From 5b0854920d4a81ec2a752207682295ea598ead62 Mon Sep 17 00:00:00 2001
From: Nils Andreas Svee <me@lochnair.net>
Date: Fri, 25 Sep 2026 17:13:09 +0700
Subject: [PATCH] fix(settings): reject IPv6 reflectors

---
 src/settings/mod.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/settings/mod.rs b/src/settings/mod.rs
index 15152e9..577ee55 100644
--- a/src/settings/mod.rs
+++ b/src/settings/mod.rs
@@ -192,7 +192,10 @@ impl Settings {
             })?;
 
             match (record.ip_version, record.reflector_ip) {
-                (4, IpAddr::V4(_)) | (6, IpAddr::V6(_)) => {}
+                (4, IpAddr::V4(_)) => {}
+                (6, address @ IpAddr::V6(_)) => {
+                    bail!("reflector {address} is IPv6; only IPv4 reflectors are supported");
+                }
                 (version, address) => {
                     bail!("reflector {address} has inconsistent IP version {version}");
                 }