Tag Archives: firewall

It is not uncommon to visit a small to medium sized customer for a first time and find a wireless and/or guest network that compromises security for the rest of the network. Organizations that lack policies and procedures for their … Continue reading →

One of the frustrating things about the Cisco ASA is that it does not support policy based routing, or pbr.  With pbr, an administrator can get very granular with routing IP traffic.  For example, an access-list can match traffic and … Continue reading →

I think anyone who has dealt with the ASA has to admit that it sometimes doesn’t behave as they’d expect.  One of the more memorable times for me was when I used the alias command to do dns translation.  Unfortunately, … Continue reading →

If you happen to be in the security field or if you deal with a large number of computers, you probably have heard of the new vulnerability in the Microsoft Windows operating system.  This latest vulnerability leaves systems susceptible to … Continue reading →

I posted a couple of questions to Twitter this morning as both a challenge and a learning experience for myself and others. These two questions were as follows: How does the ASA in transparent mode know which interface remote networks … Continue reading →

I was introduced to the ASA “VPNSETUP” command by a Matt over on IPExeperts “Online Study List”.  Its a different type of command that whan we normally find in Cisco gear.  Basically it allows you to see all of the … Continue reading →

Ten or twelve years ago, a company with a firewall was likely ahead of the curve.   During the early era of the internet, most companies were concerned more with getting connected than the security ramifications of it.  Companies used simple … Continue reading →