During the holiday season I’m staying with the mom of my girlfriend. As always when visiting family and friends, I check their computers on viruses, Trojans and so on.

Recently I gained some nice and positive experiences with Kaspersky Antivirus, so I decided to remove Norton Antivirus from the PC and install Kaspersky. This being an older computer, all the resources i could gain would have a positive effect on the daily use.

Kaspersky detected quite some viruses and Trojans that Norton hadn’t detected before, even though both had the latest updates installed. Kaspersky notified me of cfgmgr3.dll being a Trojan, this is where my quest began…

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At the office we use Pound as a reverse proxy for Microsoft Exchange 2007 (and previously Microsoft Exchange 2003). This has been working fine with Exchange 2003, but with Exchange 2007 we were having some challenges.

Basicly when you would use Internet Explorer to log into OWA, you would most likely get a 500 Internal server error. In for instance Firefox, it would always work just fine. We did have this problem with Exchange 2003, but less frequent.

The Pound logfiles would show something along the lines of:
Dec 16 15:00:39 proxy pound: e500 can’t read header
Dec 16 15:00:39 proxy pound: response error read from 192.168.123.123:80: Succes

This is very simular to this old post on the Pound mailing list.

I asked 2 colleages of mine to look into this challenge and they managed to find the solution, the next is all thanks to them! Kudos to those guys, I would just like to share it with the rest of the world

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