SBS Security - workstation and caller both point to your server and the error is about logon/logoff failurehttp://192.168.2.20/blogs/doverton/archive/2006/06/09/558.aspxI recently created a FTP site to enable uploading of pictures for my blog entries by Word 2007 and suddenly I started getting lots of errors on my system. They took the form of: Event Type: Failure Audit Event Source: Security Event Category: Logon/LogoffenCommunityServer 2008.5 SP2 (Build: 40407.4157)re: SBS Security - workstation and caller both point to your server and the error is about logon/logoff failurehttp://192.168.2.20/blogs/doverton/archive/2006/06/09/558.aspx#1980Tue, 12 Sep 2006 16:39:36 GMT72050d9c-4f41-4a16-9f70-ebbf2c98a2c7:1980David Overton<p>alas, a firewall is not the answer - the joys of FTP means that it is a text based login, so always open to this type of abuse. &nbsp;A application layer firewall, such as ISA can help here, but otherwise, if you run ftp, you have to accept your machine is open to attack</p> <div style="clear:both;"></div><img src="http://192.168.2.20/aggbug.aspx?PostID=1980" width="1" height="1">re: SBS Security - workstation and caller both point to your server and the error is about logon/logoff failurehttp://192.168.2.20/blogs/doverton/archive/2006/06/09/558.aspx#1979Tue, 12 Sep 2006 16:23:40 GMT72050d9c-4f41-4a16-9f70-ebbf2c98a2c7:1979KevinDavid, You ever figure out how to stop this from happening? I'm guessing a nicely tuned firewall is the best option? Thanks<div style="clear:both;"></div><img src="http://192.168.2.20/aggbug.aspx?PostID=1979" width="1" height="1">