Firewall: Bugfix - when creating a rule which leads to an error, the rule action (Accept/Drop/Reject) is set to default
Firewall: fix last commit.
Firewall: deleted subnet from source and target addresses if manually used
Firewall: reaktivated targetport-check. now there's an errromessage in case of wrong portnumber
SQUID: fixed length of FAKE_REFERRER field