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Yemi Fowe wrote: | Hello aal, | Pls i want to know how i can make my Linux firewall | can block viruses from entering my network. | Thank
I don't know how much you can use LARTC for this particular end, but you can setup a deny-by-default firewall that will help already infected machines from getting out to the rest of the world.
You might look at securing your apps on a more specific level, such as scanning/filtering your e-mail and web downloads. This is accomplished with mail/spam scanning software that has an antivirus engine integrated with the mail server to detect spam and virii, along with web proxy caching software that also has an antivirus engine integrated to scan all incoming content. You might also add an Intrusion Detection System to your firewall. Note, the more you add, the better machine you will need to have (processor and RAM, especially).
The company I work for has worked on integrating antivirus support into DansGuardian in order to allow for scanning all incoming web content for virii. We also use MailScanner/SpamAssassin.
You can check them out at http://www.pcxperience.org.
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