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Re: can't connect to eduroam due to SSL3 unsupported protocol

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Hello

On 2024-06-17 16:14, Vincent Lefevre wrote:
> On 2024-06-17 08:26:39 -0400, Dan Ritter wrote:
>> On stable:
>> $ openssl list -disabled
>> Disabled algorithms:
>> IDEA
>> MD2
>> MDC2
>> RC5
>> SCTP
>> SSL3
>> ZLIB
>> 
>> So, SSL3 support was removed at least that long ago. I think it
>> was actually dropped around 2016.
> 
> That's strange because when I installed the machine in October,
> there were no issues.

SSL v3 has been deprecated years ago, and replaced by TLS. SSLv3 support 
in Debian has been
dropped a while ago, like most OSes (except obsolete ones, from 2016 and 
before).

Even TLS 1.0 and 1.1 should be avoided whenever possible.

Maybe it worked because it used correct configuration/hardware/software.
If it supports SSLv3 and not TLS, it's outdated software.

The best thing you could do is to

- try debian stable form live USB to check if it also tries to use SSLv3
If it tries to use SSLv3 as well, chances are the authentification 
server only offers SSLv3 and is outdated
If it doesn't and it connects using TLS (preferably v1.2 or 1.3), maybe 
there a bug in Unstable, which leads the client (Debian unstable) to try 
to use SSLv3 (erratically)
- contact your UNi Eduroam support to see if changed anything since last 
October

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Thread

can't connect to eduroam due to SSL3 unsupported protocol Vincent Lefevre <vincent@vinc17.net> - 2024-06-17 14:10 +0200
  Re: can't connect to eduroam due to SSL3 unsupported protocol Marco Moock <mm@dorfdsl.de> - 2024-06-17 14:20 +0200
  Re: can't connect to eduroam due to SSL3 unsupported protocol Richard <rrosner5@gmail.com> - 2024-06-17 14:50 +0200
  Re: can't connect to eduroam due to SSL3 unsupported protocol Dan Ritter <dsr@randomstring.org> - 2024-06-17 14:50 +0200
    Re: can't connect to eduroam due to SSL3 unsupported protocol Vincent Lefevre <vincent@vinc17.net> - 2024-06-17 16:20 +0200
      Re: can't connect to eduroam due to SSL3 unsupported protocol Dan Ritter <dsr@randomstring.org> - 2024-06-17 21:30 +0200
        Re: can't connect to eduroam due to SSL3 unsupported protocol Vincent Lefevre <vincent@vinc17.net> - 2024-06-20 11:10 +0200
          Re: can't connect to eduroam due to SSL3 unsupported protocol Marco Moock <mm@dorfdsl.de> - 2024-06-20 11:10 +0200
      Re: can't connect to eduroam due to SSL3 unsupported protocol davenull@tuxfamily.org - 2024-06-21 14:10 +0200
  Re: can't connect to eduroam due to SSL3 unsupported protocol Stefan Monnier <monnier@iro.umontreal.ca> - 2024-06-17 16:20 +0200
    Re: can't connect to eduroam due to SSL3 unsupported protocol Vincent Lefevre <vincent@vinc17.net> - 2024-06-17 17:10 +0200
      Re: can't connect to eduroam due to SSL3 unsupported protocol Richard <rrosner5@gmail.com> - 2024-06-17 17:30 +0200
        Re: can't connect to eduroam due to SSL3 unsupported protocol Nicolas George <george@nsup.org> - 2024-06-17 17:40 +0200

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