Networking 101: understanding (and using) ICMP
As Networking 101 begins moving on up the stack toward the layers involved with routing, we must pause for a moment. Some attention needs to be paid to the most misunderstood protocol: ICMP. Managers and administrators alike should understand what ICMP is really used for if they plan on making firewall policy decisions, and administrators can use ICMP knowledge to fully understand routing issues.
At Enterprise Networking Planet.
[ Read more ]
By subscribing to our early morning news update, you will receive a daily digest of the latest security news published on Help Net Security.
With over 500 issues so far, reading our newsletter every Monday morning will keep you up-to-date with security risks out there.