51 lines
1.5 KiB
Nix
51 lines
1.5 KiB
Nix
{
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lib,
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pkgs,
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config,
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...
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}: {
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config = lib.mkIf config.services.fail2ban.enable {
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environment.etc = {
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"fail2ban/filter.d/nginx.local".text = lib.mkIf config.services.nginx.enable (
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pkgs.lib.mkDefault (pkgs.lib.mkAfter ''
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[Definition]
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failregex = "limiting requests, excess:.* by zone.*client: <HOST>"
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'')
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);
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};
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services.fail2ban = {
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maxretry = 5;
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ignoreIP = [
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# Whitelist local networks
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"10.0.0.0/8"
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"172.16.0.0/12"
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"192.168.0.0/16"
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# tail scale tailnet
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"100.64.0.0/10"
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"fd7a:115c:a1e0::/48"
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];
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bantime = "24h"; # Ban IPs for one day on the first ban
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bantime-increment = {
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enable = true; # Enable increment of bantime after each violation
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formula = "ban.Time * math.exp(float(ban.Count+1)*banFactor)/math.exp(1*banFactor)";
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maxtime = "168h"; # Do not ban for more than 1 week
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overalljails = true; # Calculate the ban time based on all the violations
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};
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jails = {
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nginx-iptables.settings = lib.mkIf config.services.nginx.enable {
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enabled = true;
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filter = "nginx";
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action = ''iptables-multiport[name=HTTP, port="http,https"]'';
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backend = "auto";
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findtime = 600;
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bantime = 600;
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maxretry = 5;
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};
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# TODO; figure out if there is any fail2ban things we can do on searx
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# searx-iptables.settings = lib.mkIf config.services.searx.enable {};
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};
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};
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};
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}
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