From 22191298883e9be626d45d4d3948a9dd9999e4b2 Mon Sep 17 00:00:00 2001
From: Nikolay Amiantov <ab@fmap.me>
Date: Thu, 3 Oct 2019 19:01:59 +0300
Subject: [PATCH] matrix-synapse service: blacklist local IPv6 addresses by
 default

---
 nixos/modules/services/misc/matrix-synapse.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/nixos/modules/services/misc/matrix-synapse.nix b/nixos/modules/services/misc/matrix-synapse.nix
index 018fac386163d2..5eac3c276906bf 100644
--- a/nixos/modules/services/misc/matrix-synapse.nix
+++ b/nixos/modules/services/misc/matrix-synapse.nix
@@ -402,6 +402,9 @@ in {
           "192.168.0.0/16"
           "100.64.0.0/10"
           "169.254.0.0/16"
+          "::1/128"
+          "fe80::/64"
+          "fc00::/7"
         ];
         description = ''
           List of IP address CIDR ranges that the URL preview spider is denied