>>> msg="Regexp matched" regexp="^250 .*$" line="250 SMTPUTF8" >>>>>>>>>> ts=2022-07-05T02:04:33.435409638Z caller=main.go:130 >>>>>>>>>> module=smtp_starttls target=142.250.102.27:25 level=debug >>>>>>>>>> msg="Sending line" line=STARTTLS >>>>>>>>>> ts=2022-07-05T02:04:33.435451742Z caller=main.go:130 >>>>>>>>>> module=smtp_starttls target=142.250.102.27:25 level=info >>>>>>>>>> msg="Processing query response entry" entry_number=3 >>>>>>>>>> ts=2022-07-05T02:04:33.449015201Z caller=main.go:130 >>>>>>>>>> module=smtp_starttls target=142.250.102.27:25 level=debug >>>>>>>>>> msg="Read line" line="220 2.0.0 Ready to start TLS" >>>>>>>>>> ts=2022-07-05T02:04:33.449039996Z caller=main.go:130 >>>>>>>>>> module=smtp_starttls target=142.250.102.27:25 level=info >>>>>>>>>> msg="Regexp matched" regexp=^220 line="220 2.0.0 Ready to start TLS" >>>>>>>>>> ts=2022-07-05T02:04:33.476697731Z caller=main.go:130 >>>>>>>>>> module=smtp_starttls target=142.250.102.27:25 level=error >>>>>>>>>> msg="TLS Handshake (client) failed" err="x509: cannot validate >>>>>>>>>> certificate >>>>>>>>>> for 142.250.102.27 because it doesn't contain any IP SANs" >>>>>>>>>> ts=2022-07-05T02:04:33.47676603Z caller=main.go:320 >>>>>>>>>> module=smtp_starttls target=142.250.102.27:25 level=error >>>>>>>>>> msg="Probe failed" duration_seconds=0.102953678 >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> Metrics that would have been returned: >>>>>>>>>> # HELP probe_dns_lookup_time_seconds Returns the time taken for >>>>>>>>>> probe dns lookup in seconds >>>>>>>>>> # TYPE probe_dns_lookup_time_seconds gauge >>>>>>>>>> probe_dns_lookup_time_seconds 5.1452e-05 >>>>>>>>>> >>>>>>>>>> # HELP probe_duration_seconds Returns how long the probe took to >>>>>>>>>> complete in seconds >>>>>>>>>> # TYPE probe_duration_seconds gauge >>>>>>>>>> probe_duration_seconds 0.102953678 >>>>>>>>>> >>>>>>>>>> # HELP probe_failed_due_to_regex Indicates if probe failed due to >>>>>>>>>> regex >>>>>>>>>> # TYPE probe_failed_due_to_regex gauge >>>>>>>>>> probe_failed_due_to_regex 0 >>>>>>>>>> # HELP probe_ip_addr_hash Specifies the hash of IP address. It's >>>>>>>>>> useful to detect if the IP address changes. >>>>>>>>>> # TYPE probe_ip_addr_hash gauge >>>>>>>>>> probe_ip_addr_hash 9.60720384e+08 >>>>>>>>>> # HELP probe_ip_protocol Specifies whether probe ip protocol is >>>>>>>>>> IP4 or IP6 >>>>>>>>>> # TYPE probe_ip_protocol gauge >>>>>>>>>> probe_ip_protocol 4 >>>>>>>>>> # HELP probe_success Displays whether or not the probe was a >>>>>>>>>> success >>>>>>>>>> # TYPE probe_success gauge >>>>>>>>>> probe_success 0 >>>>>>>>>> >>>>>>>>>> Module configuration: >>>>>>>>>> prober: tcp >>>>>>>>>> timeout: 5s >>>>>>>>>> http: >>>>>>>>>> ip_protocol_fallback: true >>>>>>>>>> follow_redirects: true >>>>>>>>>> tcp: >>>>>>>>>> ip_protocol_fallback: true >>>>>>>>>> query_response: >>>>>>>>>> - expect: ^220 ([^ ]+) ESMTP (.+)$ >>>>>>>>>> send: EHLO prober >>>>>>>>>> - expect: ^250-STARTTLS >>>>>>>>>> - expect: ^250 .*$ >>>>>>>>>> send: STARTTLS >>>>>>>>>> - expect: ^220 >>>>>>>>>> starttls: true >>>>>>>>>> - send: EHLO prober >>>>>>>>>> - expect: ^250 .*$ >>>>>>>>>> send: QUIT >>>>>>>>>> icmp: >>>>>>>>>> ip_protocol_fallback: true >>>>>>>>>> dns: >>>>>>>>>> ip_protocol_fallback: true >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> On Monday, July 4, 2022 at 8:44:49 PM UTC+8 Brian Candler wrote: >>>>>>>>>> >>>>>>>>>>> And if you try it with Google's mail server? >>>>>>>>>>> *curl -g >>>>>>>>>>> 'localhost:9115/probe?module=smtp_starttls&target=aspmx.l.google.com:25&debug=true'* >>>>>>>>>>> >>>>>>>>>>> On Monday, 4 July 2022 at 12:50:47 UTC+1 [email protected] >>>>>>>>>>> wrote: >>>>>>>>>>> >>>>>>>>>>>> Still received the same error msg: >>>>>>>>>>>> >>>>>>>>>>>> curl -g ' >>>>>>>>>>>> http://0.0.0.0:9115/probe?module=smtp_starttls&target=1.1.1.1:25&debug=true >>>>>>>>>>>> ' >>>>>>>>>>>> Logs for the probe: >>>>>>>>>>>> ts=2022-07-04T11:47:59.071097704Z caller=main.go:320 >>>>>>>>>>>> module=smtp_starttls target= 1.1.1.1 :25 level=info >>>>>>>>>>>> msg="Beginning probe" >>>>>>>>>>>> probe=tcp timeout_seconds=5 >>>>>>>>>>>> ts=2022-07-04T11:47:59.071251831Z caller=tcp.go:40 >>>>>>>>>>>> module=smtp_starttls target=1 1.1.1.1 :25 level=info >>>>>>>>>>>> msg="Resolving target >>>>>>>>>>>> address" ip_protocol=ip6 >>>>>>>>>>>> ts=2022-07-04T11:47:59.071292289Z caller=tcp.go:40 >>>>>>>>>>>> module=smtp_starttls target= 1.1.1.1 :25 level=info >>>>>>>>>>>> msg="Resolving target >>>>>>>>>>>> address" ip_protocol=ip4 >>>>>>>>>>>> ts=2022-07-04T11:47:59.071327224Z caller=tcp.go:40 >>>>>>>>>>>> module=smtp_starttls target= 1.1.1.1 :25 level=info msg="Resolved >>>>>>>>>>>> target >>>>>>>>>>>> address" ip= 1.1.1.1 >>>>>>>>>>>> ts=2022-07-04T11:47:59.071354819Z caller=tcp.go:121 >>>>>>>>>>>> module=smtp_starttls target= 1.1.1.1 :25 level=info msg="Dialing >>>>>>>>>>>> TCP >>>>>>>>>>>> without TLS" >>>>>>>>>>>> ts=2022-07-04T11:47:59.072469713Z caller=main.go:130 >>>>>>>>>>>> module=smtp_starttls target= 1.1.1.1 :25 level=info >>>>>>>>>>>> msg="Successfully >>>>>>>>>>>> dialed" >>>>>>>>>>>> ts=2022-07-04T11:47:59.072508076Z caller=main.go:130 >>>>>>>>>>>> module=smtp_starttls target= 1.1.1.1 :25 level=info >>>>>>>>>>>> msg="Processing query >>>>>>>>>>>> response entry" entry_number=0 >>>>>>>>>>>> ts=2022-07-04T11:47:59.073453639Z caller=main.go:130 >>>>>>>>>>>> module=smtp_starttls target= 1.1.1.1 :25 level=debug msg="Read >>>>>>>>>>>> line" >>>>>>>>>>>> line="220 ESMTP" >>>>>>>>>>>> ts=2022-07-04T11:48:04.072081695Z caller=main.go:130 >>>>>>>>>>>> module=smtp_starttls target= 1.1.1.1 :25 level=error msg="Error >>>>>>>>>>>> reading >>>>>>>>>>>> from connection" err="read tcp4 0.0.0.0:53872->1.1.1.1:25: i/o >>>>>>>>>>>> timeout" >>>>>>>>>>>> ts=2022-07-04T11:48:04.072269643Z caller=main.go:320 >>>>>>>>>>>> module=smtp_starttls target= 1.1.1.1 :25 level=error msg="Probe >>>>>>>>>>>> failed" >>>>>>>>>>>> duration_seconds=5.00106792 >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> Metrics that would have been returned: >>>>>>>>>>>> # HELP probe_dns_lookup_time_seconds Returns the time taken for >>>>>>>>>>>> probe dns lookup in seconds >>>>>>>>>>>> # TYPE probe_dns_lookup_time_seconds gauge >>>>>>>>>>>> probe_dns_lookup_time_seconds 0.000101683 >>>>>>>>>>>> # HELP probe_duration_seconds Returns how long the probe took >>>>>>>>>>>> to complete in seconds >>>>>>>>>>>> # TYPE probe_duration_seconds gauge >>>>>>>>>>>> probe_duration_seconds 5.00106792 >>>>>>>>>>>> # HELP probe_failed_due_to_regex Indicates if probe failed due >>>>>>>>>>>> to regex >>>>>>>>>>>> # TYPE probe_failed_due_to_regex gauge >>>>>>>>>>>> probe_failed_due_to_regex 0 >>>>>>>>>>>> # HELP probe_ip_addr_hash Specifies the hash of IP address. >>>>>>>>>>>> It's useful to detect if the IP address changes. >>>>>>>>>>>> # TYPE probe_ip_addr_hash gauge >>>>>>>>>>>> probe_ip_addr_hash 2.493392506e+09 >>>>>>>>>>>> # HELP probe_ip_protocol Specifies whether probe ip protocol is >>>>>>>>>>>> IP4 or IP6 >>>>>>>>>>>> # TYPE probe_ip_protocol gauge >>>>>>>>>>>> probe_ip_protocol 4 >>>>>>>>>>>> # HELP probe_success Displays whether or not the probe was a >>>>>>>>>>>> success >>>>>>>>>>>> # TYPE probe_success gauge >>>>>>>>>>>> probe_success 0 >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> Module configuration: >>>>>>>>>>>> prober: tcp >>>>>>>>>>>> timeout: 5s >>>>>>>>>>>> http: >>>>>>>>>>>> ip_protocol_fallback: true >>>>>>>>>>>> follow_redirects: true >>>>>>>>>>>> tcp: >>>>>>>>>>>> ip_protocol_fallback: true >>>>>>>>>>>> query_response: >>>>>>>>>>>> - expect: ^220 ([^ ]+) ESMTP (.+)$ >>>>>>>>>>>> send: EHLO prober >>>>>>>>>>>> - expect: ^250-STARTTLS >>>>>>>>>>>> - expect: ^250 .*$ >>>>>>>>>>>> send: STARTTLS >>>>>>>>>>>> - expect: ^220 >>>>>>>>>>>> starttls: true >>>>>>>>>>>> - send: EHLO prober >>>>>>>>>>>> - expect: ^250 .*$ >>>>>>>>>>>> send: QUIT >>>>>>>>>>>> icmp: >>>>>>>>>>>> ip_protocol_fallback: true >>>>>>>>>>>> dns: >>>>>>>>>>>> ip_protocol_fallback: true >>>>>>>>>>>> >>>>>>>>>>>> On Monday, July 4, 2022 at 7:22:08 PM UTC+8 Brian Candler wrote: >>>>>>>>>>>> >>>>>>>>>>>>> Could you first just try copy-pasting the working config I >>>>>>>>>>>>> gave you, and see if it gives a different result to yours? >>>>>>>>>>>>> >>>>>>>>>>>>> I doubt a mail server would take more than 5 seconds to give a >>>>>>>>>>>>> banner, but it's possible. Simply doing "telnet x.x.x.x 25" will >>>>>>>>>>>>> show you >>>>>>>>>>>>> how your mail server behaves. >>>>>>>>>>>>> >>>>>>>>>>>>> On Monday, 4 July 2022 at 11:14:23 UTC+1 [email protected] >>>>>>>>>>>>> wrote: >>>>>>>>>>>>> >>>>>>>>>>>>>> >>>>>>>>>>>>>> Yes in my code the first expect is quoted. >>>>>>>>>>>>>> >>>>>>>>>>>>>> smtp_starttls: >>>>>>>>>>>>>> prober: tcp >>>>>>>>>>>>>> timeout: 5s >>>>>>>>>>>>>> tcp: >>>>>>>>>>>>>> query_response: >>>>>>>>>>>>>> - expect: "^220 ([^ ]+) ESMTP (.+)$" >>>>>>>>>>>>>> - send: "EHLO prober\r" >>>>>>>>>>>>>> - expect: "^250-STARTTLS" >>>>>>>>>>>>>> - send: "STARTTLS\r" >>>>>>>>>>>>>> - expect: "^220" >>>>>>>>>>>>>> - starttls: true >>>>>>>>>>>>>> - send: "EHLO prober\r" >>>>>>>>>>>>>> - expect: "^250-AUTH" >>>>>>>>>>>>>> - send: "QUIT\r" >>>>>>>>>>>>>> >>>>>>>>>>>>>> Probably due to the "timeout" is too less? Should I adjust 5s >>>>>>>>>>>>>> to 15s or 60s? >>>>>>>>>>>>>> On Monday, July 4, 2022 at 5:55:09 PM UTC+8 Brian Candler >>>>>>>>>>>>>> wrote: >>>>>>>>>>>>>> >>>>>>>>>>>>>>> The following works for me with blackbox_exporter 0.21.0 >>>>>>>>>>>>>>> (maybe your first 'expect' regexp needs to be quoted?) >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> modules: >>>>>>>>>>>>>>> smtp_starttls: >>>>>>>>>>>>>>> prober: tcp >>>>>>>>>>>>>>> timeout: 5s >>>>>>>>>>>>>>> tcp: >>>>>>>>>>>>>>> query_response: >>>>>>>>>>>>>>> - expect: "^220 ([^ ]+) ESMTP (.+)$" >>>>>>>>>>>>>>> send: "EHLO prober" >>>>>>>>>>>>>>> - expect: "^250-STARTTLS" >>>>>>>>>>>>>>> - expect: "^250 .*$" >>>>>>>>>>>>>>> send: "STARTTLS" >>>>>>>>>>>>>>> - expect: "^220" >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> starttls: true >>>>>>>>>>>>>>> - send: "EHLO prober" >>>>>>>>>>>>>>> - expect: "^250 .*$" >>>>>>>>>>>>>>> send: "QUIT" >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> Result: >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> # *curl -g >>>>>>>>>>>>>>> 'localhost:9115/probe?module=smtp_starttls&target=aspmx.l.google.com:25&debug=true'* >>>>>>>>>>>>>>> Logs for the probe: >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.764604425Z caller=main.go:351 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=info msg="Beginning probe" probe=tcp timeout_seconds=5 >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.764875668Z caller=tcp.go:40 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=info msg="Resolving target address" target= >>>>>>>>>>>>>>> aspmx.l.google.com ip_protocol=ip6 >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.765954096Z caller=tcp.go:40 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=info msg="Resolved target address" target= >>>>>>>>>>>>>>> aspmx.l.google.com ip=2a00:1450:400c:c07::1b >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.766011111Z caller=tcp.go:121 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=info msg="Dialing TCP without TLS" >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.776962616Z caller=main.go:144 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=info msg="Successfully dialed" >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.77708032Z caller=main.go:144 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=info msg="Processing query response entry" entry_number=0 >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.788075017Z caller=main.go:144 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=debug msg="Read line" line="220 mx.google.com ESMTP >>>>>>>>>>>>>>> u1-20020a056000038100b0021bbcef3a69si36572085wrf.542 - gsmtp" >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.788168204Z caller=main.go:144 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=info msg="Regexp matched" regexp="^220 ([^ ]+) ESMTP >>>>>>>>>>>>>>> (.+)$" line="220 >>>>>>>>>>>>>>> mx.google.com ESMTP >>>>>>>>>>>>>>> u1-20020a056000038100b0021bbcef3a69si36572085wrf.542 - gsmtp" >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.788223914Z caller=main.go:144 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=debug msg="Sending line" line="EHLO prober" >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.788362926Z caller=main.go:144 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=info msg="Processing query response entry" entry_number=1 >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.801755535Z caller=main.go:144 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=debug msg="Read line" line="250-mx.google.com at your >>>>>>>>>>>>>>> service, [xx:xx:xx:xx::33]" >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.801856147Z caller=main.go:144 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=debug msg="Read line" line="250-SIZE 157286400" >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.801889927Z caller=main.go:144 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=debug msg="Read line" line=250-8BITMIME >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.801922312Z caller=main.go:144 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=debug msg="Read line" line=250-STARTTLS >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.801955499Z caller=main.go:144 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=info msg="Regexp matched" regexp=^250-STARTTLS >>>>>>>>>>>>>>> line=250-STARTTLS >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.801989646Z caller=main.go:144 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=info msg="Processing query response entry" entry_number=2 >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.802029066Z caller=main.go:144 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=debug msg="Read line" line=250-ENHANCEDSTATUSCODES >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.802063318Z caller=main.go:144 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=debug msg="Read line" line=250-PIPELINING >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.802094713Z caller=main.go:144 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=debug msg="Read line" line=250-CHUNKING >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.802126198Z caller=main.go:144 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=debug msg="Read line" line="250 SMTPUTF8" >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.802159858Z caller=main.go:144 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=info msg="Regexp matched" regexp="^250 .*$" line="250 >>>>>>>>>>>>>>> SMTPUTF8" >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.802191065Z caller=main.go:144 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=debug msg="Sending line" line=STARTTLS >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.802271697Z caller=main.go:144 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=info msg="Processing query response entry" entry_number=3 >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.812211682Z caller=main.go:144 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=debug msg="Read line" line="220 2.0.0 Ready to start TLS" >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.812279339Z caller=main.go:144 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=info msg="Regexp matched" regexp=^220 line="220 2.0.0 >>>>>>>>>>>>>>> Ready to start >>>>>>>>>>>>>>> TLS" >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.833573801Z caller=main.go:144 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=info msg="TLS Handshake (client) succeeded." >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.833793385Z caller=main.go:144 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=info msg="Processing query response entry" entry_number=4 >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.833838422Z caller=main.go:144 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=debug msg="Sending line" line="EHLO prober" >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.833960852Z caller=main.go:144 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=info msg="Processing query response entry" entry_number=5 >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.84464181Z caller=main.go:144 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=debug msg="Read line" line="250-mx.google.com at your >>>>>>>>>>>>>>> service, [xx:xx:xx:xx::33]" >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.844771942Z caller=main.go:144 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=debug msg="Read line" line="250-SIZE 157286400" >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.844839074Z caller=main.go:144 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=debug msg="Read line" line=250-8BITMIME >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.844910271Z caller=main.go:144 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=debug msg="Read line" line=250-ENHANCEDSTATUSCODES >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.844974538Z caller=main.go:144 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=debug msg="Read line" line=250-PIPELINING >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.845061058Z caller=main.go:144 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=debug msg="Read line" line=250-CHUNKING >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.84512579Z caller=main.go:144 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=debug msg="Read line" line="250 SMTPUTF8" >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.845193403Z caller=main.go:144 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=info msg="Regexp matched" regexp="^250 .*$" line="250 >>>>>>>>>>>>>>> SMTPUTF8" >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.84525809Z caller=main.go:144 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=debug msg="Sending line" line=QUIT >>>>>>>>>>>>>>> ts=2022-07-04T09:50:46.845583228Z caller=main.go:351 >>>>>>>>>>>>>>> module=smtp_starttls target=aspmx.l.google.com:25 >>>>>>>>>>>>>>> level=info msg="Probe succeeded" duration_seconds=0.080912196 >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> Metrics that would have been returned: >>>>>>>>>>>>>>> # HELP probe_dns_lookup_time_seconds Returns the time taken >>>>>>>>>>>>>>> for probe dns lookup in seconds >>>>>>>>>>>>>>> # TYPE probe_dns_lookup_time_seconds gauge >>>>>>>>>>>>>>> probe_dns_lookup_time_seconds 0.001103057 >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> # HELP probe_duration_seconds Returns how long the probe >>>>>>>>>>>>>>> took to complete in seconds >>>>>>>>>>>>>>> # TYPE probe_duration_seconds gauge >>>>>>>>>>>>>>> probe_duration_seconds 0.080912196 >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> # HELP probe_failed_due_to_regex Indicates if probe failed >>>>>>>>>>>>>>> due to regex >>>>>>>>>>>>>>> # TYPE probe_failed_due_to_regex gauge >>>>>>>>>>>>>>> probe_failed_due_to_regex 0 >>>>>>>>>>>>>>> # HELP probe_ip_addr_hash Specifies the hash of IP address. >>>>>>>>>>>>>>> It's useful to detect if the IP address changes. >>>>>>>>>>>>>>> # TYPE probe_ip_addr_hash gauge >>>>>>>>>>>>>>> probe_ip_addr_hash 2.766777767e+09 >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> # HELP probe_ip_protocol Specifies whether probe ip protocol >>>>>>>>>>>>>>> is IP4 or IP6 >>>>>>>>>>>>>>> # TYPE probe_ip_protocol gauge >>>>>>>>>>>>>>> probe_ip_protocol 6 >>>>>>>>>>>>>>> # HELP probe_ssl_earliest_cert_expiry Returns earliest SSL >>>>>>>>>>>>>>> cert expiry date >>>>>>>>>>>>>>> # TYPE probe_ssl_earliest_cert_expiry gauge >>>>>>>>>>>>>>> probe_ssl_earliest_cert_expiry 1.661764429e+09 >>>>>>>>>>>>>>> # HELP probe_ssl_last_chain_expiry_timestamp_seconds Returns >>>>>>>>>>>>>>> last SSL chain expiry in unixtime >>>>>>>>>>>>>>> # TYPE probe_ssl_last_chain_expiry_timestamp_seconds gauge >>>>>>>>>>>>>>> probe_ssl_last_chain_expiry_timestamp_seconds 1.661764429e+09 >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> # HELP probe_success Displays whether or not the probe was a >>>>>>>>>>>>>>> success >>>>>>>>>>>>>>> # TYPE probe_success gauge >>>>>>>>>>>>>>> probe_success 1 >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> Module configuration: >>>>>>>>>>>>>>> prober: tcp >>>>>>>>>>>>>>> timeout: 5s >>>>>>>>>>>>>>> http: >>>>>>>>>>>>>>> ip_protocol_fallback: true >>>>>>>>>>>>>>> follow_redirects: true >>>>>>>>>>>>>>> enable_http2: true >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> tcp: >>>>>>>>>>>>>>> ip_protocol_fallback: true >>>>>>>>>>>>>>> query_response: >>>>>>>>>>>>>>> - expect: ^220 ([^ ]+) ESMTP (.+)$ >>>>>>>>>>>>>>> send: EHLO prober >>>>>>>>>>>>>>> - expect: ^250-STARTTLS >>>>>>>>>>>>>>> - expect: ^250 .*$ >>>>>>>>>>>>>>> send: STARTTLS >>>>>>>>>>>>>>> - expect: ^220 >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> starttls: true >>>>>>>>>>>>>>> - send: EHLO prober >>>>>>>>>>>>>>> - expect: ^250 .*$ >>>>>>>>>>>>>>> send: QUIT >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> icmp: >>>>>>>>>>>>>>> ip_protocol_fallback: true >>>>>>>>>>>>>>> dns: >>>>>>>>>>>>>>> ip_protocol_fallback: true >>>>>>>>>>>>>>> recursion_desired: true >>>>>>>>>>>>>>> >>>>>>>>>>>>>> -- You received this message because you are subscribed to the Google Groups "Prometheus Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/prometheus-users/75b50f06-6779-42a7-9dd6-0da249767aa4n%40googlegroups.com.
