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Building a firewall

Hi, I'm not sure if this is in the scope of this newsgroup, so if it is not, can you tell me what newsgroup I should go to. Anyways, I would like to build a firewall in windows, and would like to know if there are any tutorials that you know of about making a firewall in C++

Reply to
someone
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Firewall architecture defines two components - kernel component that works with other subsystems (C) - controlling software (configuration, commandline and communication) (C++)

Take a look at any opensource implementation.

Reply to
OnlyOpenSource

To configure Windows' packet filter:

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To implement your own filtering, you i.e. could start here:

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If you're developing for Windows 2000 and Windows XP, you could read this:

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If you're developing for Windows Vista, you could read this:

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Yours, VB.

Reply to
Volker Birk

to add my two cents to Volker's informations; you may find some working code on sourceforge; for example the wipfw

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is a windows port of the BSD ipfw stateful packet filter and engine to windows and it uses the native windows APIs, so it may be a good starting point another SF prj is
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which, although not as "locked down" as wipfw (tdifw is a "simple" TDI level filter) may give you some more ideas

Reply to
ObiWan

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