pfSense

Make this lowercase before checking, or people who ended up with TCP or UDP in their config might end up with rules that have no port specified, leaving them a bit more open than expected.

Not needed anymore.

lower limit to 101 MB

Simplify is_macaddr regex.

Slight regex fix on is_macaddr - the previous regex was letting through a mac without : separators, leading to improper validation and potentially invalid dhcp configs. Seen here http://forum.pfsense.org/index.php/topic,33830.0.html

Attempt to mitigate fork bombs of rc.newipsecdns. Alternatively we should probably bail out with a exit(0);
instead.

Always write out the filterdns-ipsec.hosts file, otherwise deleted tunnels will never get removed from the
filterdns-ipsec.hosts

Make it possible to turn off successful login messages, this should quiet the console, system logs

Add a check that should prevent configuration of racoon with duplicate phase 1 IP entries.

Since its only called during bootup there is no need to do conditionals here. Always sync config and start the miniupnpd process.