I don’t know that there’s best common practice for this device…It really just depends on your business needs. I wrote some <a href=”www.principlelogic.com/docs/Firewall_Best_Practices.pdf”>general firewall best practices</a> that may help. Let us know if you have any specific questions.
For some general best practice documents always consider <a href=”http://csrc.nist.gov/publications/PubsSPs.html”>NIST publications</a>. Check out the Special Publication 800-41 Guidelines on Firewalls and Firewall Policy and it’s proposed revision.
In the IT trenches? So am I – read my <a href=”http://itknowledgeexchange.techtarget.com/it-trenches”>IT-Trenches blog</a>