Understanding the FTP PORT Command

You may already know that when FTP (File Transfer Protocol) commands cross the wire, they use port 21 by default. You may also know that port 20 is assigned to FTP data. Unfortunately, most FTP data sessions do not actually use port 20.

Who Needs Change Management?

You've spent thousands of dollars on that cool technology; clustering, redundant controllers, redundant disks, redundant power supplies, redundant NIC cards, multiple network drops, fancy tape backup devices and the latest and greatest tape technology. You're all set. There's no way your going to have downtime.

Get Paid in Multiple Ways for Your Expertise

Whether or not you have formal credentials, if you have years of experience in your line of work, you may be able to cash in on these four innovative ways of delivering your expertise. For each option below, Ive provided two links for learning more.