firewall: Allow SNAT rules with RED interface

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

config/rootfiles/core/132/filelists/files

@@ -4,6 +4,7 @@ etc/mime.types
 etc/rc.d/init.d/suricata
 etc/suricata/suricata.yaml
 srv/web/ipfire/cgi-bin/credits.cgi
+srv/web/ipfire/cgi-bin/firewall.cgi
 srv/web/ipfire/cgi-bin/proxy.cgi
 usr/lib/firewall/rules.pl
 usr/sbin/convert-snort

html/cgi-bin/firewall.cgi

@@ -1718,6 +1718,7 @@ END
 						<td width='25%' align='right'><span class='snat'>$Lang::tr{'snat new source ip address'}:</span></td>
 						<td width='30%'>
 							<select name='snat' class='snat' style='width: 100%;'>
+								<option value='RED' $selected{'snat'}{'RED'}>$Lang::tr{'red1'} ($redip)</option>
 END
 
 		foreach my $alias (sort keys %aliases) {