GAQM Updated CPEH-001 Exam Questions and Answers by dollie

The firewall itself is blocking ports 21 through 23 and a service is listening on port 23 of the target host.

The lack of response from ports 21 and 22 indicate that those services are not running on the destination server.

The scan on port 23 passed through the filtering device. This indicates that port 23 was not blocked at the firewall.

The scan on port 23 was able to make a connection to the destination host prompting the firewall to respond with a TTL error.

SYN

ACK

FIN

PSH

RST

No response

Copy the system files from a known good system

Perform a trap and trace

Delete the files and try to determine the source

Reload from a previous backup

Reload from known good media

There is no way to tell because a hash cannot be reversed

The right most portion of the hash is always the same

The hash always starts with AB923D

The left most portion of the hash is always the same

A portion of the hash will be all 0's