From 2c9701d477ca983fd7287ee975f80589139f22f5 Mon Sep 17 00:00:00 2001
From: Angristan <stanislas.lange@openmailbox.org>
Date: Tue, 4 Oct 2016 17:34:11 +0200
Subject: [PATCH] Better way to enable IP forwarding

https://github.com/Nyr/openvpn-install/commit/791c54786c2cb2f6500e20f931b33fbb234a8ce4?diff=unified
---
 openvpn-install.sh | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/openvpn-install.sh b/openvpn-install.sh
index 9a31820..da1ee94 100644
--- a/openvpn-install.sh
+++ b/openvpn-install.sh
@@ -367,15 +367,9 @@ crl-verify crl.pem
 tls-server
 tls-auth tls-auth.key 0" >> /etc/openvpn/server.conf
 	# Enable net.ipv4.ip_forward for the system
-	if [[ "$OS" = 'debian' ]]; then
-		sed -i 's|#net.ipv4.ip_forward=1|net.ipv4.ip_forward=1|' /etc/sysctl.conf
-	else
-		# CentOS 5 and 6
-		sed -i 's|net.ipv4.ip_forward = 0|net.ipv4.ip_forward = 1|' /etc/sysctl.conf
-		# CentOS 7
-		if ! grep -q "net.ipv4.ip_forward=1" "/etc/sysctl.conf"; then
-			echo 'net.ipv4.ip_forward=1' >> /etc/sysctl.conf
-		fi
+	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
 	echo 1 > /proc/sys/net/ipv4/ip_forward