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Fix for CentOS 8

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- Minor fix for IPTables FORWARD rules on CentOS 8
- Cleanup
This commit is contained in:
hwdsl2 2021-04-19 00:38:50 -05:00
parent dc1bcb21f9
commit 28b02f28db
2 changed files with 2 additions and 2 deletions
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2
vpnsetup_amzn.sh
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@ -392,10 +392,10 @@ if [ "$ipt_flag" = "1" ]; then
iptables -I FORWARD 4 -i ppp+ -o ppp+ -s "$L2TP_NET" -d "$L2TP_NET" -j ACCEPT iptables -I FORWARD 4 -i ppp+ -o ppp+ -s "$L2TP_NET" -d "$L2TP_NET" -j ACCEPT
iptables -I FORWARD 5 -i "$NET_IFACE" -d "$XAUTH_NET" -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT iptables -I FORWARD 5 -i "$NET_IFACE" -d "$XAUTH_NET" -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
iptables -I FORWARD 6 -s "$XAUTH_NET" -o "$NET_IFACE" -j ACCEPT iptables -I FORWARD 6 -s "$XAUTH_NET" -o "$NET_IFACE" -j ACCEPT
iptables -A FORWARD -j DROP
iptables -t nat -I POSTROUTING -s "$XAUTH_NET" -o "$NET_IFACE" -m policy --dir out --pol none -j MASQUERADE iptables -t nat -I POSTROUTING -s "$XAUTH_NET" -o "$NET_IFACE" -m policy --dir out --pol none -j MASQUERADE
iptables -t nat -I POSTROUTING -s "$L2TP_NET" -o "$NET_IFACE" -j MASQUERADE iptables -t nat -I POSTROUTING -s "$L2TP_NET" -o "$NET_IFACE" -j MASQUERADE
echo "# Modified by hwdsl2 VPN script" > "$IPT_FILE" echo "# Modified by hwdsl2 VPN script" > "$IPT_FILE"
iptables -A FORWARD -j DROP
iptables-save >> "$IPT_FILE" iptables-save >> "$IPT_FILE"
fi fi

2
vpnsetup_centos.sh
View File

@ -454,6 +454,7 @@ if [ "$ipt_flag" = "1" ]; then
iptables -I FORWARD 4 -i ppp+ -o ppp+ -s "$L2TP_NET" -d "$L2TP_NET" -j ACCEPT iptables -I FORWARD 4 -i ppp+ -o ppp+ -s "$L2TP_NET" -d "$L2TP_NET" -j ACCEPT
iptables -I FORWARD 5 -i "$NET_IFACE" -d "$XAUTH_NET" -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT iptables -I FORWARD 5 -i "$NET_IFACE" -d "$XAUTH_NET" -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
iptables -I FORWARD 6 -s "$XAUTH_NET" -o "$NET_IFACE" -j ACCEPT iptables -I FORWARD 6 -s "$XAUTH_NET" -o "$NET_IFACE" -j ACCEPT
iptables -A FORWARD -j DROP
iptables -t nat -I POSTROUTING -s "$XAUTH_NET" -o "$NET_IFACE" -m policy --dir out --pol none -j MASQUERADE iptables -t nat -I POSTROUTING -s "$XAUTH_NET" -o "$NET_IFACE" -m policy --dir out --pol none -j MASQUERADE
iptables -t nat -I POSTROUTING -s "$L2TP_NET" -o "$NET_IFACE" -j MASQUERADE iptables -t nat -I POSTROUTING -s "$L2TP_NET" -o "$NET_IFACE" -j MASQUERADE
echo "# Modified by hwdsl2 VPN script" > "$IPT_FILE" echo "# Modified by hwdsl2 VPN script" > "$IPT_FILE"
@ -471,7 +472,6 @@ if [ "$ipt_flag" = "1" ]; then
echo "flush ruleset" >> "$IPT_FILE" echo "flush ruleset" >> "$IPT_FILE"
nft list ruleset >> "$IPT_FILE" nft list ruleset >> "$IPT_FILE"
else else
iptables -A FORWARD -j DROP
iptables-save >> "$IPT_FILE" iptables-save >> "$IPT_FILE"
fi fi
fi fi