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Hi,

I try to follow the instruction from this article https://magazine.odroid.com/article/intr...ems-linux/ about setting up an HTTPS check. I have done everything. But I got reading from Nagios Core as follow.

Current Status: CRITICAL (for 0d 0h 7m 35s)
Status Information:
Name or service not known
HTTP CRITICAL - Unable to open TCP socket

Do I miss something?
OKay, I found it... In your article it mentioned as follow.

Finally, set your service parameters to: -S –sni

In fact, when I read https://docs.nemslinux.com/check_commands/check_http, the service parameter should be "-S --sni" (with double dash just before sni)