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51 lines
1.9 KiB
Go
51 lines
1.9 KiB
Go
// Copyright 2011 Miek Gieben. All rights reserved.
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// Lisenced under the GPLv2
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/*
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Funkensturm rewrites DNS packets in the broadest sense of the word.
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The rewriting can include delayed (re)sending of packets, (re)sending
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packets to multiple servers, rewriting the packet contents, for instance
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by signing a packet, or the other way around, stripping the signatures.
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In its essence this is no different that a recursive nameserver, which also
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receives and sends queries. The difference is the huge amount of tweaking
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Funkensturm offers.
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The configuration of Funkensturm is done by writing it in Go - a
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separate configuration language was deemed to be unpractical and
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would limit the possibilities.
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Usage:
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funkensturm [flags]
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The flags are:
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-sserver
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Listener address and port for the server. This has to be
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specified as: address:port, for instance 127.0.0.1:8053.
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This is also the default.
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-rserver
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Remote server address in address:port format. This can be
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repeated, for each rserver a resolver channel is created.
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The first begin `qr[0]`, the second `qr[1]`, etc.
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The default is: 127.0.0.1:53
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Debugging flags:
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-verbose
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Print packets as they flow through Funkensturm.
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Predefined configurations are shown in `config_delay.go` and `config_sign.go`. The
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default `config.go` implements a transparant proxy.
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Also see: http://www.miek.nl/blog/archives/2011/01/23/funkensturm/index.html for
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a architectural overview.
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In FunkenSturm you define chains named Funk's (maybe just 'chain' is a better name). Each Funk
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consists out of match and action function. If the match function matches (return true) the
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action function is called.
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Multiple Funk's may be used. The first 'true' value win and that action function is performed.
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*/
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package documentation
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