Greetings and Felicitations,
we are trying to solve the final PCI compliance issue with our courier mail 
system.  The compliance scan informs us of the issue

995/tcp  Weak Supported SSL Ciphers Suites

which I think is related to the following entry in /etc/courier/pop3d-ssl

TLS_PROTOCOL=SSL23

This is the default value, which accepts connections from either SSLv2 or 
SSLv3.  We need just SSLv3, and the comments in the file say that to achieve 
this, set TLS_PROTOCOL=SSL3 in the aforementioned file.  When I do this, I 
see the following error message in syslog

couriertls: connect: error:1408F10B:SSL routines:SSL3_GET_RECORD:wrong version 
number

and nobody can collect there emails.  Can somebody please tell me how to we 
force SSLv3?

We are running the standard Ubuntu courier packages :

courier-pop-ssl                      0.58.0.20080127-1ubuntu1
courier-authdaemon             0.60.1-1ubuntu
courier-authlib                       0.60.1-1ubuntu2
courier-base                          0.58.0.20080127-1ubuntu1 


Kind Regards
Martin Woolley
IT Systems Administrator
www.mobilefun.co.uk

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