Network tools are essential for solving issues with a computer network that is not performing as it should. There are quite a few things can do to aid in returning a network to its rightful state, and ...

I'm looking for some clarity on the inner workings of traceroute and ping record-route. Here's my understanding.<BR><BR>Traceroute sends UDP (ports 33434-33534) packets with a destination IP as ...

Network troubleshooting can challenge even the most experienced IT professionals. New issues can crop up any time a device is added or the network changes, and it can be difficult to determine exactly ...

In the previous lesson, we reviewed the ICMP (Internet Control Message Protocol). It’s the basis for the applications ping and traceroute. If you recall from that lesson, when you ping an address with ...

With the help of GFI.com’s Talk Tech To Me blog, we’ve compiled a list of 10 free software downloads designed to help router and IP administrators handle their tasks with as little cost as possible.

When we began this series, we discussed the ICMP (Internet Control Message Protocol). This protocol is the basis for two widely used applications, ping and traceroute. In this lesson and the next, we ...

When interviewing people for an IT network support position, you need to be able to objectively evaluate their skills. Part of this is resume-based: From certifications, previous positions held and ...

Some firewalls can be configured to ignore ping requests, preventing external hackers from gaining security information about a network. This "stealth mode" makes your office devices less of a target ...