Monthly Archives: December 2011

How to Upgrade a Basic ASA Configuration to 8.4

The Cisco ASA has gone through a few major evolution regarding its functionality and configuration.  Version 8.4 (as well version 8.3) also results in major changes in some aspects of the configuration syntax.  This article is a first in a … Continue reading

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Merry Christmas and a Happy New Year

As the face behind PacketU.com, I wish all of my readers a very Merry Christmas and a Happy New Year. I encourage everyone to forget about Packets this season in order to enjoy time with family. Most importantly keep the … Continue reading

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Using an ASA to Establish a Guest Network

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

Posted in CCNA Security, Certification, Security, Technology | Tagged , , , | 2 Comments

Saving Time with CLI Filters

If you have dealt with routers or switches for any time at all, you realize how long and cumbersome the configuration can get. This is especially true when dealing with router configurations that include voice, zone-based firewall or anything else … Continue reading

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Using Only the Cisco CLI to Decode Type 7 Passwords

For various reasons, I often find myself needing to decode a type 7 cisco password. There are many third party tools that can do this for you. This article describes a way to get IOS based routers to show the clear … Continue reading

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