diff --git a/common/services/lldap.nix b/common/services/lldap.nix
new file mode 100644
index 0000000..e71bf9b
--- /dev/null
+++ b/common/services/lldap.nix
@@ -0,0 +1,75 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: let
+  inherit (lib) mkEnableOption types mkIf mkOption;
+
+  cfg = config.foehammer.services.lldap;
+in {
+  options.foehammer.services.lldap = {
+    enable = mkEnableOption "Enable LLDAP Server";
+
+    url = mkOption {
+      type = types.str;
+    };
+
+    port = mkOption {
+      type = lib.types.port;
+      default = 8226;
+      description = ''
+        What external port to serve over.
+      '';
+    };
+
+    environmentFile = mkOption {
+      type = types.nullOr types.path;
+      default = null;
+    };
+
+    jwtSecretFile = mkOption {
+      type = types.nullOr types.path;
+      default = null;
+      description = ''
+        Path to your JWT secret used during identity verificaton.
+      '';
+    };
+
+    adminUserPasswordFile = mkOption {
+      type = types.nullOr types.path;
+      default = null;
+    };
+
+    base_dn = mkOption {
+      type = types.str;
+      example = "dc=example,dc=com";
+    };
+  };
+
+  config = mkIf cfg.enable {
+    services.lldap = {
+      enable = true;
+      environmentFile = cfg.environmentFile;
+
+      settings = {
+        # Base setup.
+        http_port = cfg.port;
+        http_url = cfg.url;
+        ldap_base_dn = cfg.base_dn;
+        jwt_secret_file = cfg.jwtSecretFile;
+
+        # Reproducable admin password.
+        force_ldap_user_pass_reset = "always";
+        ldap_user_pass_file = cfg.adminUserPasswordFile;
+      };
+    };
+
+    users.users.lldap = {
+      isSystemUser = true;
+      createHome = true;
+      group = "lldap";
+    };
+    users.groups.lldap = {};
+  };
+}
diff --git a/machines/lebesgue/config/configuration.nix b/machines/lebesgue/config/configuration.nix
index 1c1811c..ddf9a9b 100644
--- a/machines/lebesgue/config/configuration.nix
+++ b/machines/lebesgue/config/configuration.nix
@@ -33,6 +33,14 @@
       storageEncryptionKeyFile = config.sops.secrets.authelia-storage-encryption.path;
     };
 
+    services.lldap = {
+      enable = true;
+      url = "https://lldap.foehammer.me";
+      base_dn = "dc=foehammer,dc=me";
+
+      adminUserPasswordFile = config.sops.secrets.lldap-admin-password.path;
+    };
+
     services.vaultwarden = {
       enable = true;
       domain = "https://passwords.foehammer.me";
diff --git a/machines/lebesgue/config/secrets.nix b/machines/lebesgue/config/secrets.nix
index f8538b9..2cbf4d2 100644
--- a/machines/lebesgue/config/secrets.nix
+++ b/machines/lebesgue/config/secrets.nix
@@ -18,6 +18,8 @@
       restic-password = {owner = "restic";};
       restic-repository = {owner = "restic";};
 
+      lldap-admin-password.owner = "lldap";
+
       authelia-jwtsecret = autheliaSecret;
       authelia-oidc-privkey = autheliaSecret;
       authelia-oidc-hmac = autheliaSecret;
diff --git a/machines/lebesgue/config/state.nix b/machines/lebesgue/config/state.nix
index 26efd42..f593234 100644
--- a/machines/lebesgue/config/state.nix
+++ b/machines/lebesgue/config/state.nix
@@ -13,6 +13,8 @@
       "/var/lib/authelia-main"
       "/var/lib/caddy/.local/share/caddy"
       "/var/lib/vaultwarden"
+
+      { directory = "/var/lib/private/lldap"; user = "lldap"; group = "lldap"; mode = "0700"; }
     ];
 
     files = [
diff --git a/machines/lebesgue/secrets/main.yaml b/machines/lebesgue/secrets/main.yaml
index e7208b5..37ce6dd 100644
--- a/machines/lebesgue/secrets/main.yaml
+++ b/machines/lebesgue/secrets/main.yaml
@@ -4,6 +4,7 @@ vaultwarden-env: ENC[AES256_GCM,data:A1iRHxFxgI5P8DtsXQa1KvEKKnF+qZY7LVuJba00CLj
 restic-password: ENC[AES256_GCM,data:Ympe5/hJxOzJp7IeJy5mZy0fMIrnV+3cWJo1uKwbHHDJ0G4TNivMNrHEdff6CjVnAbkVgjkR90z1FJOpExd+KQ==,iv:CRJaA3fTG8B/qBDkwctgma4DaGDjoyk4eX6/SynIcLE=,tag:pJW45ijV+wVTR+4IRnLcsw==,type:str]
 restic-repository: ENC[AES256_GCM,data:KkFaam8iltY9nz89sVxk4u0xZ46Sq+7UsOY/9wieASD5A2FRruou7BiudX9X4hRA2RMTctO8aqYkrg==,iv:mIZ9z7BJV9s+wSiVMnzYAWM1/zsa6C+RCK1UhSiJVxI=,tag:S7tedxcfd/UaQ5hMEYfBVQ==,type:str]
 restic-env: ENC[AES256_GCM,data:KW9ma36zmHJF3xBStpoStDRQqg34wlMJMVSYfbLSnWq26R6e6eGf3+kTVkobhn/bqL6ZYi8ctlyvDS8IOz8VveYogsqxZ7/LK62mA0d9I3xEZMG7eNQ8M1PdeZ9RqAUgFJU=,iv:RxwvZ2vNuwmUc3haK2Ub8vHk9UQhjepLCwsfIcSJg9s=,tag:Tvq2RDh8mJ3jGhmpL1uuCA==,type:str]
+lldap-admin-password: ENC[AES256_GCM,data:OUGtguGSBt7DXZ2eHZ3pq+NCHGFzM4HRSmAAUKulf0v5GGi1we9iMZb54ZFqn57W/t3+nesq/zMudt2Bry7wJQ==,iv:4Mop0qpSBzYnoeMPPoHHoDP1LgCwXW4vs+o6Pd2jRlM=,tag:t+nhS9uhvdibp6PuHMfPrA==,type:str]
 sops:
     age:
         - recipient: age1kjy9wym6cmz6wqmewws4ledsne47c0e4sr0ksmm66rff3u2f6u3qxvnyg9
@@ -15,8 +16,8 @@ sops:
             L2VhMXV4WityYUFDZytxVTJHOXZGVVkKgbKR56dsru6U7I4KpnxfxQsswFwJsTM7
             8dzAaFl30mdRwFIH9kzdY3XxyYsJ0Yr0x3xwJ8mI4rjgpI8S9ihJFw==
             -----END AGE ENCRYPTED FILE-----
-    lastmodified: "2025-06-04T21:04:47Z"
-    mac: ENC[AES256_GCM,data:fGTVTDhqVNLQJaZyBFhBEauW/Cnb/V57aHOcaeODNeA9g1oZiC3IzUkpRVnEC+gPx4KLDrBwuCk7Au/TarVpFVK+nyqcwrDgr2RsWtVDP0UQH/+8G8PkASxnMnTp/oQnvEKGAbySfGelqEQkDhbMiR7GaP99lJcIoIQ/wG87peA=,iv:+NJnPQmh6VYzDu/UoGv1YHVGfMocKMdX5XxZG6FmS90=,tag:vnHzhvOQOw0U7BwNJKA0kw==,type:str]
+    lastmodified: "2026-01-01T02:28:46Z"
+    mac: ENC[AES256_GCM,data:S/pSDlf0DUWvOfBbf1xmtzh46nBKXzIKg/xyLvmah5EnsxlfrQhvhjN628HbexluXDWe3a4QAWv7i4awu+61zem41gpWCy8vJJbKBRnNKBnWEPvZKUJwLlLD7+B8jWttxaUlX/Vz/oyWZR35oD2D4c9Bx5MkzMqxb4w5M1DEzVo=,iv:jqL8NVjw3TK1Oue4Jgc5GXLezNDUm1bKuEBKI7zKhRY=,tag:SMoezaPc+iS2FqSqHHTP1w==,type:str]
     pgp:
         - created_at: "2025-02-03T18:58:54Z"
           enc: |-
@@ -30,4 +31,4 @@ sops:
             -----END PGP MESSAGE-----
           fp: A972C2063F4F2554
     unencrypted_suffix: _unencrypted
-    version: 3.10.2
+    version: 3.11.0