A slightly nicer tool than just using "openssl s_client" is testssl.sh,
handles STARTTLS and some other non-trivial cases.
https://testssl.sh/
Back when I first used it I did read the source, these days at ~650k of
shell script, that's a little less practical.
On 12/4/21 10:58 pm, Bjørn Mork wro
OK, so that email bounced. Or will eventually because this does not go
away with someone doing something:
... Deferred: 403 4.7.0 TLS handshake failed.
I am posting this in public because it unfortunately is a very common
problem.
Debian buster was released on July 6th, 2019. It includes open
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