type: txt help: Defines the server certificate fingerprint or key-file name. allowed: if sudo [ -d /etc/snmp/tls/certs ]; then sudo ls /etc/snmp/tls/certs 2> /dev/null else sudo ls /config/snmp/tls/certs 2> /dev/null fi syntax:expression: pattern $VAR(@) "^[0-9A-F]{2}(:[0-9A-F]{2}){19}$" || exec "if sudo [ -f /etc/snmp/tls/certs/$VAR(@) -o -f /config/snmp/tls/certs/$VAR(@) ]; \ then \ exit 0; \ else \ exit 1; \ fi" ; "value can be finger print key or filename in /etc/snmp/tls/certs folder"