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   Ryan Castellucci :nonbinary_flag: (ryanc@infosec.exchange)'s status on Sunday, 24-Dec-2023 07:54:30 JST Ryan Castellucci :nonbinary_flag:

   How many different protocols can simultaneously be supported on the same TCP port via auto detection?

   HTTP+HTTPS+SSH is fairly straightforward.

   The fun bit would be combining SSH with one or more other server-talks-first protocols.

   • Embed this notice
     Ryan Castellucci :nonbinary_flag: (ryanc@infosec.exchange)'s status on Sunday, 24-Dec-2023 07:55:58 JST Ryan Castellucci :nonbinary_flag:

     in reply to

     SSH allows arbitrary lines to be before the SSH-2.0-software_version so long as they don't start with SSH-2.0-.

   • Embed this notice
     Bernard Quatermass (quatermasstools@infosec.exchange)'s status on Tuesday, 26-Dec-2023 04:22:30 JST Bernard Quatermass

     in reply to

     @ryanc i just realised ZNC, the irc bouncer has done http/https/irc for at least 10 years