53 lines
1.6 KiB
Nix
53 lines
1.6 KiB
Nix
{ config, lib, pkgs, ... }:
|
|
with lib;
|
|
{
|
|
options.features.network.fail2ban.enable = mkOption {
|
|
type = lib.types.bool;
|
|
default = false;
|
|
};
|
|
|
|
config = mkMerge [
|
|
(mkIf config.features.network.fail2ban.enable {
|
|
environment.systemPackages = [ pkgs.fail2ban ];
|
|
services.fail2ban = {
|
|
enable = true;
|
|
#package = pkgs.legacy_2311.fail2ban;
|
|
jails = { };
|
|
};
|
|
})
|
|
|
|
# custom defined jails
|
|
# --------------------
|
|
# https://github.com/fail2ban/fail2ban/blob/master/config/jail.conf
|
|
(mkIf config.features.network.fail2ban.enable {
|
|
services.fail2ban.jails.nginx-git-not-found.settings = {
|
|
port = "http,https";
|
|
logpath = "%(nginx_error_log)s";
|
|
};
|
|
environment.etc = {
|
|
# Defines a filter that detects URL probing by reading the Nginx access log
|
|
"fail2ban/filter.d/nginx-git-not-found.local".text = ''
|
|
[Definition]
|
|
failregex = src_addr="<HOST>".*response_statu="404".*host="git\.ingolf-wagner\.de"
|
|
journalmatch = _SYSTEMD_UNIT=nginx.service
|
|
'';
|
|
};
|
|
})
|
|
(mkIf config.features.network.fail2ban.enable {
|
|
services.fail2ban.jails.nginx-git-bad-request.settings = {
|
|
port = "http,https";
|
|
logpath = "%(nginx_error_log)s";
|
|
};
|
|
environment.etc = {
|
|
# Defines a filter that detects URL probing by reading the Nginx access log
|
|
"fail2ban/filter.d/nginx-git-bad-request.local".text = ''
|
|
[Definition]
|
|
failregex = src_addr="<HOST>".*response_statu="400".*host="git\.ingolf-wagner\.de"
|
|
journalmatch = _SYSTEMD_UNIT=nginx.service
|
|
'';
|
|
};
|
|
})
|
|
|
|
];
|
|
|
|
}
|