Hi Mike, Thank you for your precious help. I am using stunnel as SSL client. The SSL server runs in a router. As you suggested me, I have done these changes: at first I have modified the stunnel.conf with options = SSL_OP_TLS_BLOCK_PADDING_BUG stunnel.conf ============================== client = yes debug=7 options = SSL_OP_TLS_BLOCK_PADDING_BUG [telnet] accept = 23 connect = 10.36.3.144:4433 ============================= but I have got this error ======================================= file stunnel.conf line 5: Illegal SSL option 2005.03.31 13:26:48 LOG3[3396:3716]: Server is down ======================================= After I have changed the stunnel.conf in this way: stunnel.conf ============================== client = yes debug=7 ciphers = RC4-MD5 [telnet] accept = 23 connect = 10.36.3.144:4433 ============================== The problem I had is now solved. But my question is: how can I know more about this protocol incompatibility? Is there an accurate documentation about that and also about stunnel configuration? Sorry but sometimes it's difficult for me to find (in the FAQ or other sessions) the informations that I need. Thanks&Regards Maddalena
<[email protected]> wrote:
ciphers = RC4-MD5 [cut] The problem I had is now solved.
Cool.
how can I know more about this protocol incompatibility?
I think it's a good question to ask on openssl-users or openssl-dev mailing list, since it's a problem with the library, not stunnel. http://www.openssl.org/support/ AES256 is quite new in SSL, so incompatibilities are very probable.
Is there an accurate documentation about that and also about stunnel configuration?
This problem is not specific to stunnel, but to any application that uses OpenSSL.
Sorry but sometimes it's difficult for me to find (in the FAQ or other sessions) the informations that I need.
C'est la vie... 8-) Best regards, Mike
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Maddalena.Pulcini＠seleniacomms.com -
Michal Trojnara