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Fix CrowdSec: enable LAPI server and expose config.yaml for bouncer registration

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Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
ediblerope 2026-04-05 23:12:45 +01:00
parent 2b090f1a35
commit 9958198209
1 changed files with 19 additions and 9 deletions
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28
services/crowdsec.nix
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@ -1,27 +1,37 @@
{ config, lib, ... }: { config, lib, pkgs, ... }:
{ {
config = lib.mkIf (config.networking.hostName == "FredOS-Mediaserver") { config = lib.mkIf (config.networking.hostName == "FredOS-Mediaserver") {
services.crowdsec = { services.crowdsec = {
enable = true; enable = true;
autoUpdateService = true; autoUpdateService = true;
# Install detection collections on first boot
hub.collections = [ "crowdsecurity/linux" "crowdsecurity/sshd" ];
settings = {
# Enable the Local API server (required for bouncer registration)
general.api.server.enable = true;
# Where the LAPI client credentials will be written on first boot
lapi.credentialsFile = "/var/lib/crowdsec/state/lapi-credentials.yaml";
};
localConfig.acquisitions = [ localConfig.acquisitions = [
# SSH # SSH brute-force detection
{ {
source = "journalctl"; source = "journalctl";
journalctl_filter = [ "-u" "sshd" ]; journalctl_filter = [ "-u" "sshd" ];
labels.type = "syslog"; labels.type = "syslog";
} }
# Nginx Proxy Manager (Docker logs via journald)
{
source = "journalctl";
journalctl_filter = [ "-u" "docker" "-t" "nginx-proxy-manager" ];
labels.type = "nginx";
}
]; ];
}; };
# Firewall bouncer — auto-registers to local CrowdSec API # The bouncer-register service uses raw cscli (no -c flag), so it looks for
# config at /etc/crowdsec/config.yaml. Symlink the Nix-generated config there.
systemd.tmpfiles.rules = [
"L+ /etc/crowdsec/config.yaml - - - - ${(pkgs.formats.yaml { }).generate "crowdsec.yaml" config.services.crowdsec.settings.general}"
];
# Firewall bouncer — auto-registers to local CrowdSec LAPI
services.crowdsec-firewall-bouncer = { services.crowdsec-firewall-bouncer = {
enable = true; enable = true;
settings.api_url = "http://127.0.0.1:8080"; settings.api_url = "http://127.0.0.1:8080";