John is using Firewalk to test the security of his Cisco PIX firewall.

Vendor: ECCouncil
Product: EC0-479
Update on: Jul 25, 2025
Questions: 232

ECCouncil EC0-479 Question Answer

John is using Firewalk to test the security of his Cisco PIX firewall. He is also utilizing a sniffer located on a subnet that resides deep inside his network. After analyzing the sniffer log files, he does not see any of the traffic produced by Firewalk. Why is that?

Firewalk sets all packets with a TTL of zero

Firewalk cannot pass through Cisco firewalls

Firewalk sets all packets with a TTL of one

Firewalk cannot be detected by network sniffers