RE: SSL3 alert write:fatal:decode error

2023-02-13 Thread Marko ANGELSKI
r Dukhovni Sent: Sunday, February 12, 2023 10:34 PM To: postfix-users@postfix.org Subject: Re: SSL3 alert write:fatal:decode error On Sun, Feb 12, 2023 at 09:23:39PM +, Marko ANGELSKI wrote: > This is the output of the tshark - only one line: > {"ports":["465",&qu

Re: SSL3 alert write:fatal:decode error

2023-02-12 Thread Viktor Dukhovni
On Sun, Feb 12, 2023 at 09:23:39PM +, Marko ANGELSKI wrote: > This is the output of the tshark - only one line: > {"ports":["465","35308"],"len":"7","tls":{"ct":"21","rv":"0x0303","rl":"2"," > ht":null,"hv":null,"sv":null}} As expected, the only TLS packet is the fatal alert from the server (

RE: SSL3 alert write:fatal:decode error

2023-02-12 Thread Marko ANGELSKI
,"hv":null,"sv":null}} Best regards, Marko -Original Message- From: owner-postfix-us...@postfix.org On Behalf Of Viktor Dukhovni Sent: Friday, February 10, 2023 9:31 PM To: postfix-users@postfix.org Subject: Re: SSL3 alert write:fatal:decode error On Fri, Feb 1

Re: SSL3 alert write:fatal:decode error

2023-02-10 Thread Viktor Dukhovni
connect from unknown[xxx.xxx.xxx.xxx] This is the implicit TLS "wrapper mode" TLS service. The client is expected to send first, starting with a TLS handshake. > postfix/smtps/smtpd[4420]: SSL3 alert write:fatal:decode error The server cannot decode the client's initial message. The clien

Re: SSL3 alert write:fatal:decode error

2023-02-10 Thread Wietse Venema
Marko ANGELSKI: > Hi, > > I appreciate the reply, the time is all the same - everything at the same > second. You also deleted the useful information about what a packet was sent by the client and what was sent by the server. Basically, this needs all packets after the TCP handshake. Wi

RE: SSL3 alert write:fatal:decode error

2023-02-10 Thread Marko ANGELSKI
Hi, I appreciate the reply, the time is all the same - everything at the same second. Marko -Original Message- From: Wietse Venema Sent: Friday, February 10, 2023 1:30 PM To: Marko ANGELSKI Cc: postfix-users@postfix.org Subject: Re: SSL3 alert write:fatal:decode error Marko ANGELSKI

Re: SSL3 alert write:fatal:decode error

2023-02-10 Thread Wietse Venema
Marko ANGELSKI: > Hi, all, > > > > I'm having trouble with one client (iot) not able to send emails via > postfix. This is the log: > > postfix/smtps/smtpd[4420]: initializing the server-side TLS engine You deleted the useful time information, and added the useless debug logging. Wi

SSL3 alert write:fatal:decode error

2023-02-10 Thread Marko ANGELSKI
ction from unknown[xxx.xxx.xxx.xxx] postfix/smtps/smtpd[4420]: unknown[xxx.xxx.xxx.xxx]: TLS cipher list "aNULL:-aNULL:HIGH:@STRENGTH" postfix/smtps/smtpd[4420]: SSL_accept:before SSL initialization postfix/smtps/smtpd[4420]: SSL3 alert write:fatal:decode error postfix/s