From 9f8feeab71ccb864606c336097e20dbb8e1d8c86 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Sun, 1 Nov 2026 05:22:38 +0100
Subject: libp2p: autoignore unroutable address ranges

---
 src/transport/libp2p/config.rs | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/transport/libp2p/config.rs')

diff --git a/src/transport/libp2p/config.rs b/src/transport/libp2p/config.rs
index 4db8444..6d26224 100644
--- a/src/transport/libp2p/config.rs
+++ b/src/transport/libp2p/config.rs
@@ -25,6 +25,9 @@ pub(crate) struct Libp2pConfig {
     pub(crate) ignore: Vec<IpRange>,
     /// Address ranges that matter most, best first (`Book::preference`).
     pub(crate) prefer: Vec<IpRange>,
+    /// Hosts on the internet (names or addresses) whose routes tell whether there is
+    /// one to the internet at all (`Routes::internet`).
+    pub(crate) internet_hosts: Vec<String>,
     /// Use public infrastructure: the IPFS DHT, public relays.
     pub(crate) public: bool,
     /// libp2p's in-memory transport instead of TCP and QUIC: for tests.
@@ -126,6 +129,7 @@ impl Libp2pConfig {
             upnp: settings.libp2p_upnp,
             ignore: parse_ranges("libp2p-ignore", &settings.libp2p_ignore)?,
             prefer: parse_ranges("libp2p-prefer", &settings.libp2p_prefer)?,
+            internet_hosts: settings.libp2p_internet_hosts.clone(),
             public: settings.libp2p_public,
             memory: false,
         })
-- 
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