diff --git a/nixos/modules/services/networking/anubis.nix b/nixos/modules/services/networking/anubis.nix
index 745dc9719906..2d63fa4ecc59 100644
--- a/nixos/modules/services/networking/anubis.nix
+++ b/nixos/modules/services/networking/anubis.nix
@@ -122,12 +122,6 @@ let
                   example = "tcp";
                   type = types.str;
                 };
-                SOCKET_MODE = mkDefaultOption "settings.SOCKET_MODE" {
-                  default = "0770";
-                  description = "The permissions on the Unix domain sockets created.";
-                  example = "0700";
-                  type = types.str;
-                };
                 DIFFICULTY = mkDefaultOption "settings.DIFFICULTY" {
                   default = 4;
                   description = ''
@@ -146,6 +140,26 @@ let
                   '';
                   type = types.bool;
                 };
+                OG_PASSTHROUGH = mkDefaultOption "settings.OG_PASSTHROUGH" {
+                  default = false;
+                  description = ''
+                    Whether to enable Open Graph tag passthrough.
+
+                    This enables social previews of resources protected by
+                    Anubis without having to exempt each scraper individually.
+                  '';
+                  type = types.bool;
+                };
+                WEBMASTER_EMAIL = mkDefaultOption "settings.WEBMASTER_EMAIL" {
+                  default = null;
+                  description = ''
+                    If set, shows a contact email address when rendering error pages.
+
+                    This email address will be how users can get in contact with administrators.
+                  '';
+                  example = "alice@example.com";
+                  type = types.nullOr types.str;
+                };
 
                 # generated by default
                 POLICY_FNAME = mkDefaultOption "settings.POLICY_FNAME" {