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38 lines
920 B
Nix
38 lines
920 B
Nix
{ config, lib, pkgs, ... }:
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let
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hostCfg = config.hosts.plover;
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cfg = hostCfg.services.fail2ban;
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inherit (import ../hardware/networks.nix) interfaces;
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in
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{
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options.hosts.plover.services.fail2ban.enable =
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lib.mkEnableOption "fail2ban monitoring";
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config = lib.mkIf cfg.enable {
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services.fail2ban = {
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enable = true;
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bantime-increment = {
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enable = true;
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factor = "4";
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maxtime = "24h";
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overalljails = true;
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};
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extraPackages = with pkgs; [ ipset ];
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ignoreIP = [
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# VPN clients.
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"${interfaces.wireguard0.IPv4.address}/13"
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"${interfaces.wireguard0.IPv6.address}/64"
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];
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# We're going to be unforgiving with this one since we only have key
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# authentication and password authentication is disabled anyways.
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jails.sshd.settings = {
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enabled = true;
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maxretry = 1;
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};
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};
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};
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}
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