Routers, Hops, Executioners and Obituaries: A Look at ICMP

ICMP is the Internet Control Message Protocol which works at Layer 3 or the Network layer. It is used for all kinds of network messaging services utilized by IP, the Internet Protocol.
In fact, here’s how it is defined by Wikipedia:

“The Internet Control Message Protocol (ICMP) is one of the core protocols of the Internet Protocol Suite. It is chiefly used by the operating systems of networked computers to send error messages indicating, for example, that a requested service is not available or that a host or router could not be reached. ICMP can also be used to relay query messages”
(see RFC 1256, if you are into that kind of thing).

Read more

Share

Read Your Yahoo! Emails Without Going Blind!

Flash and JavaScript AnnoyancesIf you are like most people, you probably have one or two email accounts with Yahoo!, Windows Live and Google. I applaud these Internet powerhouses for giving us free email accounts, but does Yahoo! Mail need to make us go blind when reading our emails? I mean, talk about Flash and JavaScript overkill!  The first thing I noticed when I logged in recently was this HUGE space taken up at the top by an ad banner after you sign in. 

Read more

Share

The iPad Hype: Much Ado About Nothing?

Apple Computers (yes, that is what it originally was) recently announced a new iPhone-like mobile computing device called the iPad. Unless you live in the most remote of Islands, I’m sure that is all you’ve heard or read about in the past week.

Read more

Share

Plan Ahead: How a Security Response Plan Can Help Your Business Expect the Unexpected


Taking steps to protect personal information in your files and on your computer can go a long way toward preventing a security breach. Nevertheless, breaches can happen.

Read more

Share
Share
Share