Re: [squid-users] Status page error

2025-04-11 Thread Alex Rousskov
On 2025-04-11 01:08, Amos Jeffries wrote: On 11/04/25 03:47, Jonathan Lee wrote: Hello fellow Squid users, Does anyone use pfSense squid package that knows a possible solution to this issue ? I have went as far as to remove all custom config and go to complete splice all and it still occurs w

Re: [squid-users] Fwd: Issue with proxy-protocol in http_port on Squid 6.13 via Docker

2025-04-08 Thread Alex Rousskov
On 2025-04-08 08:24, Michael Tint wrote: I'm running into a blocking issue while deploying Squid 6.13 ... My goal is to enable the PROXY protocol support via the following config line: http_port 3128 proxy-protocol The correct http_port option name for enabling PROXY protocol support is no

Re: [squid-users] cacheNumbObject unreasonably small with rock cache

2025-04-02 Thread Alex Rousskov
, Apr 02, 2025 at 11:21:15AM -0400, Alex Rousskov wrote: On 2025-04-02 10:45, Dave Dykstra wrote: We're trying rock cache for the first time, on squid 6.13. The machine is quite large and heavily used, with 10 workers configured, 140G of shared memory cache, and 500G of rock cache configure

Re: [squid-users] cacheNumbObject unreasonably small with rock cache

2025-04-02 Thread Alex Rousskov
On 2025-04-02 10:45, Dave Dykstra wrote: We're trying rock cache for the first time, on squid 6.13. The machine is quite large and heavily used, with 10 workers configured, 140G of shared memory cache, and 500G of rock cache configured. However, the cacheNumObject SNMP counter is staying quite

Re: [squid-users] squid 6.3: client internal ip address PTR DNS query

2025-03-18 Thread Alex Rousskov
On 2025-03-18 06:25, David Touzeau wrote: We note that Squid performs a client DNS PTR query each time client sends query. We have taken care to ensure that * that the log model does not use machine names * No acls concerning workstation hostnames are added. FWIW, the phrase "workstati

Re: [squid-users] assertion failed: Queue.cc:388: "EX"

2025-03-13 Thread Alex Rousskov
 regards,       Ankor. вт, 11 мар. 2025 г. в 17:12, Alex Rousskov mailto:rouss...@measurement-factory.com>>: On 2025-03-10 23:56, Andrey K wrote: >  > Alex: FWIW, related future Squid improvements may include: >  >  * Detecting such shar

Re: [squid-users] assertion failed: Queue.cc:388: "EX"

2025-03-11 Thread Alex Rousskov
        0,23       136 1212704040 /dev/shm/squiduser-cf__readers.shm squid.use 3685356 root    9u   REG               0,23   2093368 1212704041 /dev/shm/squiduser-tls_session_cache.shm Kind regards,      Ankor. пт, 7 мар. 2025 г. в 17:48, Alex Rousskov mailto:rouss.

Re: [squid-users] assertion failed: Queue.cc:388: "EX"

2025-03-07 Thread Alex Rousskov
ments may include: * Detecting such shared memory segments clashes; refusing to start. * Disabling shared memory use when caching is completely disabled. Quality pull requests welcome. Cheers, Alex. чт, 6 мар. 2025 г. в 17:11, Alex Rousskov: On 2025-03-06 08:59, Amos Jeffries wrote:

Re: [squid-users] assertion failed: Queue.cc:388: "EX"

2025-03-06 Thread Alex Rousskov
On 2025-03-06 08:59, Amos Jeffries wrote: On 6/03/25 19:17, Andrey K wrote: Hello, I have a similar configuration: two SMP squids running on the same OEL host. They were built with different configurations: with different installation path prefixes and different names of binary files: squid

Re: [squid-users] assertion failed: Queue.cc:388: "EX"

2025-03-03 Thread Alex Rousskov
On 2025-03-02 15:47, Lubos Uhliarik wrote: 2024/10/16 17:52:44 kid10| Adaptation support is off. 2024/10/16 17:52:44 kid10| assertion failed: Queue.cc:388: "EX" Squid v6 has a few changes that affect SMP startup and shutdown sequences. Since you have ruled out upgrading to a supported versio

Re: [squid-users] Need clarifications on custom log timestamps

2025-02-26 Thread Alex Rousskov
On 2025-02-26 01:58, Amos Jeffries wrote: On 26/02/25 00:33, BENJAMIN DELANNOY wrote:  > Please detail what you mean by "choice" or "decision". For example, do you want to stop the timer when Squid makes its final http_access decision? I mean I want to monitor the latency on what I could mana

Re: [squid-users] Need clarifications on custom log timestamps

2025-02-26 Thread Alex Rousskov
feature-enhance-of-fix-something HTH, Alex. On Wed, Feb 19, 2025 at 5:39 PM Alex Rousskov wrote: On 2025-02-19 06:26, BENJAMIN DELANNOY wrote: > For % next hop and stops when the last response byte is received."  Are we > talking of last request / last response of a

Re: [squid-users] disable/block ipv6 requests

2025-02-26 Thread Alex Rousskov
On 2025-02-26 07:05, Matus UHLAR - fantomas wrote: I'd like squid to avoid considering using ipv6, because even if any ipv6 attempt failed, there still were some being made ... at least I assume so from squid logs: 1740062747.503  0 192.0.2.1 NONE_NONE/503 0 CONNECT ad.turn.com:443 - HIER

Re: [squid-users] Squid 6 with ssl-bump doesn't cache binary content over 100 kb

2025-02-25 Thread Alex Rousskov
On 2025-02-25 09:56, Alex Rousskov wrote: On 2025-02-25 09:47, Thomas PALFRAY wrote: we tried version 6.13 as recommended, but the behavior is the same. Thank you for testing v6.13. That test eliminates many suspects. What additional information would you need to understand the the problem

Re: [squid-users] Squid 6 with ssl-bump doesn't cache binary content over 100 kb

2025-02-25 Thread Alex Rousskov
On 2025-02-25 09:47, Thomas PALFRAY wrote: we tried version 6.13 as recommended, but the behavior is the same. Thank you for testing v6.13. That test eliminates many suspects. What additional information would you need to understand the the problem For the next step in triage, I can offer

Re: [squid-users] Need clarifications on custom log timestamps

2025-02-19 Thread Alex Rousskov
traffic with SSL Bump) Based on this, I would be able to check if a squid server is taking too much time making a decision. Is this something feasible? Please detail what you mean by "choice" or "decision". For example, do you want to stop the timer when Squid makes its fin

Re: [squid-users] Need clarifications on custom log timestamps

2025-02-17 Thread Alex Rousskov
On 2025-02-17 10:02, BENJAMIN DELANNOY wrote: I try to figure out what is exactly measured with the I don't get what are the difference between them, what is the difference between "peer response time" & "time spent forwarding to origin servers", Have you seen %updated in August 2024, and sq

Re: [squid-dev] Contributing to Squid and Open-Source Forward Proxy in Kubernetes

2025-02-13 Thread Alex Rousskov
On 2025-02-12 17:22, Zile Rehman wrote: I’m Zile Rehman, a Platform Engineer at Orca Security. Recently, I worked on a forward proxy solution in Kubernetes and found that there are very few resources available in this area. My goal is to create an open-source repository with a container image

Re: [squid-users] To Do List (smart pointer examples)

2025-02-11 Thread Alex Rousskov
On 2025-02-07 18:41, Jonathan Lee wrote: Can someone show me an example of doing one of these requests on the to do list? Please direct future development questions and followups to squid-dev mailing list! This squid-users mailing list is meant for Squid operators or administrators rather th

Re: [squid-users] test ICAP server

2025-02-07 Thread Alex Rousskov
On 2025-02-07 05:15, Robin Wood wrote: I want to write my own ICAP server FWIW, nearly all attempts to quickly write a production-quality ICAP server (that I have seen) have failed. The protocol is much more complex than it seems. In most cases, folks looking for a free ICAP server should b

Re: [squid-users] bypassing the domains

2025-02-05 Thread Alex Rousskov
On 2025-02-05 05:54, udhayakumar wrote: if i put whitelist_regex in below config which domains i was try browse in browser it's says*SSL_ERROR_RX_RECORD_TOO_LONG* IIRC, that usually happens when Squid responds with a plain text error page while the browser expects TLS. You may be able to conf

Re: [squid-users] Squid 6 with ssl-bump doesn't cache binary content over 100 kb

2025-02-03 Thread Alex Rousskov
On 2025-02-03 09:07, Thomas PALFRAY wrote: My team and I are working on setting up *a squid with ssl-bump* to cache binary content (jpeg, png, pdf and json) on a remote site over HTTPS. The size of the binary content can vary from a few dozen KB to several hundred MB. We had a working HTTP

Re: [squid-dev] Confirmation of Feature Support of HTTP/2

2025-01-23 Thread Alex Rousskov
below) for details. Thank you, Alex. *From:* Alex Rousskov *Sent:* Thursday, January 23, 2025 9:28:32 AM *To:* squid-dev@lists.squid-cache.org *Cc:* VEDIA Christian *Subject:* Re: [squid-dev] Confirmation of Feature Support of HTTP/2 On 2025-01-22 13: 48, VEDIA Christian wrote: > Do

Re: [squid-dev] Confirmation of Feature Support of HTTP/2

2025-01-23 Thread Alex Rousskov
On 2025-01-22 13:48, VEDIA Christian wrote: Does the latest version support either [HTTP/2] or HTTP/3? Hi Christian, No, Squid v6 does not support HTTP/2+. are there plans to have this supported in the next release? No, and there is not enough time to change that because the next rel

Re: [squid-users] squid_icap to icap to system_2

2025-01-21 Thread Alex Rousskov
On 2025-01-21 05:41, Илья Щелоков wrote: I have a squid proxy, it sends data to the system via icap. I need to install another squid between the proxy and the system so that it receives icap from the proxy Squid is an ICAP client: it sends ICAP requests and received ICAP responses. Squid is

Re: [squid-users] Squid workers on non cache dir rock system

2025-01-13 Thread Alex Rousskov
On 2025-01-13 13:29, Jonathan Lee wrote: Is there anyway to use more workers on a non rock system, without disabling the cache? I can use them when cache is disabled. Without it I get assertion failed: controller:cc:930: EX" I will try to clarify in hope to reduce misunderstanding, especially

Re: [squid-dev] Unable to find the repos or Squid 7 in new Squid cache page

2025-01-12 Thread Alex Rousskov
On 2025-01-10 17:53, Francesco Chemolli wrote: actually, I found it. sorry for the churn Just to clarify: Francesco meant to respond to another email (on another email thread unrelated to this squid-dev thread). -- Alex. On Fri, Jan 10, 2025 at 10:43 PM Alex Rousskov wrote: On 2025

Re: [squid-dev] Unable to find the repos or Squid 7 in new Squid cache page

2025-01-10 Thread Alex Rousskov
On 2025-01-10 15:41, infant vinay wrote: I am unable to find where to download the Squid 7.x source code or git repo used for it in the new Squid web page layout that was deployed this year. Please provide instructions on how to go about accessing it. Squid v7 does not exist (yet): We have

Re: [squid-users] Resource management, backend application

2025-01-07 Thread Alex Rousskov
On 2025-01-07 04:49, Tony Albers wrote: Is it possible in squid to ensure that a badly behaving backend application doesn't eat up all squid resources? Yes, especially if you know about that application behavior in advance. You can configure Squid to start denying requests for the problematic

Re: [squid-users] File descriptor usage for squid statistics

2025-01-06 Thread Alex Rousskov
On 2025-01-06 00:37, Jonathan Lee wrote: Can you please help I have noticed for a long time under information page that Store Disk Files Open is a lot of the times showing 0 Is this of concern? If your Squid is not configured to use a cache_dir, then seeing zero Store Disk files open is OK.

Re: [squid-dev] Proposal: clean our git tags up

2025-01-01 Thread Alex Rousskov
On 2025-01-01 12:03, Amos Jeffries wrote: Also, To prevent regressions in future we will need to check the Anubis repository is not pushing more "M-staged-PR" tags on each "auto" push. Anubis completely stopped using git tags in 2019. Alex. ___ squ

Re: [squid-users] Optimization

2024-12-30 Thread Alex Rousskov
On 2024-12-30 11:55, Jonathan Lee wrote: what is faster or better for performance? The parsed ssl_bump lists or the singular list? To remove very distracting noise, I am posting an abridged version of your "before" and "after" configurations: # before ssl_bump splice A ssl_bump s

Re: [squid-dev] Proposal: clean our git tags up

2024-12-30 Thread Alex Rousskov
On 2024-12-30 10:02, Francesco Chemolli wrote: There are a lot of tags attached to Squid's git repository that do not seem to be relevant; I'm proposing to remove them, unless there's a reason not to. Great minds think alike! I was going to propose that as well, but did not want to interrupt

Re: [squid-dev] Convert store_client into AsyncJob

2024-12-27 Thread Alex Rousskov
On 2024-12-27 01:07, Shailesh Vashishth wrote: I am trying to do the following ToDo in store_client.cc. // TODO: Convert store_client into AsyncJob; make this call asynchronous I do not recommend working on that to-do: 1. It is too complex, requiring good understanding of AsyncJob design tha

Re: [squid-users] SQUID problem with unavailability of Google services

2024-12-24 Thread Alex Rousskov
ical application of the techniques used in the topics you have provided. I would be grateful for practice specifically in my case for a better understanding of the work. пн, 23 дек. 2024 г. в 00:42, Alex Rousskov mailto:rouss...@measurement-factory.com>>: O

Re: [squid-users] Squid-internal-mgr/forward help

2024-12-23 Thread Alex Rousskov
On 2024-12-23 00:27, Eternal Dreamer wrote: I need some help with my squid-6.7 installation. I need to see forwarding status codes for my monitoring system, but squidclient -h 3128 mgr:forward is empty. Another stats from mgr:* works fine. You are suffering from a Squid bug: In many cases, Sq

Re: [squid-users] SQUID problem with unavailability of Google services

2024-12-22 Thread Alex Rousskov
2023-April/025784.html HTH, Alex. вс, 22 дек. 2024 г. в 22:47, Alex Rousskov <mailto:rouss...@measurement-factory.com>>: On 2024-12-22 08:13, A. Pechenin wrote: > The reason and solution were not simple and obvious at first glance. > I have two providers access

Re: [squid-users] SQUID problem with unavailability of Google services

2024-12-22 Thread Alex Rousskov
On 2024-12-22 08:13, A. Pechenin wrote: The reason and solution were not simple and obvious at first glance. I have two providers accessing the gateway, the main and backup channels, and automatic switching is configured when the connection on the main channel is lost. To check, I switched the

Re: [squid-users] SQUID problem with unavailability of Google services

2024-12-21 Thread Alex Rousskov
On 2024-12-21 12:26, A. Pechenin wrote: This week, when connecting users through a proxy server, some Google services became inaccessible, such as Calendar, Translator, user profile. Do you use any ssl_bump directives? You have mentioned a test with "default configuration file" below. That con

Re: [squid-users] Proxy-Protocol inside cache_peer

2024-12-18 Thread Alex Rousskov
On 2024-12-08 09:26, David Touzeau wrote: Is there any way or development plan to include “proxy-protocol” in cache_peer? I am not aware of any specific current development plans, but there is interest in adding that feature, and I expect it to be added eventually. Alex. Squid is able to

Re: [squid-users] squid-6.10-150600.3.6.1.src.rpm and ident

2024-12-15 Thread Alex Rousskov
On 2024-12-15 13:32, Hering, Uwe wrote: We are using squid (version see above) on SLES15, rebuild with “--enable-ident-lookups". This works great up to SP5, but is broken with this squid version above belonging to SP6. 2024/12/12 10:16:06 kid1| FATAL: assertion failed: FilledChecklist.cc:2

Re: [squid-users] memory_pools_limit question

2024-12-02 Thread Alex Rousskov
On 2024-12-02 03:56, Masanari Iida wrote: Hi, I would like to understand memory_pools and memory_pools_limits setting. In case memory_pools_limit is set to none (as default), all squid process memory that can be seen by ps(1) is being used by squid? Yes, for some definition of "being used". So

Re: [squid-users] ACL dstdomain and use of -n

2024-11-26 Thread Alex Rousskov
On 2024-11-26 00:53, Jonathan Lee wrote: -n Disable lookups and address type conversions. If lookup or conversion is required because the parameter type (IP or domain name) does not match the message address type (domain name or IP), then the ACL would immediately declare a mism

Re: [squid-users] messages when "squid -k rotate" is run

2024-11-22 Thread Alex Rousskov
stdout. I can imply redirect the "squid -k rotate" stderr to /dev/null but I would like to avoid it when possible - if any error happens, I't like to know about that. On 21.11.24 16:16, Alex Rousskov wrote: If you are OK with not seeing these particular messages in cache.log

Re: [squid-users] Can I force certain destinations to ipv4?

2024-11-21 Thread Alex Rousskov
On 2024-11-21 08:44, Ralf Hildebrandt wrote: Can I force certain destinations to be reached using ipv4 only? Not reliably. IMHO, it is a missing feature (or two). Various tricks exist, but none of them work well in general, for various reasons. See other responses on this thread for some spe

Re: [squid-users] messages when "squid -k rotate" is run

2024-11-21 Thread Alex Rousskov
On 2024-11-21 07:29, Matus UHLAR - fantomas wrote: I run squid 6 (currently 6.10) on some debian hosts. when rotating logs in the night, I get mail about cron output: 2024/11/21 00:00:41| Processing Configuration File: /etc/squid/squid.conf (depth 0) 2024/11/21 00:00:41| Processing Configurati

Re: [squid-users] squid crash: ERROR: system call failure while accepting a TLS connection

2024-11-18 Thread Alex Rousskov
On 2024-11-18 09:59, Martin A. Brooks wrote: I am running 3 squid instances behind a load balancer.  It was running fine for a couple of weeks but but there were suddenly tens of thousands of this sort of message in the log: squid[507015]: ERROR: system call failure while accepting a TLS con

Re: [squid-users] assertion failed: Controller.cc:930: "EX"

2024-11-17 Thread Alex Rousskov
On 2024-11-17 18:41, Gaetano wrote: We are running three squid proxy 5.5, Please note that Squid Project does not support Squid v5. I recommend upgrading to Squid v6+ (regardless of what your Linux distribution currently ships). on three different VMs, same number of CPUs (4), same memor

Re: [squid-users] [SQUID] Some Web Page never complete download

2024-11-14 Thread Alex Rousskov
On 2024-11-14 13:15, slagaute...@hotmail.com wrote: Recently I have updated my version from version 6.0 (early age) to the latest version 6.12. I have some web sites like www.google.com for which my browser never complete the download of the page. There is a pending request to URIs like https

Re: [squid-users] v6.12 build error from release tarball

2024-11-08 Thread Alex Rousskov
ents for my patch within Yocto. I am very glad to hear that you are making progress. Good luck, Alex. -----Original Message- From: Alex Rousskov Sent: Friday, November 8, 2024 5:27 To: squid-users@lists.squid-cache.org Cc: Marko, Peter (FT D EU SK BFS1) Subject: Re: [squid-users] v6.12 bu

Re: [squid-users] v6.12 build error from release tarball

2024-11-07 Thread Alex Rousskov
On 2024-11-07 16:48, Marko, Peter wrote: Commit [1] removed directory libltdl/m4 from release tarball by merging all those files into libltdl/aclocal.m4, Clarification: While commit b4addc22 itself did not remove any directories or merged any files, bootstrapping Squid after that commit may

Re: [squid-users] Redmine Bug #14390: Squid: SECURITY ALERT: Host header forgery detected

2024-10-31 Thread Alex Rousskov
On 2024-10-30 20:46, Jonathan Lee wrote: Hello, thank you for the update Francesso, there is also some chatter about bugs within the Netgate community. Is this also related to the fixes in V7 (please see Redmine attached)? AFAICT, Redmine Bug #14390 is pretty much unrelated to "Joshua 55" vul

Re: [squid-dev] Cache-Groups RFC draft

2024-10-30 Thread Alex Rousskov
On 2024-10-30 08:38, Amos Jeffries wrote: On 31/10/24 00:09, Francesco Chemolli wrote: Hi all,    do we have any opinion on https://www.ietf.org/archive/id/draft-ietf-httpbis-cache-groups-02.html ? This is a further extension of Mark's variant Key header extensions to HTTP. When I proposed

Re: [squid-dev] Cache-Groups RFC draft

2024-10-30 Thread Alex Rousskov
On 2024-10-30 07:09, Francesco Chemolli wrote: do we have any opinion on https://www.ietf.org/archive/id/draft-ietf-httpbis-cache-groups-02.html ? "The Cache-Group-Invalidation header field MUST be ignored on responses to requests that have a safe method (e.g., GET [and HEAD])" AFAICT, the

Re: [squid-users] proxy_auth_regex

2024-10-28 Thread Alex Rousskov
on where the issue is. Authentication seems to be working, but it's like this term either doesn't pass the credentials along, or it's expecting some other response. Is there anyone that could help me figure out what the issue is with this? Thank you, Josh -Original Message

Re: [squid-users] FW: proxy_auth_regex

2024-10-28 Thread Alex Rousskov
desired name; }} Yes, I have already responded to email with that information. Please continue that thread: https://lists.squid-cache.org/pipermail/squid-users/2024-October/027224.html Alex. -Original Message- From: Alex Rousskov Sent: Thursday, October 24, 2024 4:46 PM To: Piana

Re: [squid-users] Help regarding access controls for TLS connections

2024-10-28 Thread Alex Rousskov
data in the DNS request itself. - DNS data egress attacks are potent because they exploit a foundational internet protocol for covert data transmission. Solutions demand vigilant DNS traffic analysis and strict egress filtering policies. --- On Mon, Oct 28, 2024 at 12:14 AM Alex Rousskov wrote:

Re: [squid-dev] Remove MemObject::Io

2024-10-28 Thread Alex Rousskov
those pre-merge self tests (Submission Checklist). I will do the steps given in the Submission Checklist and submit a PR in a day or two. Thank you for helping me with getting started and joining the project. Reg

Re: [squid-dev] Introducing myself to Squid Devs

2024-10-27 Thread Alex Rousskov
on Checklist). I will do the steps given in the Submission Checklist and submit a PR in a day or two. Thank you for helping me with getting started and joining the project. Regards Shailesh On Fri, Oct 4, 2024 at 6:53 PM Alex Rousskov

Re: [squid-dev] Introducing myself to Squid Devs

2024-10-27 Thread Alex Rousskov
elping me with getting started and joining the project. Regards Shailesh On Fri, Oct 4, 2024 at 6:53 PM Alex Rousskov mailto:rouss...@measurement-factory.com>> wrote: On 2024-10-03 15:49, Shailesh Vashishth wrote: >

Re: [squid-users] Help regarding access controls for TLS connections

2024-10-27 Thread Alex Rousskov
On 2024-10-25 18:18, Erik Schulz wrote: I would like to use squid as an egress proxy, to prevent unauthorized egress. Let's say that the only allowed egress is 'example.com'. I can define acl along the lines of: ``` acl allowed_domains ssl::server_name .example.com http_access allow allowed_dom

Re: [squid-users] Square Bracket in LogFormat

2024-10-25 Thread Alex Rousskov
On 2024-10-25 14:28, GM Test wrote: I'm not sure if this is the right place to ask this question Yes, it is. but in the *logformat *command, I cannot seem to work out what the square bracket is for? When used at the beginning of a logformat %code name, a single square bracket character s

Re: [squid-users] proxy_auth_regex

2024-10-25 Thread Alex Rousskov
not be specific to any HTTP(S) transaction that Squid is handling. If you can test your authentication helper in isolation by starting it from the command line and feeding it helper commands, do that. Alex. -Original Message- From: Alex Rousskov Sent: Thursday, October 24, 2024 4:46

Re: [squid-users] proxy_auth_regex

2024-10-24 Thread Alex Rousskov
On 2024-10-24 16:23, Piana, Josh wrote: From what I can tell, squid does not receive a good username. When I check the access logs, I receive something like this: 24/Oct/2024:16:01:08 -0400.334 10.46.49.190 TCP_DENIED/407 7821 CONNECT www.google.com:443 - \ HIER_NONE/- text/html ERR_CACHE_A

Re: [squid-users] proxy_auth_regex

2024-10-24 Thread Alex Rousskov
On 2024-10-24 15:53, Piana, Josh wrote: Hey Squid users, Running into an issue I’m trying to figure out. We have a few acl directives using “proxy_auth_regex –i” and when I have these active, it blocks any proxy connection with an HTTP 407 error, according to the logs. Here’s an example: #

Re: [squid-users] Squid 6.10 SSL-Bump Woes

2024-10-11 Thread Alex Rousskov
: refresh_pattern .               15      20%     1800  override-expire ignore-no-cache ignore-no-store ignore-private And I always get TCP_MISS.  Any other thoughts? Thanks! On Thu, Oct 10, 2024 at 12:35 PM Alex Rousskov <mailto:rouss...@measurement-factory.com>> wrote: On 2024-10

Re: [squid-users] Squid 6.10 SSL-Bump Woes

2024-10-10 Thread Alex Rousskov
On 2024-10-09 15:40, Bryan Seitz wrote: > SSL-Bump Woes AFAICT, the problem you are trying to solve is not caused by SslBump. > reply_header_access Cache-Control deny all > reply_header_add Cache-Control "public, max-age=1800" The above directives are applied to responses that Squid sends to

Re: [squid-dev] Introducing myself to Squid Devs

2024-10-04 Thread Alex Rousskov
On 2024-10-03 15:49, Shailesh Vashishth wrote: I would like to contribute to the Squid Project and I have picked one small task out of the ToDos  for myself. Hello Shailesh, Welcome to the Project and good luck with your first task! If you need any help, please do not hesitate to ask on

Re: [squid-users] Questions about Squid configuration

2024-10-03 Thread Alex Rousskov
On 2024-09-25 01:57, にば wrote: We then added the following settings that were in the existing Squid proxy # SSL_BUMP acl allowed_https_sites ssl::server_name "/etc/squid/whitelist" acl allowed_https_sites ssl::server_name "/etc/squid/whitelist_transparent" acl allowed_https_sites ssl::server_na

Re: [squid-users] Squid + c-icap + SquidClamav + ClamAV

2024-10-03 Thread Alex Rousskov
On 2024-10-03 11:10, Andrea Venturoli wrote: > Out of 10 installations, ... on one it's very frequent. > Any idea on what to check or try? ... Any way to get better logs? Since the problem is frequent on that one host, I recommend privately sharing[1] a pointer to compressed debugging cache.lo

Re: [squid-users] Squid + ecap + clamav

2024-10-03 Thread Alex Rousskov
On 2024-10-03 10:12, Andrea Venturoli wrote: On 10/2/24 23:30, Alex Rousskov wrote: Disadvantages of using eCAP+ClamAV adapter include being dependent on a relatively old libecap and ClamAV eCAP adapter implementation. I got it all wrong then... I thought ICAP was older and eCAP was meant to

Re: [squid-users] Squid + ecap + clamav

2024-10-02 Thread Alex Rousskov
On 2024-09-29 12:40, Andrea Venturoli wrote: I've been using Squid + C-icap + SquidClamAV + ClamAV for a long time in order to filter web content. However this has lately been troublesome, leading to occasional hard-to-diagnose temporary failures ("ICAP protocol error"). So I'm pondering mov

Re: [squid-users] Could we have variables in squid conf file ?

2024-10-01 Thread Alex Rousskov
On 2024-10-01 11:49, Dr.X wrote: Just wondering if I can have in squid.conf like : export FRONTEND='1.2.3.4' http_port {FRONTEND}:3128 But the way above did not work and seems not recognized by squid . My question is , Is it possible that I identify a variable and give it a value like string

Re: [squid-users] Issues with Squid Listening on 254 IP Addresses

2024-09-30 Thread Alex Rousskov
On 2024-09-30 09:08, Alexis DAVEAU wrote: wget http://www.squid-cache.org/Versions/v5/squid-5.2.tar.gz tar -xzf squid-5.2.tar.gz cd squid-5.2 export CXXFLAGS="-DMAXTCPLISTENPORTS=254" ./configure --prefix=/usr --localstatedir=/var --libexecdir=/usr/lib/squid --datadir=/usr/share/squid \ --sysc

Re: [squid-dev] Validate Config before reload

2024-09-30 Thread Alex Rousskov
On 2024-09-23 04:21, Rick Rackow wrote: The question is, has it been considered to validate the config file before performing the actual reload Yes, it has been considered. The progress towards that "reject malformed configurations during reconfiguration" ideal is painfully slow (primarily f

Re: [squid-users] Squid appears to be ignoring url_rewrite_program

2024-09-17 Thread Alex Rousskov
On 2024-09-17 10:43, Martin A. Brooks wrote: On 2024-09-17 15:13, Alex Rousskov wrote: What makes you think that CONNECT requests are not sent to the rewriter? In my quick-and-dirty tests, Squid does send CONNECT request targets to the URL rewriter program and honors rewriter's rewrit

Re: [squid-users] Squid appears to be ignoring url_rewrite_program

2024-09-17 Thread Alex Rousskov
On 2024-09-17 09:34, Martin A. Brooks wrote: Proxied HTTPS requests use CONNECT and, for whatever reason, this appears to bypass the url rewriter. What makes you think that CONNECT requests are not sent to the rewriter? In my quick-and-dirty tests, Squid does send CONNECT request targets to

Re: [squid-users] Looking for a solution to identify "unauthenticated" squid proxy users.

2024-09-17 Thread Alex Rousskov
tate all their rules. (*) Similar breadcrumbs will be collected for other directives as well. Alex. - Mail original - De: "Alex Rousskov" À: squid-users@lists.squid-cache.org Envoyé: Lundi 2 Septembre 2024 22:38:44 Objet: Re: [squid-users] Looking for a solution to identify

Re: [squid-users] Unable to access internal resources via hostname

2024-09-16 Thread Alex Rousskov
he explicit rules matched. That implicit default is "ever-changing" because it depends on the last explicit http_access rule action (which, naturally, may change as folks update their rules). FWIW, the following FAQ entry covers the same concepts: https://wiki.squid-cache.org/SquidFaq/Sq

Re: [squid-users] Unable to access internal resources via hostname

2024-09-16 Thread Alex Rousskov
On 2024-09-16 09:58, Piana, Josh wrote: I removed all of the special, custom ACL's and we still don't have internal to internal browsing via hostname. FWIW, these first two http_access rules make all subsequent http_access rules irrelevant/unused because these two rules match all traffic:

Re: [squid-users] Problem with 'delay_access' using acl external

2024-09-10 Thread Alex Rousskov
On 2024-09-10 13:54, Carlos André wrote: My "delay_class" simple DON'T with if I use a acl external (helper - LDAP or winbind [ext_wbinfo_group_acl], same problem), delay_class work ok using a acl proxy_auth or acl src but nothing with a external. I believe your configuration is suffering

Re: [squid-users] Questions about Squid configuration

2024-09-10 Thread Alex Rousskov
to confirm that all valid requests to banned sites are denied, all other valid requests are allowed, and all invalid requests are rejected. If necessary, ask questions, file bug reports, patch Squid, and/or adjust your configuration to pass this test. HTH, Alex. 2024年8月8日(木) 21:33 Alex Rousskov

Re: [squid-users] squid5.5 restart failure due to domain list duplication

2024-09-10 Thread Alex Rousskov
On 2024-09-05 01:52, YAMAGUCHI NOZOMI (JIT ICC) wrote: If there were duplicate domains in the list of domains used, restarting the squid would cause the process to stop. Below is the error statement. ERROR: 'a.example.com' is a subdomain of 'example.com FATAL: /etc/squid/squid.conf Hi Nichol

Re: [squid-users] Unable to access internal resources via hostname

2024-09-04 Thread Alex Rousskov
ork. This whole config that we have has been pieced together and I'd like to get it to the way it's supposed to be. What do you recommend? I can send the whole config again, exactly as we have it now, and see what we can fix/remove/replace. Appreicate you helping, Josh -Original Messag

Re: [squid-users] Unable to access internal resources via hostname

2024-09-03 Thread Alex Rousskov
- HIER_NONE/- text/html 29/Aug/2024:10:27:17 -0400.514 10.46.49.190 NONE_NONE/500 0 CONNECT hexcelssp:443 JPIANA@AD..COM HIER_NONE/- - I'm not sure the debugging and extra log details were added correctly, because these look the same. Thanks, Josh -Original Message- From: squid

Re: [squid-users] negotiate_kerberos_auth not working anymore

2024-09-03 Thread Alex Rousskov
On 2024-08-30 08:35, Michael Egert wrote: I have a little problem with this helper, it worked fine for a while and then suddely stopped working. It may help others if you detail "stopped working" based on a test case involving Squid. AFAICT, your email contains an attempt to manually feed th

Re: [squid-users] Squid traffic paths

2024-09-02 Thread Alex Rousskov
ant to force traffic other than HTTP and FTP through Squid. In other words, Squid is not a "universal" proxy that can proxy everything. HTH, Alex. On 2024-08-28 09:14, Alex Rousskov wrote: On 2024-08-28 08:52, Scott Bates wrote: Alex: What protocol do those external services use in

Re: [squid-users] Looking for a solution to identify "unauthenticated" squid proxy users.

2024-09-02 Thread Alex Rousskov
On 2024-09-02 15:00, Xavier Lecluse wrote: I am facing a problem with my actual access.log configuration. I use this logformat for the access.log : "logformat timereadable %tl %un %Ss %>Hs %>a:%>p %st %rm %ru %mt %. But I have some users which are not authentified (because of incompatiblity with

Re: [squid-users] Unable to access internal resources via hostname

2024-08-30 Thread Alex Rousskov
directory. 3. Start Squid. If the problem persists, share the command you use to start Squid and any console output you get from that command. In general, avoid using "squid -k reconfigure" when possible, especially when using Squid v5 and earlier. HTH, Alex. -Original Message

Re: [squid-users] Questions about Squid configuration

2024-08-30 Thread Alex Rousskov
requests are allowed, and all invalid requests are rejected. If necessary, ask questions, file bug reports, patch Squid, and/or adjust your configuration to pass this test. HTH, Alex. 2024年8月8日(木) 21:33 Alex Rousskov : On 2024-08-06 20:59, にば wrote: When using Squid transparently, is it po

Re: [squid-users] Unable to access internal resources via hostname

2024-08-29 Thread Alex Rousskov
Squid before. And you will learn a few new tricks... I'll update those logs and wait for your response to this before sending them or sending you a personal drop link. A link usually works best. Thank you, Alex. -Original Message- From: squid-users On Behalf Of Alex Rousskov S

Re: [squid-users] Unable to access internal resources via hostname

2024-08-29 Thread Alex Rousskov
HIER_NONE/- text/html 29/Aug/2024:10:27:17 -0400.514 10.46.49.190 NONE_NONE/500 0 CONNECT hexcelssp:443 JPIANA@AD..COM HIER_NONE/- - I'm not sure the debugging and extra log details were added correctly, because these look the same. Thanks, Josh -Original Message- From: squi

Re: [squid-users] Unable to access internal resources via hostname

2024-08-28 Thread Alex Rousskov
all. I apologize for the wall of text, looking forward to what you guys have to say about this. Thanks, Josh -Original Message- From: squid-users On Behalf Of Alex Rousskov Sent: Wednesday, August 28, 2024 2:31 PM To: squid-users@lists.squid-cache.org Subject: Re: [squid-user

Re: [squid-users] Unable to access internal resources via hostname

2024-08-28 Thread Alex Rousskov
On 2024-08-28 14:18, Alex Rousskov wrote: On 2024-08-28 11:24, Piana, Josh wrote: Here's the log and (I think) relevant ACL's? According to your access.log, Squid denies problematic CONNECT requests with HTTP 407 errors responses. Usually, that means those requests match an &q

Re: [squid-users] Unable to access internal resources via hostname

2024-08-28 Thread Alex Rousskov
On 2024-08-28 11:24, Piana, Josh wrote: Here's the log and (I think) relevant ACL's? According to your access.log, Squid denies problematic CONNECT requests with HTTP 407 errors responses. Usually, that means those requests match an "http_access deny" rule. Clearly, you expect an "allow" out

Re: [squid-users] Squid traffic paths

2024-08-28 Thread Alex Rousskov
On 2024-08-28 08:52, Scott Bates wrote: Alex: What protocol do those external services use in problematic use cases?>> Does Squid see the corresponding requests from VMs? Squid can only proxy HTTP and FTP... http and https only Does Squid log the corresponding problematic transactions to i

Re: [squid-users] Squid traffic paths

2024-08-27 Thread Alex Rousskov
On 2024-08-27 14:07, Scott Bates wrote: My lab is setup as such: Hypervisor host Squid VM Test VM 1 (windows) Test VM 2 (windows) Test VM 3 (windows) I have my proxies setup in the squid config. On the test vms I have the windows proxy settings pointing to the squid IP and port. If I check the

Re: [squid-users] Squid Vulnerabilities

2024-08-26 Thread Alex Rousskov
On 2024-08-26 02:23, Alexandru Mateescu wrote: In October 2023 the free vulnerabilities scanner of Greenbone (Openvas) has started reporting high vulnerabilities on squid for all versions. When I questioned them about it they indicated https://megamansec.github.io/Squid-Security-Audit/ as the

Re: [squid-users] Unable to access local addresses

2024-08-23 Thread Alex Rousskov
On 2024-08-23 12:07, Piana, Josh wrote: The problem we’re having now is that we’re unable to access local resources on different subnets. For instance, our “main” networks are 10.46.x.x and 10.47.x.x, but the proxy is blocking us when we try to get to 172.26.x.x as well as 10.96.x.x. Blocki

Re: [squid-users] Squid 6.10 on Fedora 40 cannot intercept and bump SSL Traffic

2024-08-23 Thread Alex Rousskov
On 2024-08-23 06:29, ngtech1...@gmail.com wrote: OK so the issue was that: The http_port was used for ssl bump with intercept I would not phrase it that way because "bump" is a red herring here. I would instead say that the issue was that "http_port was used for intercepted TLS traffic" or "

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