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  WIPFW 24 Sep 15

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  Bot Revolt Anti-Malware Free Edition 31 Dec 14

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  D-Guard Web Firewall Server 26 May 15

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  UserGate Proxy & Firewall 10 Apr 15

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  Using Internet Security and Acceleration (ISA) Server 2000 as a Firewall 21 Sep 15

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  Hauberk Firewall 23 Jan 15

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  Geo Firewall (64 bit) 9 Dec 14

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  Net Defender 27 May 15