in reply to Re^7: IO::Socket::SSL problem
in thread IO::Socket::SSL problem

Which client? Its oldschool telnet and even in tcpdump I can only see the tcp handshake and this error message being send from the server afterwards.

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Re^9: IO::Socket::SSL problem
by Anonymous Monk on Sep 28, 2012 at 06:52 UTC

    Which client?

    The one you're using :) whatever that is

    For example telnet

    debug Toggles socket level debugging (useful only to the super-user). The initial value for this toggle is FALSE. authdebug Turns on debugging information for the authenti- cation code.

    Crank up whatever trace/verbose/debug option you can find until you get output you can correlate to what you get from IO::Socket::SSL debug3

    Common source of error is using the wrong port

      Tcpdump cannot show me more information so debug mode of telnet also cannot ;)

      The port is the right one, but maybe I cannot talk standard SSL to it, because even stunnel complains about "unknown protocol" :-/