From 4b50dd0eadcdad00e6e2f1d968161b3330a56a66 Mon Sep 17 00:00:00 2001
From: NepDisk <nepdisk@noreply.codeberg.org>
Date: Thu, 16 Apr 2026 15:54:05 -0400
Subject: [PATCH] we are hitting a hard limit so do this for now.

Packet fragmenting is bad since many firewalls consider it bad traffic, we are going to have to rework stuff around this fact later.
---
 src/d_net.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/d_net.c b/src/d_net.c
index 18ca01f69..deff99de8 100644
--- a/src/d_net.c
+++ b/src/d_net.c
@@ -1245,7 +1245,8 @@ boolean D_CheckNetGame(void)
 #if 0
 	software_MAXPACKETLENGTH = hardware_MAXPACKETLENGTH;
 #else
-	software_MAXPACKETLENGTH = 1500;
+	// MTU, IPV4, UDP header.
+	software_MAXPACKETLENGTH = 1500 - 20 - 8;
 #endif
 	if (M_CheckParm("-packetsize"))
 	{