check_tcp

[Piotr Kilar]

Hello,
I'm using Your check_tcp plugin and i'm need to monitor stunnel, but got
one issue.
When stunnel certificates are expired or remote host is rejecting my
connection check_tcp is showing me OK - port is open, and it is true
because there is open local tcp port binded by stunnel process. But when
using f.e. telnet i can see that "Connection closed by remote host" and see
why in stunnel logs. Is it possible to adapt check_tcp to show CRIT in that
cases (immediate port closure by remote host)?

best regards,
Piotr
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