From 1e190dfd5bb95036f937ef1dc46f43eb0a146612 Mon Sep 17 00:00:00 2001
From: Thomas Hindoe Paaboel Andersen <phomes@gmail.com>
Date: Fri, 17 Aug 2018 21:31:05 +0200
Subject: [PATCH] Revert "sysctl.d: request ECN on both in and outgoing
 connections"

Turning on ECN still causes slow or broken network on linux. Our tcp
is not yet ready for wide spread use of ECN.

This reverts commit 919472741dba6ad0a3f6c2b76d390a02d0e2fdc3.

https://github.com/systemd/systemd/issues/9748

Upstream-Status: Backport
Signed-off-by: Alex Kiernan <alex.kiernan@gmail.com>
---
 sysctl.d/50-default.conf | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/sysctl.d/50-default.conf b/sysctl.d/50-default.conf
index b67ae87ca6b7..e263cf06284a 100644
--- a/sysctl.d/50-default.conf
+++ b/sysctl.d/50-default.conf
@@ -33,9 +33,6 @@ net.ipv4.conf.all.promote_secondaries = 1
 # Fair Queue CoDel packet scheduler to fight bufferbloat
 net.core.default_qdisc = fq_codel
 
-# Request Explicit Congestion Notification (ECN) on both in and outgoing connections
-net.ipv4.tcp_ecn = 1
-
 # Enable hard and soft link protection
 fs.protected_hardlinks = 1
 fs.protected_symlinks = 1
-- 
2.7.4