Check the FAQ. > -----Original Message----- > From: Niki Blowfield : Exchange [mailto:[EMAIL PROTECTED]] > Sent: Tuesday, May 07, 2002 3:49 AM > To: Exchange Discussions > Subject: Attachments to block > > > Dear All, > > I havent had any success searching the archives to get the > answer to this no doubt frequentley asked question > > Does anyone have a resource for a list of attachments that > should be blocked at our Exchange Server? > > We have Trend Scanmail which makes it very easy to block > attachments, and I have put into here manually some > extensions that I believe should be stopped, as well as some > I have picked up from web searches. > > Is it reasonable to block all htm/html attachments? One of > our clients got an alert about the Klez virus last week, > which it found in an attached htm file which was in the Temp > internet folder cache, Officescan quarantined it okay. This > threw me somewhat as I assumed we would be protected by an up > to date Scanmail looking for the various BAT EXE or SCR extensions > > Any examples of a list of file extensions you block would be great > > Also, apart from the newest MS Security Bulletins, is the > windowsupdate site a reliable way of keeping clients and > servers secure? Obviously we pay particular attention to > updates on our servers, but rely on windowsupdate alone to > keep our clients up to date
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