[UPD] lower threshold for cert expiry

templates/commands.cfg.j2

@@ -53,7 +53,7 @@ define command{
 # 'check_https' command definition
 define command{
         command_name    check_https
-        command_line    $USER1$/check_http -S -H $ARG1$ -u $ARG2$ --sni -C 29,15 --continue-after-certificate
+        command_line    $USER1$/check_http -S -H $ARG1$ -u $ARG2$ --sni -C 27,15 --continue-after-certificate
         }
 
 # 'check_certif' command definition