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  ZoneAlarm Pro Firewall 7 Mar 18

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  Kerio Control VPN Client (32 bit) 21 Jan 15

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  PeerBlock Portable (32-bit) 27 May 15

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  Look 'n' Stop Personal Firewall 23 Sep 15

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  XP Protection 25 Oct 15

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  PeerBlock Portable (64-bit) 15 Apr 15

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

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  Xvirus Personal Firewall 8 Mar 17