pfSense

Firewall rule using !LAN address in destination results in the following error.

@Notices

Filter Reload
• There were error(s) loading the rules: /tmp/rules.debug:297: syntax error - The line in question reads [297]: block in log quick on $LAN inet proto { tcp udp } from any to ! port 53 tracker 1452958855 label "USER_RULE: Block Unapproved DNS Servers"@

The rule settings are:
Block: enabled
Log: enabled
Protocol: IPv4 TCP/UDP
Source: *
Port: *
Destination: !LAN address
Port: 53(DNS)
Queue: none
Schedule:
Description: Block Unapproved DNS Servers

Same rules work fine on VirtualBox VM; Intel(R) Core(TM) i5-4200U CPU @ 1.60GHz 2 CPUs: 1 package(s) x 2 core(s).

But not on Dell Inspiron 5100; Intel(R) Pentium(R) 4 CPU 2.66GHz. Full install on USB flash drive.

Forum thread:
https://forum.pfsense.org/index.php?topic=109719.0