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Latest postings by Michael Seese

A proxy firewall is one of the safest but also one of the slowest.  As is the case with a lot of information security, there often is a ...more>>
When referring to someone’s state, as in “state of confusion,” you are referring to a (hopefully) temporary condition.&nbs ...more>>
As the name would imply, an access control list, or ACL, says who can and can't enter your firewalls.  Good security practice dictates ...more>>
Technology aside, encryption is really nothing more than the use of a secret code to hide information from the people to whom you wish to ke ...more>>
I could swear that I posted this.  But I can't find any reference, so I'll try again... Packet-filtering firewalls examine only a limi ...more>>
Firewalls are one of the basic defense technologies.  Even the name sounds strong!  Originally, they were deployed around the peri ...more>>
The previous posts outlined the basics of networks and communications.  I don’t believe that you wasted your time reading it.&nbs ...more>>
 
When I send an email from, say, my work PC to a friend at his corporate email address, my message is broken into packets and passed to my co ...more>>
If you want to determine your own personal IP address, and a host of other things you might really be happier not knowing about your compu ...more>>
Perhaps a bit esoteric, but let's consider DHCP... Dynamic host configuration protocol, an update/extension of the boot protocol (or BOOTP) ...more>>
In order for information to be sent across the Internet, both parties in the conversation need a unique address.  After all, my web bro ...more>>
The Internet is a network of networks, the “mother of all WANs.” In other words, it is a bunch of intranets which can talk to each other ...more>>
Intranets are everywhere. I would wager that every person reading this post uses one or two different intranets each day. You may even c ...more>>
Before diving into the details of the Internet and networks in general, I wanted to cover a few bona fide propeller-head concepts. I alrea ...more>>
Before diving into the details of the Internet and networks in general, we need to cover a few bona fide propeller-head concepts. Today, i ...more>>
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