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#1
March 18th, 2004, 07:16 PM
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postfix & TLS
Hi all,
I need some enlightenment on ssl messages during mail exchange operations. Here below is the log snippet pertaining ssl negotiation: Mar 18 19:58:53 dao postfix/smtpd[29493]: starting TLS engine Mar 18 19:58:54 dao postfix/smtpd[29493]: setting up TLS connection from ltf105.chi.us.siteprotect.com[64.41.72.162] Mar 18 19:58:54 dao postfix/smtpd[29493]: SSL_accept:before/accept initialization Mar 18 19:58:54 dao postfix/smtpd[29493]: SSL_accept:error in SSLv2/v3 read client hello A Mar 18 19:58:54 dao postfix/smtpd[29493]: SSL_accept:error in SSLv2/v3 read client hello B Mar 18 19:58:54 dao postfix/smtpd[29493]: SSL_accept:SSLv3 read client hello A Mar 18 19:58:54 dao postfix/smtpd[29493]: SSL_accept:SSLv3 write server hello A Mar 18 19:58:54 dao postfix/smtpd[29493]: SSL_accept:SSLv3 write certificate A Mar 18 19:58:54 dao postfix/smtpd[29493]: SSL_accept:SSLv3 write key exchange A Mar 18 19:58:54 dao postfix/smtpd[29493]: SSL_accept:SSLv3 write server done A Mar 18 19:58:54 dao postfix/smtpd[29493]: SSL_accept:SSLv3 flush data Mar 18 19:58:54 dao postfix/smtpd[29493]: SSL_accept:error in SSLv3 read client certificate A Mar 18 19:58:55 dao postfix/smtpd[29493]: SSL_accept:SSLv3 read client key exchange A Mar 18 19:58:55 dao postfix/smtpd[29493]: SSL_accept:error in SSLv3 read certificate verify A Mar 18 19:58:55 dao postfix/smtpd[29493]: SSL_accept:SSLv3 read finished A Mar 18 19:58:55 dao postfix/smtpd[29493]: SSL_accept:SSLv3 write change cipher spec A Mar 18 19:58:55 dao postfix/smtpd[29493]: SSL_accept:SSLv3 write finished A Mar 18 19:58:55 dao postfix/smtpd[29493]: SSL_accept:SSLv3 flush data Mar 18 19:59:02 dao postfix/smtpd[29502]: starting TLS engine Mar 18 19:59:03 dao postfix/lmtp[29497]: 4EEBD4802D: to=<quicksilver@nicetry.org>, relay=127.0.0.1[127.0.0.1], delay=8, status=sent (250 2.6.0 Ok, id=20722-05, from MTA: 250 Ok: queued as E0FF048035) Could someone explain the process? In detail? What is the meaning of these lines: SSL_accept:error in SSLv2/v3 read client hello A SSL_accept:error in SSLv2/v3 read client hello B Then SSL_accept:error in SSLv3 read client certificate A SSL_accept:SSLv3 read client key exchange A SSL_accept:error in SSLv3 read certificate verify A The question is what are the errors? The certificates on my side are self signed. I have all my certs where they are supposed to be. Even though there are errors, the rest of the log seems to indicate that the exchange is taking place in an encrypted tunnel. As I said earlier, I would appreciate enlightenment. Cheers
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