nixpkgs/pkgs/tools/security/sshguard/default.nix

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{ lib, stdenv, fetchurl, autoreconfHook, bison, flex}:
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stdenv.mkDerivation rec {
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version = "2.4.2";
pname = "sshguard";
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src = fetchurl {
url = "mirror://sourceforge/sshguard/${pname}-${version}.tar.gz";
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sha256 = "1s1prqdbxjrd1n3j4x8ggy9gl2j0ax6xhkzcvyzajw7awmvbfw17";
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};
doCheck = true;
nativeBuildInputs = [ autoreconfHook bison flex ];
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configureFlags = [ "--sysconfdir=/etc" ];
meta = with lib; {
description = "Protects hosts from brute-force attacks";
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longDescription = ''
SSHGuard can read log messages from various input sources. Log messages are parsed, line-by-line, for recognized patterns.
If an attack, such as several login failures within a few seconds, is detected, the offending IP is blocked.
'';
homepage = "https://sshguard.net";
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license = licenses.bsd3;
maintainers = with maintainers; [ sargon ];
platforms = with platforms; linux ++ darwin ++ freebsd ++ netbsd ++ openbsd;
};
}