IMAP over SSL (only) handshake hangs

[Sebastian Hagedorn]

Is it possible you have reached the maxchild limit?

--On 13. Januar 2015 11:22:44 +0100 Niels Dettenbach <nd at syndicat.com> 
wrote:

> today i've runned into a very suspicious problem never seen before:
>
> While any other IMAP and POP3 ports with and without SSL / TLS are
> working -  connects to imaps (993) just hangs, there is nothing in the
> logs and a
>
> 	openssl s_client -connect mail.myhost.abc:993
>
> just brings out:
>
> 	CONNECTED(00000003)
>
> what times out after minutes. Connection to 995 (POP3s) works perfectly.
>
> A imtest -v -s against the IP of the machine hangs on:
>
...
> I tried to delete tls_sessions and even connecting to localhost (where it
> is  bound too). netstat shows ESTABLISHED on such connections too.
>
> The service is configured (and worked until tonight!):
>
>   imaps         cmd="imapd -s" listen="imaps" prefork=0 maxchild=150



Mit freundlichen Grüßen

Sebastian Hagedorn
-- 
    .:.Sebastian Hagedorn - Weyertal 121 (Gebäude 133), Zimmer 2.02.:.
                 .:.Regionales Rechenzentrum (RRZK).:.
   .:.Universität zu Köln / Cologne University - ✆ +49-221-470-89578.:.
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