Yaws HTTPS/SSL connection problems (ssl_server crash)

Gaspar Chilingarov <>
Mon Aug 28 09:48:27 CEST 2006


Hi folks!

After putting our system (using Yaws with SSL as backend) to production
I've discovered that our client have rather broken winproxy which
somehow breaks SSL connections -- when using SSL-enabled site it results
in a following message. At the same time connection without proxy from
the same computer works seamless. It occurs only when using IE.


=ERROR REPORT==== 24-Aug-2006::15:18:49 ===
** Generic server ssl_server terminating
** Last message in was {'EXIT',#Port<0.221>,epipe}
** When Server state == {st,#Port<0.221>,
                            594,
                            false,
                            [{5,<0.140.0>,[]}],

[{5,<0.12048.0>,{<0.12048.0>,#Ref<0.0.0.83310>}},

{5,<0.12047.0>,{<0.12047.0>,#Ref<0.0.0.83307>}},

{5,<0.12046.0>,{<0.12046.0>,#Ref<0.0.0.83300>}},

{5,<0.12045.0>,{<0.12045.0>,#Ref<0.0.0.83296>}},

{5,<0.12043.0>,{<0.12043.0>,#Ref<0.0.0.83210>}}],
                            59674,
                            4,
                            "OpenSSL 0.9.7e-p1 25 Oct 2004",
                            "OpenSSL 0.9.7e-p1 25 Oct 2004",

"DHE-RSA-AES256-SHA:DHE-DSS-AES256-SHA:AES256-SHA:EDH-RSA-DES-CBC3-SHA:EDH-DSS-DES-CBC3-

SHA:DES-CBC3-SHA:DES-CBC3-MD5:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA:AES128-SHA:RC2-CBC-MD5:DHE-DSS-RC4-SHA:RC4-SHA:RC4-MD5:RC4-MD5:RC4-64-MD5:EXP1024-DHE-DSS-DES-CBC-SHA:EXP1024-DES-CBC-SHA:EXP1024-RC2-CBC-MD5:EDH-RSA-DES-CBC-SHA:EDH-DSS-DES-CBC-SHA:DES-CBC-SHA:DES-CBC-MD5:EXP1024-DHE-DSS-RC4-SHA:EXP1024-RC4-SHA:EXP1024-RC4-MD5:EXP-EDH-RSA-DES-CBC-SHA:

EXP-EDH-DSS-DES-CBC-SHA:EXP-DES-CBC-SHA:EXP-RC2-CBC-MD5:EXP-RC2-CBC-MD5:EXP-RC4-MD5:EXP-RC4-MD5"}
** Reason for termination ==
** epipe


Any thoughts how to fight this - or (at least how to restart ssl_server)?


Thanks in advance

-- 
Gaspar Chilingarov

System Administrator,
Network security consulting

t +37493 419763 (mob)
i 63174784
e 



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