Сабж:
~$ openssl s_client -connect jabber.ru:5222 2>/dev/null | openssl x509 -noout -dates
notBefore=Jul 18 12:38:51 2023 GMT
notAfter=Oct 16 12:38:50 2023 GMT
^C
Сабж:
~$ openssl s_client -connect jabber.ru:5222 2>/dev/null | openssl x509 -noout -dates
notBefore=Jul 18 12:38:51 2023 GMT
notAfter=Oct 16 12:38:50 2023 GMT
^C