ip address News and Other Resources

Blog Post

Move your Hotmail.com account to an Outlook.com account

April 2, 2013 11:03am PDT

Greg Shultz shows you how to move from Hotmail.com to Outlook.com now instead of waiting for Microsoft to do it for you later.

12 Latest comment by NickNielsen

Blog Post

Reset your password in Windows 8

May 9, 2013 12:35pm PDT

To reset a password in Microsoft Windows 8 you have to use the online version of the Reset your password tool.

11 Latest comment by Peuiry

Blog Post

Use EDATE() and relative addressing to create a quick date matrix in Excel

May 28, 2013 12:26am PDT

With a little planning, you can create an easy-to-implement date matrix in Microsoft Excel.

7 Latest comment by jshewsbury@...

Blog Post

Tips for choosing your professional email address

September 13, 2011 7:14am PDT

Your professional email address is like a handshake to clients. Chip Camden advises what to do and what not to do when creating that email address.

17 Latest comment by Sterling "chip" Camden

Blog Post

Quick Tips: Flush the ARP cache in Windows 7

May 12, 2011 11:44am PDT

Jack Wallen shows you how to clear the Address Resolution Protocol cache and how to manage that cache with a few command switches.

6 Latest comment by seanferd

Blog Post

10+ ways to find out someone's e-mail address

November 21, 2008 11:40am PST

It would be nice if you could just pull out a directory and look up the e-mail address of anyone you wanted to contact. Unfortunately, a bit more resourcefulness is required. Here's an assortment...

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Blog Post

How to spoof a MAC address

January 22, 2008 1:28pm PST

MAC address filtering for wireless networking isn't real "security". Anyone who pays any attention to current trends in wireless security at all should know that MAC filtering is less effective...

63 Latest comment by Doug Vitale

Blog Post

How to send email to groups efficiently with Google Apps

October 1, 2012 1:02pm PDT

Google Groups is the most powerful way to communicate with a group of email users.

5 Latest comment by jimmy.mx

Blog Post

Configure static NAT for inbound connections

June 6, 2007 8:50am PDT

Someone recently asked me how to configure Network Address Translation (NAT) so that computers on the Internet could access his internal Web and mail server through his Cisco router. This requires...

11 Latest comment by osaid.suliebi@...

Blog Post

How to determine what device is on what port on your Cisco switch

November 8, 2007 2:58pm PST

When your network is in crisis, it's important to know which device is connected to which switch port without having to run to the network room. David Davis discusses network analysis applications...

37 Latest comment by paulroberts

Articles

Subnetting a Class B network address

May 29, 2001 7:00am PDT

Subnetting a Class B network can involve some serious thought! As a network administrator, you'll have to know it and know it well. Todd Lammle walks you through clear instructions and simple...

18 Latest comment by allan ainomugisha

Blog Post

Configure Apache to support multiple SSL sites on a single IP address

October 19, 2009 6:00am PDT

With Apache 2.2.12 and support for the SNI (Server Name Indication) extension to the SSL protocol, you can configure name-based HTTPS sites, just as you can name-based HTTP sites. Vincent Danen...

2 Latest comment by Lunfa

Blog Post

10 Outlook defaults you can customize to work the way YOU want

August 23, 2012 5:38am PDT

By changing just a few settings, you can configure Outlook to match your needs and working style.

4 Latest comment by marj@...

Articles

Subnetting a Class C network address

May 24, 2001 7:00am PDT

Subnetting a Class C network can be a tricky process to master. From MCSE to CCNA to RHCE to CNE, you'll have to know it and know it well. Todd Lammle walks you through clear instructions and...

15 Latest comment by renygeek

Articles

Cisco administration 101: Five interface commands you should know

August 10, 2006 7:29pm PDT

Whether you're a seasoned admin or a newbie, it's always a good idea to review from time to time. When working with routers and switches, you usually don't have to configure an interface using the...

12 Latest comment by Syed Abdul Ali

Articles

Set up Port Address Translation (PAT) in the Cisco IOS

May 14, 2002 7:00am PDT

NAT is a valuable tool for admins, both for conserving public IP addresses and securing internal resources. Several variations of NAT are available, including its cousin PAT. See the differences...

3 Latest comment by jatin.kapoor@...

Blog Post

Exchange 2007: How to allow relay exceptions

October 26, 2007 11:14am PDT

Although allowing unfettered relaying of e-mail through your Exchange 2007 server should be avoided, there are situations in which allowing relaying is desirable. For example, suppose you have an...

7 Latest comment by jcarroll@...