[stunnel-users] Errors in log

[Małgorzata Olszówka]

W dniu 11.09.2016 o 22:05, Mark Hannig pisze:
> Can you please help me.  Stunnel has been working fine for months and I
> just started getting these errors in the last day or two.  Thank you:
>
> 2016.09.11 13:43:38 LOG5[10]: Service [ssmtp] accepted connection from
> 46.101.193.127:33818 <http://46.101.193.127:33818>
> 2016.09.11 13:43:40 LOG3[10]: SSL_accept: Peer suddenly disconnected
> 2016.09.11 13:43:40 LOG5[10]: Connection reset: 0 byte(s) sent to SSL, 0
> byte(s) sent to socket
> 2016.09.11 13:43:40 LOG5[11]: Service [ssmtp] accepted connection from
> 46.101.193.127:34154 <http://46.101.193.127:34154>
> 2016.09.11 13:43:40 LOG3[11]: SSL_accept: 1408A10B: error:1408A10B:SSL
> routines:ssl3_get_client_hello:wrong version number
> 2016.09.11 13:43:40 LOG5[11]: Connection reset: 0 byte(s) sent to SSL, 0
> byte(s) sent to socket
> 2016.09.11 13:43:40 LOG5[12]: Service [ssmtp] accepted connection from
> 46.101.193.127:34254 <http://46.101.193.127:34254>
> 2016.09.11 13:43:42 LOG3[12]: s_connect: connect 127.0.0.1:25
> <http://127.0.0.1:25>: Connection refused (WSAECONNREFUSED) (10061)
> 2016.09.11 13:43:42 LOG5[12]: Connection reset: 0 byte(s) sent to SSL, 0
> byte(s) sent to socket
> 2016.09.11 17:22:39 LOG5[13]: Service [smtp-tls-wrapper] accepted
> connection from 127.0.0.1:58020 <http://127.0.0.1:58020>
> 2016.09.11 17:22:39 LOG5[13]: s_connect: connected 52.35.228.26:465
> <http://52.35.228.26:465>
> 2016.09.11 17:22:39 LOG5[13]: Service [smtp-tls-wrapper] connected
> remote server from 172.31.10.223:58021 <http://172.31.10.223:58021>
> 2016.09.11 17:22:40 LOG5[13]: Connection closed: 7072 byte(s) sent to
> SSL, 369 byte(s) sent to socket
> 2016.09.11 17:22:40 LOG5[14]: Service [smtp-tls-wrapper] accepted
> connection from 127.0.0.1:58022 <http://127.0.0.1:58022>
> 2016.09.11 17:22:40 LOG5[14]: s_connect: connected 52.35.58.187:465
> <http://52.35.58.187:465>
> 2016.09.11 17:22:40 LOG5[14]: Service [smtp-tls-wrapper] connected
> remote server from 172.31.10.223:58023 <http://172.31.10.223:58023>
> 2016.09.11 17:22:40 LOG5[14]: Connection closed: 7302 byte(s) sent to
> SSL, 361 byte(s) sent to socket
>
> --
> Mark F. Hannig
> mhannig at gmail.com <mailto:mhannig at gmail.com>
>
>
>
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> stunnel-users mailing list
> stunnel-users at stunnel.org
> https://www.stunnel.org/cgi-bin/mailman/listinfo/stunnel-users
>

Mark,

It could be an SSL version mismatch between the client and the server. 
You need to upgrade the client to support a latest version of SSL, check 
supported protocol version – sslVersion - in your configuration file and 
reload stunnel. SSLv3 are currently disabled by default in the latest 
version of stunnel. You can enable it in the option, if is necessary.

Regards.

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