On Jan 24, 2018, at 9:25 PM, li...@lazygranch.com wrote:
postfix/smtpd[14755]: warning: TLS library problem: error:140760FC:SSL
routines:SSL23_GET_CLIENT_HELLO:unknown protocol:s23_srvr.c:640:
Should I be blocking some encryption method? I thought openssl dropped
support for the hackable protocols.
On 24.01.18 22:41, Viktor Dukhovni wrote:
The error message is not what it appears. The SSLv23 functions are the
generic layer that handles all protocol versions before the actual protocol
is determined.
for example, dropping connection or speaking plaintest to it can result in
this kind of error.
--
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