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Blocking files at a firewall

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by doris.derrick 1 view

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In the article titled "What's the next big virus coming down the pipe" by Robert Vibert, one of his bullet points was "If you don't have to use files with problem extensions (exe, vbsw, and so forth), block them at the firewall in both directions."How do we do that - can it be done on a hardware firewall? We have a Pix firewall and are told it we cannot do that.

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by rdavies

When properly configured, PIX Firewalls can secure your network from outside threats. The PIX Firewall is not a turn-key system and as such you have to program it to identify which hosts can access your inside network and which cannot.The PIX Firewall will not prevent all forms of security threats,such as attachments in emails but is mainly to prevent and repel network attacks etc... There are several products in the market that will enable you to filter and protect at this level such as MailMarshal which allows a single command line of deny *.exe or *.vbs and will strip these off the email before passing to the mail server of choice. Beware though that some of these products also require specific anti virus programs to work

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by estebandelatorre

Firewalls can't do that as you said.
That may means a kind of attachment blocking that you may perform in your email servers.
InterScan Virus Wall, performs that kind of blocking (www.trend.com=

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