For the past 2 years I have had an issue on my network thatcontinues to grow in frequency. Random users (at random times) lose authentication to the Ironport device. I can alwaystell when this happens since the browser bar will suddenly show a web ad...

I've just recently began having issues with access tofacebook.com in my organization. (Within the past two weeks). I'm assuming the latest upgrade may have started this issue. The page intermittently has issues on most users systems (but not all). Th...

I updated my S650 appliances last week to v6 and I have been having problems with my NAT configuration ever since. This may not be tied to the update, but no other changes were made. I use NAT to port SSL traffic to my webmail server while port 25 sh...

I just recently purchased two S650s for my organization assuming that it could be configured like our C150s (clustered). Now that I actually hooked up the second device I found my assumption to be wrong. What is the best way to configure them for loa...