forked from KptltD00M/nixy
KptltD00M
5082521524
- Introduced `default-creds` module for managing default credentials with Umami integration. - Added `fail2ban` module for brute-force attack protection with configurable ban times. - Created `firewall` module to enable and configure basic firewall settings. - Implemented `gitea` module for self-hosted Git service with PostgreSQL backend. - Developed `glance` module for a customizable dashboard with various widgets and themes. - Added `iknowyou` module for a self-hosted password manager with production and demo environments. - Introduced `kernel-hardening` module for enhancing kernel security settings. - Created `mazanoke` module for a simple web application with Nginx integration. - Added `mealie` module for a self-hosted meal planning application. - Implemented `stirling-pdf` module for PDF generation service. - Developed `umami` module for self-hosted analytics with secret management. - Added `ssh` module for secure SSH configuration with user restrictions. - Introduced `nixy` theme for a customized aesthetic experience across services.
73 lines
2.8 KiB
Nix
73 lines
2.8 KiB
Nix
{
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lib,
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config,
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}:
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# Returns a NixOS module (attrset), to be used in `imports`.
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#
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# Options:
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# internet - allow outbound internet access via NAT (default: false)
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# externalInterface - WAN interface for NAT, required when internet = true
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# bindMounts - host paths to mount into the container (see containers.<name>.bindMounts)
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# config - NixOS module for the container
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let
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nginxHardening = {config, ...}:
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lib.mkIf config.services.nginx.enable {
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services.nginx.serverTokens = false;
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};
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in {
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mkContainer = {
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name,
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hostIp,
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containerIp,
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internet ? false,
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externalInterface ? config.var.networkInterface,
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bindMounts ? {},
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nixosConfig,
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}:
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assert lib.assertMsg (lib.stringLength "ve-${name}" <= 15)
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"mkContainer: interface name 've-${name}' is ${toString (lib.stringLength "ve-${name}")} chars, max is 15";
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{
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containers.${name} = {
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autoStart = true;
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privateNetwork = true;
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hostAddress = hostIp;
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localAddress = containerIp;
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inherit bindMounts;
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config = {...}: {
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imports = [
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nixosConfig
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nginxHardening
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];
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networking.nameservers = lib.mkIf internet [
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"1.1.1.1"
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"1.0.0.1"
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];
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};
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};
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}
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// (lib.optionalAttrs internet {
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boot.kernel.sysctl."net.ipv4.ip_forward" = lib.mkDefault true;
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networking.nat = {
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enable = true;
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externalInterface = externalInterface;
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internalInterfaces = ["ve-${name}"];
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};
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# CONTAINER-FWD (defined by another module) blocks all forwarding by default.
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# Insert rules in FORWARD before it: allow return traffic, block LAN, allow internet.
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networking.firewall.extraCommands = ''
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iptables -I FORWARD 1 -s ${containerIp} -m conntrack --ctstate NEW -j ACCEPT
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iptables -I FORWARD 1 -s ${containerIp} -d 192.168.0.0/16 -j DROP
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iptables -I FORWARD 1 -s ${containerIp} -d 172.16.0.0/12 -j DROP
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iptables -I FORWARD 1 -s ${containerIp} -d 10.0.0.0/8 -j DROP
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iptables -I FORWARD 1 -d ${containerIp} -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
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'';
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networking.firewall.extraStopCommands = ''
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iptables -D FORWARD -s ${containerIp} -m conntrack --ctstate NEW -j ACCEPT 2>/dev/null || true
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iptables -D FORWARD -s ${containerIp} -d 192.168.0.0/16 -j DROP 2>/dev/null || true
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iptables -D FORWARD -s ${containerIp} -d 172.16.0.0/12 -j DROP 2>/dev/null || true
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iptables -D FORWARD -s ${containerIp} -d 10.0.0.0/8 -j DROP 2>/dev/null || true
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iptables -D FORWARD -d ${containerIp} -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT 2>/dev/null || true
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'';
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});
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}
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