"command_line $USER1$/check_http -H $ARG1$ -p $ARG2$ -4 -S -C 21 -t 20 --sni" -C 21 means: Check the certificate. Warn if less than 21 days and critical whe

"command_line $USER1$/check_http -H $ARG1$ -p $ARG2$ -4 -S -C 21 -t 20 --sni" -C 21 means: Check the certificate. Warn if less than 21 days and critical when expired.