'pf_CREATE_PAGE_DESCRIPTION' => 'Select the protocol, the port you wish to forward, the
                destination host, and the port on the destination host
                that you wish to forward to. If you wish to specify a port
                range, enter the lower and upper boundaries separated by a
                hyphen. The destination port may be left blank, which will
                instruct the firewall to leave the source port 
                unaltered',
'pf_ERR_CANNOT_REMOVE_NORULE' => 'Cannot remove non-existant rule.',
'pf_ERR_DUPRULE' => 'This rule has already been added, it cannot be added twice.',
'pf_ERR_NO_MASQ_RECORD' => 'Cannot retrieve masq record from the configuration database.',
'pf_ERR_UNSUPPORTED_MODE' => 'Unsupported mode.',
'pf_LABEL_ALLOW_HOSTS' => 'Allow Hosts',
'pf_LABEL_RULE_COMMENT' => 'Rule Comment',
'Port forwarding' => 'Port forwarding',