EC-Council
EC0-350 · Question #778
To scan a host downstream from a security gateway, Firewalking:
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Question
To scan a host downstream from a security gateway, Firewalking:
Options
- ASends a UDP-based packet that it knows will be blocked by the firewall to determine how specifically
- BUses the TTL function to send packets with a TTL value set to expire one hop past the identified
- CSends an ICMP ''administratively prohibited'' packet to determine if the gateway will drop the packet
- DAssesses the security rules that relate to the target system before it sends packets to any hops on the
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