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  UserGate Proxy & Firewall 10 Apr 15

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  XWall for Windows 2000 (32-bit) 26 Jan 15

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  Secure 22 Sep 15

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  Natural-Studios Port Guard 24 Sep 15

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  Wallparse 18 Jun 16

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

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  UserGate Proxy and Firewall 31 Dec 14

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  OA Blocklist Manager 3 May 15