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Doorstop X is the first Mac firewall is back...
  • Protects your Mac from outside attack.
  • Easy-to-use interface means less chance of mistakes.
  • Logs both allowed and denied access attempts.
  • Critical improvements to OS X's "built-in" firewall.
  • Available standalone or as part of the integrated DoorStop X Security Suite.

What's New

Version 2.3:
  • adds full support for Snow Leopard (10.6) as well as the many changed networking features in Leopard (10.5).
    • full support for Snow Leopard (Mac OS X 10.6)
    • integrated security book fully updated for Snow Leopard and the iPhone
    • new "News" menu
    • new Twitter stream at http://twitter.com/isfym
    • read-only support for non-admin users (requires 10.5 or later)
    • new and updated service definitions
    • bug fixes


Mac OS X 10.4.11 or later

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3 4


Current Version (2.x)


Downloads 13,187
Version Downloads 1,262
License Demo
Date 02 Nov 2010
Platform OS X / PPC 32 / Intel 32
Price $39.00
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