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

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Nix

{ stdenv, fetchurl, autoreconfHook, yacc, flex}:
stdenv.mkDerivation rec {
version = "2.4.1";
pname = "sshguard";
src = fetchurl {
url = "mirror://sourceforge/sshguard/${pname}-${version}.tar.gz";
sha256 = "0rrwmx91ifvc61wkld8gjkmfsq0ixxmf7m8fg4addkkxwvk04pc7";
};
doCheck = true;
nativeBuildInputs = [ autoreconfHook yacc flex ];
configureFlags = [ "--sysconfdir=/etc" ];
meta = with stdenv.lib; {
description = "Protects hosts from brute-force attacks";
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";
license = licenses.bsd3;
maintainers = with maintainers; [ sargon ];
platforms = with platforms; linux ++ darwin ++ freebsd ++ netbsd ++ openbsd;
};
}