2020/12/04

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Revision as of 01:02, 5 December 2020 by Woozle (talk | contribs) (Created page with "Turning on a couple of debug flags in Dovecot's config now shows this in mail.log: <pre> Dec 5 00:58:54 cloud1 dovecot: pop3-login: Debug: SSL: where=0x10, ret=1: before SSL...")
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Turning on a couple of debug flags in Dovecot's config now shows this in mail.log: 

Dec  5 00:58:54 cloud1 dovecot: pop3-login: Debug: SSL: where=0x10, ret=1: before SSL initialization
Dec  5 00:58:54 cloud1 dovecot: pop3-login: Debug: SSL: where=0x2001, ret=1: before SSL initialization
Dec  5 00:58:54 cloud1 dovecot: pop3-login: Debug: SSL: where=0x2002, ret=-1: before SSL initialization
Dec  5 00:58:54 cloud1 dovecot: pop3-login: Debug: SSL: where=0x2001, ret=1: before SSL initialization
Dec  5 00:58:54 cloud1 dovecot: pop3-login: Debug: SSL alert: where=0x4008, ret=582: fatal protocol version
Dec  5 00:58:54 cloud1 dovecot: pop3-login: Debug: SSL: where=0x2002, ret=-1: error
Dec  5 00:58:54 cloud1 dovecot: pop3-login: Debug: SSL error: SSL_accept() failed: error:14209102:SSL routines:tls_early_post_process_client_hello:unsupported protocol
Dec  5 00:58:54 cloud1 dovecot: pop3-login: Disconnected (no auth attempts in 0 secs): user=<>, rip=107.15.53.219, lip=68.183.140.54, TLS handshaking: SSL_accept() failed: error:14209102:SSL routines:tls_early_post_process_client_hello:unsupported protocol, session=</enhGK21wTFrDzXb>
Dec  5 00:58:54 cloud1 dovecot: pop3-login: Debug: SSL error: SSL_accept() syscall failed: Invalid argument

The flags I changed:

  • auth_verbose = yes - didn't immediately change anything
  • verbose_ssl = yes - the extra info appeared after I made this change
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