From 090b1b308e2cf4857284c2dca2f69fb016a1b95b Mon Sep 17 00:00:00 2001
From: chinashiyu <chinashiyu@gfw.press>
Date: Tue, 24 Mar 2020 23:41:03 +0800
Subject: [PATCH] Update vultr_centos8.sh.txt

---
 vultr_centos8.sh.txt | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/vultr_centos8.sh.txt b/vultr_centos8.sh.txt
index 2e4ac4c..78c777f 100644
--- a/vultr_centos8.sh.txt
+++ b/vultr_centos8.sh.txt
@@ -106,12 +106,6 @@ function setupSystem() {
 	echo 'net.ipv4.udp_rmem_min = 8192' >> /etc/sysctl.d/99-perf.conf
 	echo 'net.ipv4.udp_wmem_min = 8192' >> /etc/sysctl.d/99-perf.conf
 
-	#
-	echo 'net.ipv4.tcp_syncookies = 1' >> /etc/sysctl.d/99-perf.conf
-	echo 'net.ipv4.tcp_max_syn_backlog = 4096' >> /etc/sysctl.d/99-perf.conf
-	echo 'net.ipv4.tcp_synack_retries = 3' >> /etc/sysctl.d/99-perf.conf
-	echo 'net.ipv4.conf.all.rp_filter = 1' >> /etc/sysctl.d/99-perf.conf
-
 	sysctl -q --system > /dev/null 2>&1
 
 	echo -n "▋"