For system admins, one of the most important tasks is keeping an eye on the network. When things go bad in your world, a rogue ne'er-do-well could be the cause. Whether that malicious entity is a hacker, a compromised system, or a bad piece of hardware, it's essential to sniff out the issue.
To that end, you need the right tools. One of the first tools you might turn to is an IP traffic monitoring tool. The good news is that there are tons of these tools ready to serve you. The bad news… some of them are a bit complex. That's why I thought I'd find the easiest IP traffic monitoring tools and list five of them for your network monitoring pleasure.
Note: This gallery is also available as an article.