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[FW-1] AW: [FW-1] security hole isakmp



i take a tcpdump on the scanner and found out the following
i take a tcpdump on the scanner and found out the following

nmap didn´t found the port

09:33:26.858000 scanner.57345 > firewall.isakmp: udp 0
09:33:26.876045 firewall > scanner: icmp: firewall udp port isakmp
unreachable

----------------------------------------------------------------------------
-

nessus found the hole at checkpoint

.............
09:35:49.411438 scanner.isakmp > firewall.isakmp: udp 379
09:35:49.422596 scanner.isakmp > firewall.isakmp: udp 379
09:35:49.423850 firewall > scanner: icmp: firewall udp port isakmp
unreachable
09:35:49.431030 firewall > scanner: icmp: firewall udp port isakmp
unreachable
09:35:49.434197 scanner.isakmp > firewall.isakmp: udp 379
09:35:49.441981 firewall > scanner: icmp: firewall udp port isakmp
unreachable
09:35:49.445098 scanner.isakmp > firewall.isakmp: udp 379
09:35:49.453705 firewall > scanner: icmp: firewall udp port isakmp
unreachable
09:35:49.456342 scanner.isakmp > firewall.isakmp: udp 379
09:35:49.465671 firewall > scanner: icmp: firewall udp port isakmp
unreachable
09:35:49.467281 scanner.isakmp > firewall.isakmp: udp 379
09:35:49.470999 scanner.vlsi-lm > firewall.isakmp: udp 0
09:35:49.475742 firewall > scanner: icmp: firewall udp port isakmp
unreachable
09:35:49.487013 firewall > scanner: icmp: firewall udp port isakmp
unreachable

----------------------------------------------------------------------------
----

nessus didn´t found the hole at iptables

............
09:55:14.473392 195.245.49.114.isakmp > 80.136.252.200.isakmp: udp 379
09:55:14.483702 195.245.49.114.isakmp > 80.136.252.200.isakmp: udp 379
09:55:14.494238 195.245.49.114.isakmp > 80.136.252.200.isakmp: udp 379
09:55:14.504476 195.245.49.114.isakmp > 80.136.252.200.isakmp: udp 379
09:55:14.515191 195.245.49.114.isakmp > 80.136.252.200.isakmp: udp 379
09:55:14.525449 195.245.49.114.isakmp > 80.136.252.200.isakmp: udp 379
09:55:14.529545 195.245.49.114.vlsi-lm > 80.136.252.200.isakmp: udp 0

----------------------------------------------------------------------------
---

it seem´s that the unreachable packet was the problem

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