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  BotFence 7 Apr 16

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  Allesta Firewall 22 Sep 15

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  Natural-Studios Port Guard 24 Sep 15

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  iolo Firewall 14 Jul 15

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  Filseclab 29 Apr 18

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  DefenseWall Personal Firewall 25 Jan 15

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

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  BitGuard Personal Firewall 25 Oct 15