]>
git.ipfire.org Git - people/teissler/ipfire-2.x.git/blob - config/forwardfw/rules.pl
7184c04600390eef6957b515addb4be943e774ca
2 ###############################################################################
4 # IPFire.org - A linux based firewall #
7 # This program is free software: you can redistribute it and/or modify #
8 # it under the terms of the GNU General Public License as published by #
9 # the Free Software Foundation, either version 3 of the License, or #
10 # (at your option) any later version. #
12 # This program is distributed in the hope that it will be useful, #
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of #
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
15 # GNU General Public License for more details. #
17 # You should have received a copy of the GNU General Public License #
18 # along with this program. If not, see <http://www.gnu.org/licenses/>. #
20 ###############################################################################
22 # Hi folks! I hope this code is useful for all. I needed something to handle #
23 # my VPN Connections in a comfortable way. #
24 # This script builds firewallrules from the webinterface #
25 ###############################################################################
29 no warnings
'uninitialized';
31 # enable only the following on debugging purpose
33 #use CGI::Carp 'fatalsToBrowser';
36 my %defaultNetworks=();
46 my %configoutgoingfw=();
51 require '/var/ipfire/general-functions.pl';
52 require "${General::swroot}/lang.pl";
53 require "${General::swroot}/forward/bin/firewall-lib.pl";
55 my $configfwdfw = "${General::swroot}/forward/config";
56 my $configinput = "${General::swroot}/forward/input";
57 my $configoutgoing = "${General::swroot}/forward/outgoing";
58 my $confignat = "${General::swroot}/forward/nat";
59 my $p2pfile = "${General::swroot}/forward/p2protocols";
60 my $configgrp = "${General::swroot}/fwhosts/customgroups";
61 my $netsettings = "${General::swroot}/ethernet/settings";
66 my ($TYPE,$PROT,$SPROT,$DPROT,$SPORT,$DPORT,$TIME,$TIMEFROM,$TIMETILL,$SRC_TGT);
67 my $CHAIN="FORWARDFW";
69 my $command = 'iptables -A';
72 &General
::readhash
("${General::swroot}/forward/settings", \
%fwdfwsettings);
73 &General
::readhash
("$netsettings", \
%defaultNetworks);
74 &General
::readhasharray
($configfwdfw, \
%configfwdfw);
75 &General
::readhasharray
($configinput, \
%configinputfw);
76 &General
::readhasharray
($configoutgoing, \
%configoutgoingfw);
77 &General
::readhasharray
($confignat, \
%confignatfw);
78 &General
::readhasharray
($configgrp, \
%customgrp);
79 &General
::get_aliases
(\
%aliases);
81 #check if we have an internetconnection
82 open (CONN
,"/var/ipfire/red/iface");
85 if (-f
"/var/ipfire/red/active"){
88 open (CONN1
,"/var/ipfire/red/local-ipaddress");
91 ################################
93 ################################
94 my $MODE=1; # 0 - normal operation
95 # 1 - print configline and rules to console
97 ################################
100 if($param eq 'flush'){
102 print " Flushing chains...\n";
107 print " Flushing chains...\n";
111 print " Preparing rules...\n";
115 if ($fwdfwsettings{'POLICY'} eq 'MODE1'){
117 system ("/usr/sbin/firewall-policy");
118 }elsif($fwdfwsettings{'POLICY'} eq 'MODE2'){
119 $defaultNetworks{'GREEN_NETMASK'}=&General
::iporsubtocidr
($defaultNetworks{'GREEN_NETMASK'});
120 $green="$defaultNetworks{'GREEN_ADDRESS'}/$defaultNetworks{'GREEN_NETMASK'}";
121 if ($defaultNetworks{'BLUE_DEV'}){
122 $defaultNetworks{'BLUE_NETMASK'}=&General
::iporsubtocidr
($defaultNetworks{'BLUE_NETMASK'});
123 $blue="$defaultNetworks{'BLUE_ADDRESS'}/$defaultNetworks{'BLUE_NETMASK'}";
124 #set default rules for BLUE
125 system ("iptables -A $CHAIN -s $blue -d $green -j RETURN");
127 if ($defaultNetworks{'ORANGE_DEV'}){
128 $defaultNetworks{'ORANGE_NETMASK'}=&General
::iporsubtocidr
($defaultNetworks{'ORANGE_NETMASK'});
129 $orange="$defaultNetworks{'ORANGE_ADDRESS'}/$defaultNetworks{'ORANGE_NETMASK'}";
130 #set default rules for DMZ
131 system ("iptables -A $CHAIN -s $orange -d $green -j RETURN");
132 if ($defaultNetworks{'BLUE_DEV'}){
133 system ("iptables -A $CHAIN -s $orange -d $blue -j RETURN");
137 system ("iptables -A $CHAIN -m state --state NEW -j ACCEPT");
138 system ("/usr/sbin/firewall-policy");
139 system ("/etc/sysconfig/firewall.local reload");
145 system ("iptables -F FORWARDFW");
146 system ("iptables -F INPUTFW");
147 system ("iptables -F OUTGOINGFW");
148 system ("iptables -t nat -F NAT_DESTINATION");
149 system ("iptables -t nat -F NAT_SOURCE");
153 if (! -z
"${General::swroot}/forward/config"){
154 &buildrules
(\
%configfwdfw);
156 if (! -z
"${General::swroot}/forward/input"){
157 &buildrules
(\
%configinputfw);
159 if (! -z
"${General::swroot}/forward/outgoing"){
160 &buildrules
(\
%configoutgoingfw);
162 if (! -z
"${General::swroot}/forward/nat"){
163 &buildrules
(\
%confignatfw);
176 foreach my $key (sort {$a <=> $b} keys %$hash){
177 next if (($$hash{$key}[6] eq 'RED' || $$hash{$key}[6] eq 'RED1') && $conexists eq 'off' );
178 if ($$hash{$key}[28] eq 'ON'){
179 $command='iptables -t nat -A';
180 $natip=&get_nat_ip
($$hash{$key}[29],$$hash{$key}[31]);
181 if($$hash{$key}[31] eq 'dnat'){
183 if ($$hash{$key}[30] =~ /\|/){
184 $$hash{$key}[30]=~ tr/|/,/;
185 $fireport='-m multiport --dport '.$$hash{$key}[30];
187 $fireport='--dport '.$$hash{$key}[30] if ($$hash{$key}[30]>0);
194 if($$hash{$key}[2] eq 'ON'){
196 if ($$hash{$key}[3] eq 'cust_grp_src'){
197 foreach my $grp (sort {$a <=> $b} keys %customgrp){
198 if($customgrp{$grp}[0] eq $$hash{$key}[4]){
199 &get_address
($customgrp{$grp}[3],$customgrp{$grp}[2],"src");
203 &get_address
($$hash{$key}[3],$$hash{$key}[4],"src");
206 if ($$hash{$key}[5] eq 'cust_grp_tgt'){
207 foreach my $grp (sort {$a <=> $b} keys %customgrp){
208 if($customgrp{$grp}[0] eq $$hash{$key}[6]){
209 &get_address
($customgrp{$grp}[3],$customgrp{$grp}[2],"tgt");
212 }elsif($$hash{$key}[5] eq 'ipfire'){
213 if($$hash{$key}[6] eq 'GREEN'){
214 $targethash{$key}[0]=$defaultNetworks{'GREEN_ADDRESS'};
216 if($$hash{$key}[6] eq 'BLUE'){
217 $targethash{$key}[0]=$defaultNetworks{'BLUE_ADDRESS'};
219 if($$hash{$key}[6] eq 'ORANGE'){
220 $targethash{$key}[0]=$defaultNetworks{'ORANGE_ADDRESS'};
222 if($$hash{$key}[6] eq 'ALL'){
223 $targethash{$key}[0]='0.0.0.0/0';
225 if($$hash{$key}[6] eq 'RED' || $$hash{$key}[6] eq 'RED1'){
226 open(FILE
, "/var/ipfire/red/local-ipaddress")or die "Couldn't open local-ipaddress";
227 $targethash{$key}[0]= <FILE
>;
230 foreach my $alias (sort keys %aliases){
231 if ($$hash{$key}[6] eq $alias){
232 $targethash{$key}[0]=$aliases{$alias}{'IPT'};
237 &get_address
($$hash{$key}[5],$$hash{$key}[6],"tgt");
239 ##get source prot and port
241 $SPROT = &get_prot
($hash,$key);
242 $SPORT = &get_port
($hash,$key);
245 ##get target prot and port
246 $DPROT=&get_prot
($hash,$key);
248 if ($DPROT eq ''){$DPROT=' ';}
249 @DPROT=split(",",$DPROT);
252 if($$hash{$key}[18] eq 'ON'){
253 my ($time1,$time2,$daylight);
254 my $daylight=$$hash{$key}[28];
255 $time1=&get_time
($$hash{$key}[26],$daylight);
256 $time2=&get_time
($$hash{$key}[27],$daylight);
257 if($$hash{$key}[19] ne ''){push (@timeframe,"Mon");}
258 if($$hash{$key}[20] ne ''){push (@timeframe,"Tue");}
259 if($$hash{$key}[21] ne ''){push (@timeframe,"Wed");}
260 if($$hash{$key}[22] ne ''){push (@timeframe,"Thu");}
261 if($$hash{$key}[23] ne ''){push (@timeframe,"Fri");}
262 if($$hash{$key}[24] ne ''){push (@timeframe,"Sat");}
263 if($$hash{$key}[25] ne ''){push (@timeframe,"Sun");}
264 $TIME=join(",",@timeframe);
266 $TIMEFROM="--timestart $time1 ";
267 $TIMETILL="--timestop $time2 ";
268 $TIME="-m time --weekdays $TIME $TIMEFROM $TIMETILL";
272 foreach my $i (0 .. $#{$$hash{$key}}){
273 print "$i: $$hash{$key}[$i] ";
276 print"##################################\n";
277 #print rules to console
278 foreach my $DPROT (@DPROT){
279 $DPORT = &get_port
($hash,$key,$DPROT);
280 if ($SPROT ne ''){$PROT=$SPROT;}else{$PROT=$DPROT;}
281 $PROT="-p $PROT" if ($PROT ne '' && $PROT ne ' ');
282 foreach my $a (sort keys %sourcehash){
283 foreach my $b (sort keys %targethash){
284 if ($sourcehash{$a}[0] ne $targethash{$b}[0] && $targethash{$b}[0] ne 'none' || $sourcehash{$a}[0] eq '0.0.0.0/0.0.0.0'){
285 if($SPROT eq '' || $SPROT eq $DPROT || $DPROT eq ' '){
286 if(substr($sourcehash{$a}[0], 3, 3) ne 'mac' && $sourcehash{$a}[0] ne ''){ $STAG="-s";}
287 if(substr($DPORT, 2, 4) eq 'icmp'){
288 my @icmprule= split(",",substr($DPORT, 12,));
290 if ($$hash{$key}[17] eq 'ON'){
291 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] --icmp-type $_ $TIME -j LOG\n";
293 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] --icmp-type $_ $TIME -j $$hash{$key}[0]\n";
295 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat'){
296 $natchain='NAT_DESTINATION';
297 if ($$hash{$key}[17] eq 'ON'){
298 print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $fireport $TIME -j LOG --log-prefix 'DNAT' \n";
300 my ($ip,$sub) =split("/",$targethash{$b}[0]);
301 print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to $ip$DPORT\n";
304 $fwaccessdport="--dport ".substr($DPORT,1,);
305 }elsif(! $DPORT && $$hash{$key}[30] ne ''){
306 if ($$hash{$key}[30]=~m/|/i){
307 $$hash{$key}[30] =~ s/\|/,/g;
308 $fwaccessdport="-m multiport --dport $$hash{$key}[30]";
310 $fwaccessdport="--dport $$hash{$key}[30]";
313 print "iptables -A FORWARDFW $PROT -i $con $STAG $sourcehash{$a}[0] -d $ip $fwaccessdport $TIME -j $$hash{$key}[0]\n";
315 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat'){
316 $natchain='NAT_SOURCE';
317 print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $nat --to $natip\n";
319 if ($$hash{$key}[17] eq 'ON'){
320 print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
322 print "iptables -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
329 }elsif($MODE eq '0'){
330 foreach my $DPROT (@DPROT){
331 $DPORT = &get_port
($hash,$key,$DPROT);
332 if ($SPROT ne ''){$PROT=$SPROT;}else{$PROT=$DPROT;}
333 $PROT="-p $PROT" if ($PROT ne '' && $PROT ne ' ');
334 foreach my $a (sort keys %sourcehash){
335 foreach my $b (sort keys %targethash){
336 if ($sourcehash{$a}[0] ne $targethash{$b}[0] && $targethash{$b}[0] ne 'none' || $sourcehash{$a}[0] eq '0.0.0.0/0.0.0.0'){
337 if($SPROT eq '' || $SPROT eq $DPROT || $DPROT eq ' '){
338 if(substr($sourcehash{$a}[0], 3, 3) ne 'mac' && $sourcehash{$a}[0] ne ''){ $STAG="-s";}
339 if(substr($DPORT, 2, 4) eq 'icmp'){
340 my @icmprule= split(",",substr($DPORT, 12,));
342 if ($$hash{$key}[17] eq 'ON'){
343 system ("$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] -- icmp-type $_ $TIME -j LOG");
345 system ("$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] --icmp-type $_ $TIME -j $$hash{$key}[0]");
347 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat'){
348 $natchain='NAT_DESTINATION';
349 if ($$hash{$key}[17] eq 'ON'){
350 system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $fireport $TIME -j LOG --log-prefix 'DNAT' \n";
352 my ($ip,$sub) =split("/",$targethash{$b}[0]);
353 system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to $ip$DPORT\n";
356 $fwaccessdport="--dport ".substr($DPORT,1,);
357 }elsif(! $DPORT && $$hash{$key}[30] ne ''){
358 if ($$hash{$key}[30]=~m/|/i){
359 $$hash{$key}[30] =~ s/\|/,/g;
360 $fwaccessdport="-m multiport --dport $$hash{$key}[30]";
362 $fwaccessdport="--dport $$hash{$key}[30]";
365 system "iptables -A FORWARDFW $PROT -i $con $STAG $sourcehash{$a}[0] -d $ip $fwaccessdport $TIME -j $$hash{$key}[0]\n";
367 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat'){
368 $natchain='NAT_SOURCE';
369 system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $nat --to $natip\n";
371 if ($$hash{$key}[17] eq 'ON'){
372 system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
374 system "iptables -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
395 if($val eq 'RED' || $val eq 'GREEN' || $val eq 'ORANGE' || $val eq 'BLUE'){
396 $result=$defaultNetworks{$val.'_ADDRESS'};
397 }elsif($val eq 'ALL'){
399 }elsif($val eq 'Default IP' && $type eq 'dnat'){
400 $result='-d '.$redip;
401 }elsif($val eq 'Default IP' && $type eq 'snat'){
404 foreach my $al (sort keys %aliases){
405 if($val eq $al && $type eq 'dnat'){
406 $result='-d '.$aliases{$al}{'IPT'};
407 }elsif($val eq $al && $type eq 'snat'){
408 $result=$aliases{$al}{'IPT'};
421 $minutes = &utcmin
($val);
422 $ruletime = $minutes + &time_get_utc
($val);
423 if ($ruletime < 0){$ruletime +=1440;}
424 if ($ruletime > 1440){$ruletime -=1440;}
425 $time=sprintf "%02d:%02d", $ruletime / 60, $ruletime % 60;
430 # Calculates the UTCtime from a given time
432 my @localtime=localtime(time);
433 my @gmtime=gmtime(time);
434 my $diff = ($gmtime[2]*60+$gmtime[1]%60)-($localtime[2]*60+$localtime[1]%60);
440 my ($hrs,$min) = split(":",$ruletime);
441 my $newtime = $hrs*60+$min;
448 open( FILE
, "< $p2pfile" ) or die "Unable to read $p2pfile";
451 my $CMD = "-m ipp2p";
452 foreach my $p2pentry (sort @p2ps) {
453 my @p2pline = split( /\;/, $p2pentry );
454 if ( $fwdfwsettings{'POLICY'} eq 'MODE1' ) {
456 if ("$p2pline[2]" eq "on") {
457 $P2PSTRING = "$P2PSTRING --$p2pline[1]";
461 if ("$p2pline[2]" eq "off") {
462 $P2PSTRING = "$P2PSTRING --$p2pline[1]";
468 print"/sbin/iptables -A FORWARDFW $CMD $P2PSTRING -j $DO\n";
472 system("/sbin/iptables -A FORWARDFW $CMD $P2PSTRING -j $DO");
478 my $base=shift; #source of checking ($configfwdfw{$key}[x] or groupkey
480 my $type=shift; #src or tgt
487 my $key = &General
::findhasharraykey
($hash);
488 if($base eq 'src_addr' || $base eq 'tgt_addr' ){
489 if (&General
::validmac
($base2)){
490 $$hash{$key}[0] = "-m mac --mac-source $base2";
492 $$hash{$key}[0] = $base2;
494 }elsif($base eq 'std_net_src' || $base eq 'std_net_tgt' || $base eq 'Standard Network'){
495 $$hash{$key}[0]=&fwlib
::get_std_net_ip
($base2,$con);
496 }elsif($base eq 'cust_net_src' || $base eq 'cust_net_tgt' || $base eq 'Custom Network'){
497 $$hash{$key}[0]=&fwlib
::get_net_ip
($base2);
498 }elsif($base eq 'cust_host_src' || $base eq 'cust_host_tgt' || $base eq 'Custom Host'){
499 $$hash{$key}[0]=&fwlib
::get_host_ip
($base2,$type);
500 }elsif($base eq 'ovpn_net_src' || $base eq 'ovpn_net_tgt' || $base eq 'OpenVPN static network'){
501 $$hash{$key}[0]=&fwlib
::get_ovpn_net_ip
($base2,1);
502 }elsif($base eq 'ovpn_host_src' ||$base eq 'ovpn_host_tgt' || $base eq 'OpenVPN static host'){
503 $$hash{$key}[0]=&fwlib
::get_ovpn_host_ip
($base2,33);
504 }elsif($base eq 'ovpn_n2n_src' ||$base eq 'ovpn_n2n_tgt' || $base eq 'OpenVPN N-2-N'){
505 $$hash{$key}[0]=&fwlib
::get_ovpn_n2n_ip
($base2,11);
506 }elsif($base eq 'ipsec_net_src' || $base eq 'ipsec_net_tgt' || $base eq 'IpSec Network'){
507 $$hash{$key}[0]=&fwlib
::get_ipsec_net_ip
($base2,11);
514 if ($$hash{$key}[7] eq 'ON' && $SRC_TGT eq 'SRC'){
515 if ($$hash{$key}[10] ne ''){
516 return"$$hash{$key}[8]";
517 }elsif($$hash{$key}[9] ne ''){
518 return"$$hash{$key}[8]";
520 return "$$hash{$key}[8]";
522 }elsif($$hash{$key}[11] eq 'ON' && $SRC_TGT eq ''){
523 if ($$hash{$key}[14] eq 'TGT_PORT'){
524 if ($$hash{$key}[15] ne ''){
525 return "$$hash{$key}[12]";
526 }elsif($$hash{$key}[13] ne ''){
527 return "$$hash{$key}[12]";
529 return "$$hash{$key}[12]";
531 }elsif($$hash{$key}[14] eq 'cust_srv'){
532 return &fwlib
::get_srv_prot
($$hash{$key}[15]);
534 }elsif($$hash{$key}[14] eq 'cust_srvgrp'){
535 return &fwlib
::get_srvgrp_prot
($$hash{$key}[15]);
539 if ($SRC_TGT eq '' && $$hash{$key}[31] eq 'dnat' && $$hash{$key}[11] eq '' && $$hash{$key}[12] ne ''){
540 return "$$hash{$key}[12]";
548 if ($$hash{$key}[7] eq 'ON' && $SRC_TGT eq 'SRC'){
549 if ($$hash{$key}[10] ne ''){
550 $$hash{$key}[10] =~ s/\|/,/g;
551 if(index($$hash{$key}[10],",") > 0){
552 return "-m multiport --sport $$hash{$key}[10] ";
554 if($$hash{$key}[28] ne 'ON' || ($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat') ||($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat') ){
555 return "--sport $$hash{$key}[10] ";
557 return ":$$hash{$key}[10]";
560 }elsif($$hash{$key}[9] ne '' && $$hash{$key}[9] ne 'All ICMP-Types'){
561 return "--icmp-type $$hash{$key}[9] ";
562 }elsif($$hash{$key}[9] eq 'All ICMP-Types'){
565 }elsif($$hash{$key}[11] eq 'ON' && $SRC_TGT eq ''){
566 if($$hash{$key}[14] eq 'TGT_PORT'){
567 if ($$hash{$key}[15] ne ''){
568 $$hash{$key}[15] =~ s/\|/,/g;
569 if(index($$hash{$key}[15],",") > 0){
570 return "-m multiport --dport $$hash{$key}[15] ";
572 if($$hash{$key}[28] ne 'ON' || ($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat') ){
573 return "--dport $$hash{$key}[15] ";
575 $$hash{$key}[15] =~ s/\:/-/g;
576 return ":$$hash{$key}[15]";
579 }elsif($$hash{$key}[13] ne '' && $$hash{$key}[13] ne 'All ICMP-Types'){
580 return "--icmp-type $$hash{$key}[13] ";
581 }elsif($$hash{$key}[13] ne '' && $$hash{$key}[13] eq 'All ICMP-Types'){
584 }elsif($$hash{$key}[14] eq 'cust_srv'){
585 if ($prot ne 'ICMP'){
586 if($$hash{$key}[31] eq 'dnat'){
587 return ":".&fwlib
::get_srv_port
($$hash{$key}[15],1,$prot);
589 return "--dport ".&fwlib
::get_srv_port
($$hash{$key}[15],1,$prot);
591 }elsif($prot eq 'ICMP' && $$hash{$key}[15] ne 'All ICMP-Types'){
592 return "--icmp-type ".&fwlib
::get_srv_port
($$hash{$key}[15],3,$prot);
593 }elsif($prot eq 'ICMP' && $$hash{$key}[15] eq 'All ICMP-Types'){
596 }elsif($$hash{$key}[14] eq 'cust_srvgrp'){
597 if ($prot ne 'ICMP'){
598 return &fwlib
::get_srvgrp_port
($$hash{$key}[15],$prot);
600 elsif($prot eq 'ICMP'){
601 return &fwlib
::get_srvgrp_port
($$hash{$key}[15],$prot);