From db3824b5b8308db4783c62f0e2b2f7de9466b93f Mon Sep 17 00:00:00 2001
From: clerie <git@clerie.de>
Date: Mon, 23 Sep 2024 17:00:33 +0200
Subject: [PATCH] hosts/carbon: Clamp MSS to path MTU

---
 hosts/carbon/ppp.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hosts/carbon/ppp.nix b/hosts/carbon/ppp.nix
index 8a22cf6..784c1de 100644
--- a/hosts/carbon/ppp.nix
+++ b/hosts/carbon/ppp.nix
@@ -54,7 +54,7 @@
   };
 
   clerie.firewall.extraForwardMangleCommands = ''
-    ip46tables -t mangle -A forward-mangle -p tcp -m tcp --tcp-flags SYN,RST SYN -j TCPMSS --set-mss 1416
+    ip46tables -t mangle -A forward-mangle -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu
   '';
 
 }