nixpkgs/pkgs/tools/networking/nat-traverse/default.nix

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{ stdenv, fetchurl, perl }:
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stdenv.mkDerivation rec {
name = "nat-traverse-${version}";
version = "0.7";
src = fetchurl {
url = "https://www.speicherleck.de/iblech/nat-traverse/nat-traverse-${version}.tar.bz2";
sha256 = "0knwnqsjwv7sa5wjb863ghabs7s269a73qwkmxpsbngjw9s0j2ih";
};
nativeBuildInputs = [ perl ];
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installPhase = ''
mkdir -p $out/bin $out/share/man/man1
cp nat-traverse $out/bin
gzip -c nat-traverse.1 > $out/share/man/man1/nat-traverse.1.gz
'';
meta = with stdenv.lib; {
description = "NAT gateway traversal utility";
longDescription = ''
nat-traverse establishes direct connections between nodes which are
behind NAT gateways, i.e. hosts which do not have public IP addresses.
This is done using an UDP NAT traversal technique. Additionally, it's
possible to setup a small VPN by using pppd on top of nat-traverse.
nat-traverse does not need an external server on the Internet, and it
isn't necessary to reconfigure the involved NAT gateways, either.
nat-traverse works out-of-the-box.
'';
homepage = https://www.speicherleck.de/iblech/nat-traverse/;
license = licenses.gpl3Plus;
platforms = platforms.all;
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maintainers = [ maintainers.iblech ];
};
}