From 799b8f9a7658913096f0ea65f2b8fdd079229643 Mon Sep 17 00:00:00 2001
From: Tony Xu <hhktony@gmail.com>
Date: Tue, 6 Sep 2016 23:52:08 +0800
Subject: [PATCH] fix net.ipv4.ip_forward settings

If the `/etc/sysctl.conf` contains `net.ipv4.ip_forward_use_pmtu`
---
 openvpn-install.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/openvpn-install.sh b/openvpn-install.sh
index 620f410..7ca4bf2 100644
--- a/openvpn-install.sh
+++ b/openvpn-install.sh
@@ -286,8 +286,8 @@ status openvpn-status.log
 verb 3
 crl-verify crl.pem" >> /etc/openvpn/server.conf
 	# Enable net.ipv4.ip_forward for the system
-	sed -i '/net.ipv4.ip_forward/c\net.ipv4.ip_forward=1' /etc/sysctl.conf
-	if ! grep -q "net.ipv4.ip_forward" /etc/sysctl.conf; then
+	sed -i '/\<net.ipv4.ip_forward\>/c\net.ipv4.ip_forward=1' /etc/sysctl.conf
+	if ! grep -q "\<net.ipv4.ip_forward\>" /etc/sysctl.conf; then
 		echo 'net.ipv4.ip_forward=1' >> /etc/sysctl.conf
 	fi
 	# Avoid an unneeded reboot