From a0e445d1b19e8da4e0c11479fee4bf15c703ca6d Mon Sep 17 00:00:00 2001
From: Jarrod Johnson <jjohnson2@lenovo.com>
Date: Wed, 28 Aug 2019 09:16:42 -0400
Subject: [PATCH] Force MSS down for forwarded connections

Some endpoints may not be able to fully handle the natural
MSS suggested by MTU.
---
 confluent_server/confluent/forwarder.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/confluent_server/confluent/forwarder.py b/confluent_server/confluent/forwarder.py
index 676c2e57..a6b5b80b 100644
--- a/confluent_server/confluent/forwarder.py
+++ b/confluent_server/confluent/forwarder.py
@@ -49,6 +49,7 @@ def forward_port(sock, target, clientip, sessionid):
             continue
         try:
             client = socket.create_connection((target, 443))
+            client.setsockopt(socket.IPPROTO_TCP, socket.TCP_MAXSEG, 1456)
         except Exception:
             conn.close()
             continue
@@ -68,6 +69,7 @@ def forward_video():
         try:
             vidclient = socket.create_connection((vidtargetbypeer[cli[0]],
                                                   3900))
+            vidclient.setsockopt(socket.IPPROTO_TCP, socket.TCP_MAXSEG, 1456)
         except Exception:
             conn.close()
             continue