141 lines
3.7 KiB
Nix
141 lines
3.7 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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secrets-desktop = import ../configs/secrets-desktop.nix;
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secrets = import ../configs/secrets.nix;
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be = import ../configs/borg-exclude.nix;
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in
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{
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imports =
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[
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/etc/nixos/hardware-configuration.nix
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../configs/common.nix
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../configs/docker.nix
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../configs/user.nix
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];
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# Use the GRUB 2 boot loader.
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boot.loader.grub.enable = true;
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boot.loader.grub.version = 2;
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boot.loader.grub.device = "/dev/sda"; # or "nodev" for efi only
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networking.hostName = "vps"; # Define your hostname.
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# Set your time zone.
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time.timeZone = "Europe/Berlin";
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networking = {
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useDHCP = false;
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# defaultGateway = {
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# "address" = "gw.contabo.net";
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# "interface" = "ens18";
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# };
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interfaces.ens18 = {
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useDHCP = true;
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# ipv4.addresses = [ {
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# address = "207.180.220.97";
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# prefixLength = 24;
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# } ];
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ipv6.addresses = [ {
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address = "2a02:c207:3008:1547::1";
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prefixLength = 64;
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} ];
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};
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wireguard.interfaces = {
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wg0 = {
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ips = [ "10.100.0.1/24" ];
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listenPort = 51820;
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postSetup = ''
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${pkgs.iptables}/bin/iptables -t nat -A POSTROUTING -s 10.100.0.0/24 -o ens3 -j MASQUERADE
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'';
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postShutdown = ''
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${pkgs.iptables}/bin/iptables -t nat -D POSTROUTING -s 10.100.0.0/24 -o ens3 -j MASQUERADE
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'';
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privateKey = secrets.wireguard-vps-private;
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peers = [{
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publicKey = secrets.wireguard-desktop-public;
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presharedKey = secrets.wireguard-preshared;
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allowedIPs = [ "10.100.0.2/32" ];
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}
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{
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publicKey = secrets.wireguard-mini-public;
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presharedKey = secrets.wireguard-preshared;
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allowedIPs = [ "10.100.0.3/32" ];
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}];
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};
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};
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nat = {
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enable = true;
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externalInterface = "ens18";
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internalInterfaces = [ "wg0" ];
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};
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firewall = {
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allowedTCPPorts = [ 80 443 22000 ];
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allowedUDPPorts = [ 80 443 51820 ];
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interfaces.wg0 = {
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allowedTCPPorts = [ 61208 19999 ];
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};
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# extraCommands = ''
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# iptables -A nixos-fw -p tcp --source 10.100.0.0/24 --dport 19999:19999 -j nixos-fw-accept
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# '';
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};
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};
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programs.mtr.enable = true;
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security.acme.email = "webmaster@szczepan.ski";
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security.acme.acceptTerms = true;
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services = {
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fail2ban = {
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enable = true;
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jails.DEFAULT =
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''
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bantime = 7d
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'';
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jails.sshd =
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''
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filter = sshd
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maxretry = 4
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action = iptables[name=ssh, port=ssh, protocol=tcp]
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enabled = true
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'';
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};
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netdata.enable = true;
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syncthing = {
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user = "alex";
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group = "users";
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enable = true;
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dataDir = "/home/alex";
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configDir = "/home/alex/.config/syncthing";
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};
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borgbackup.jobs.home = rec {
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compression = "auto,zstd";
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encryption = {
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mode = "repokey-blake2" ;
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passphrase = secrets-desktop.borg-key;
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};
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extraCreateArgs = "--list --stats --verbose --checkpoint-interval 600 --exclude-caches";
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environment.BORG_RSH = "ssh -i /home/alex/.ssh/id_borg_rsa";
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paths = "/home/alex";
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repo = "ssh://u278697-sub3@u278697.your-storagebox.de:23/./borg";
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startAt = "daily";
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# user = "alex";
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prune.keep = {
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daily = 7;
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weekly = 4;
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monthly = 6;
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};
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extraPruneArgs = "--save-space --list --stats";
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exclude = map (x: paths + "/" + x) be.borg-exclude;
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};
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};
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# Limit stack size to reduce memory usage
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systemd.services.fail2ban.serviceConfig.LimitSTACK = 256 * 1024;
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system.stateVersion = "21.05";
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}
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