mirror of
https://github.com/hwdsl2/setup-ipsec-vpn.git
synced 2024-06-24 14:46:05 +02:00
🎉 Feature: Add support for IPsec/XAUTH
This commit is contained in:
hwdsl2
parent
5451186530
commit
ff8dd58749
65
vpnsetup.sh
65
vpnsetup.sh
|
|
@ -80,7 +80,7 @@ export DEBIAN_FRONTEND=noninteractive
|
|||
apt-get -y update
|
||||
|
||||
# Make sure basic commands exist
|
||||
apt-get -y install wget dnsutils
|
||||
apt-get -y install wget dnsutils openssl
|
||||
apt-get -y install iproute gawk grep sed net-tools
|
||||
|
||||
if [ "$(sed 's/\..*//' /etc/debian_version)" = "7" ]; then
|
||||
|
|
@ -162,33 +162,54 @@ cat > /etc/ipsec.conf <<EOF
|
|||
version 2.0
|
||||
|
||||
config setup
|
||||
virtual_private=%v4:10.0.0.0/8,%v4:192.168.0.0/16,%v4:172.16.0.0/12,%v4:!192.168.42.0/24
|
||||
virtual_private=%v4:10.0.0.0/8,%v4:192.168.0.0/16,%v4:172.16.0.0/12,%v4:!192.168.42.0/23
|
||||
protostack=netkey
|
||||
nhelpers=0
|
||||
interfaces=%defaultroute
|
||||
uniqueids=no
|
||||
|
||||
conn vpnpsk
|
||||
auto=add
|
||||
conn shared
|
||||
left=$PRIVATE_IP
|
||||
leftid=$PUBLIC_IP
|
||||
leftsubnet=$PRIVATE_IP/32
|
||||
leftnexthop=%defaultroute
|
||||
leftprotoport=17/1701
|
||||
rightprotoport=17/%any
|
||||
right=%any
|
||||
rightsubnetwithin=0.0.0.0/0
|
||||
forceencaps=yes
|
||||
authby=secret
|
||||
pfs=no
|
||||
type=transport
|
||||
auth=esp
|
||||
ike=3des-sha1,aes-sha1
|
||||
phase2alg=3des-sha1,aes-sha1
|
||||
rekey=no
|
||||
keyingtries=5
|
||||
dpddelay=30
|
||||
dpdtimeout=120
|
||||
dpdaction=clear
|
||||
|
||||
conn l2tp-psk
|
||||
auto=add
|
||||
leftsubnet=$PRIVATE_IP/32
|
||||
leftnexthop=%defaultroute
|
||||
leftprotoport=17/1701
|
||||
rightprotoport=17/%any
|
||||
rightsubnetwithin=0.0.0.0/0
|
||||
type=transport
|
||||
auth=esp
|
||||
ike=3des-sha1,aes-sha1
|
||||
phase2alg=3des-sha1,aes-sha1
|
||||
also=shared
|
||||
|
||||
conn xauth-psk
|
||||
auto=add
|
||||
leftsubnet=0.0.0.0/0
|
||||
rightaddresspool=192.168.43.10-192.168.43.250
|
||||
modecfgdns1=8.8.8.8
|
||||
modecfgdns2=8.8.4.4
|
||||
leftxauthserver=yes
|
||||
rightxauthclient=yes
|
||||
leftmodecfgserver=yes
|
||||
rightmodecfgclient=yes
|
||||
modecfgpull=yes
|
||||
xauthby=file
|
||||
ike-frag=yes
|
||||
ikev2=never
|
||||
cisco-unity=yes
|
||||
also=shared
|
||||
EOF
|
||||
|
||||
# Specify IPsec PSK
|
||||
|
|
@ -241,6 +262,10 @@ cat > /etc/ppp/chap-secrets <<EOF
|
|||
"$VPN_USER" l2tpd "$VPN_PASSWORD" *
|
||||
EOF
|
||||
|
||||
/bin/cp -f /etc/ipsec.d/passwd "/etc/ipsec.d/passwd.old-$SYS_DT" 2>/dev/null
|
||||
VPN_PASSWORD_ENC=$(openssl passwd -1 "$VPN_PASSWORD")
|
||||
echo "${VPN_USER}:${VPN_PASSWORD_ENC}:xauth-psk" > /etc/ipsec.d/passwd
|
||||
|
||||
# Update sysctl settings for VPN and performance
|
||||
if ! grep -qs "hwdsl2 VPN script" /etc/sysctl.conf; then
|
||||
/bin/cp -f /etc/sysctl.conf "/etc/sysctl.conf.old-$SYS_DT" 2>/dev/null
|
||||
|
|
@ -303,8 +328,11 @@ cat > /etc/iptables.rules <<EOF
|
|||
-A FORWARD -m conntrack --ctstate INVALID -j DROP
|
||||
-A FORWARD -i eth+ -o ppp+ -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
|
||||
-A FORWARD -i ppp+ -o eth+ -j ACCEPT
|
||||
# If you wish to allow traffic between VPN clients themselves, uncomment this line:
|
||||
-A FORWARD -i eth+ -d 192.168.43.0/24 -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
|
||||
-A FORWARD -s 192.168.43.0/24 -o eth+ -j ACCEPT
|
||||
# If you wish to allow traffic between VPN clients themselves, uncomment these lines:
|
||||
# -A FORWARD -i ppp+ -o ppp+ -s 192.168.42.0/24 -d 192.168.42.0/24 -j ACCEPT
|
||||
# -A FORWARD -s 192.168.43.0/24 -d 192.168.43.0/24 -j ACCEPT
|
||||
-A FORWARD -j DROP
|
||||
COMMIT
|
||||
*nat
|
||||
|
|
@ -313,6 +341,7 @@ COMMIT
|
|||
:OUTPUT ACCEPT [0:0]
|
||||
:POSTROUTING ACCEPT [0:0]
|
||||
-A POSTROUTING -s 192.168.42.0/24 -o eth+ -j SNAT --to-source "$PRIVATE_IP"
|
||||
-A POSTROUTING -s 192.168.43.0/24 -o eth+ -m policy --dir out --pol none -j SNAT --to-source "$PRIVATE_IP"
|
||||
COMMIT
|
||||
EOF
|
||||
|
||||
|
|
@ -324,8 +353,12 @@ iptables -I INPUT 3 -p udp --dport 1701 -j DROP
|
|||
iptables -I FORWARD 1 -m conntrack --ctstate INVALID -j DROP
|
||||
iptables -I FORWARD 2 -i eth+ -o ppp+ -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
|
||||
iptables -I FORWARD 3 -i ppp+ -o eth+ -j ACCEPT
|
||||
# iptables -I FORWARD 4 -i ppp+ -o ppp+ -s 192.168.42.0/24 -d 192.168.42.0/24 -j ACCEPT
|
||||
iptables -I FORWARD 4 -i eth+ -d 192.168.43.0/24 -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
|
||||
iptables -I FORWARD 5 -s 192.168.43.0/24 -o eth+ -j ACCEPT
|
||||
# iptables -I FORWARD 6 -i ppp+ -o ppp+ -s 192.168.42.0/24 -d 192.168.42.0/24 -j ACCEPT
|
||||
# iptables -I FORWARD 7 -s 192.168.43.0/24 -d 192.168.43.0/24 -j ACCEPT
|
||||
iptables -A FORWARD -j DROP
|
||||
iptables -t nat -I POSTROUTING -s 192.168.43.0/24 -o eth+ -m policy --dir out --pol none -j SNAT --to-source "$PRIVATE_IP"
|
||||
iptables -t nat -I POSTROUTING -s 192.168.42.0/24 -o eth+ -j SNAT --to-source "$PRIVATE_IP"
|
||||
|
||||
echo "# Modified by hwdsl2 VPN script" > /etc/iptables.rules
|
||||
|
|
@ -403,7 +436,7 @@ sysctl -p
|
|||
chmod +x /etc/rc.local
|
||||
chmod +x /etc/network/if-pre-up.d/iptablesload
|
||||
chmod +x /etc/network/if-pre-up.d/ip6tablesload
|
||||
chmod 600 /etc/ipsec.secrets* /etc/ppp/chap-secrets*
|
||||
chmod 600 /etc/ipsec.secrets* /etc/ppp/chap-secrets* /etc/ipsec.d/passwd*
|
||||
|
||||
# Apply new IPTables rules
|
||||
iptables-restore < /etc/iptables.rules
|
||||
|
|
|
|||
|
|
@ -88,7 +88,7 @@ mkdir -p /opt/src
|
|||
cd /opt/src || exit 1
|
||||
|
||||
# Make sure basic commands exist
|
||||
yum -y install wget bind-utils
|
||||
yum -y install wget bind-utils openssl
|
||||
yum -y install iproute gawk grep sed net-tools
|
||||
|
||||
echo
|
||||
|
|
@ -183,33 +183,54 @@ cat > /etc/ipsec.conf <<EOF
|
|||
version 2.0
|
||||
|
||||
config setup
|
||||
virtual_private=%v4:10.0.0.0/8,%v4:192.168.0.0/16,%v4:172.16.0.0/12,%v4:!192.168.42.0/24
|
||||
virtual_private=%v4:10.0.0.0/8,%v4:192.168.0.0/16,%v4:172.16.0.0/12,%v4:!192.168.42.0/23
|
||||
protostack=netkey
|
||||
nhelpers=0
|
||||
interfaces=%defaultroute
|
||||
uniqueids=no
|
||||
|
||||
conn vpnpsk
|
||||
auto=add
|
||||
conn shared
|
||||
left=$PRIVATE_IP
|
||||
leftid=$PUBLIC_IP
|
||||
leftsubnet=$PRIVATE_IP/32
|
||||
leftnexthop=%defaultroute
|
||||
leftprotoport=17/1701
|
||||
rightprotoport=17/%any
|
||||
right=%any
|
||||
rightsubnetwithin=0.0.0.0/0
|
||||
forceencaps=yes
|
||||
authby=secret
|
||||
pfs=no
|
||||
type=transport
|
||||
auth=esp
|
||||
ike=3des-sha1,aes-sha1
|
||||
phase2alg=3des-sha1,aes-sha1
|
||||
rekey=no
|
||||
keyingtries=5
|
||||
dpddelay=30
|
||||
dpdtimeout=120
|
||||
dpdaction=clear
|
||||
|
||||
conn l2tp-psk
|
||||
auto=add
|
||||
leftsubnet=$PRIVATE_IP/32
|
||||
leftnexthop=%defaultroute
|
||||
leftprotoport=17/1701
|
||||
rightprotoport=17/%any
|
||||
rightsubnetwithin=0.0.0.0/0
|
||||
type=transport
|
||||
auth=esp
|
||||
ike=3des-sha1,aes-sha1
|
||||
phase2alg=3des-sha1,aes-sha1
|
||||
also=shared
|
||||
|
||||
conn xauth-psk
|
||||
auto=add
|
||||
leftsubnet=0.0.0.0/0
|
||||
rightaddresspool=192.168.43.10-192.168.43.250
|
||||
modecfgdns1=8.8.8.8
|
||||
modecfgdns2=8.8.4.4
|
||||
leftxauthserver=yes
|
||||
rightxauthclient=yes
|
||||
leftmodecfgserver=yes
|
||||
rightmodecfgclient=yes
|
||||
modecfgpull=yes
|
||||
xauthby=file
|
||||
ike-frag=yes
|
||||
ikev2=never
|
||||
cisco-unity=yes
|
||||
also=shared
|
||||
EOF
|
||||
|
||||
# Specify IPsec PSK
|
||||
|
|
@ -262,6 +283,10 @@ cat > /etc/ppp/chap-secrets <<EOF
|
|||
"$VPN_USER" l2tpd "$VPN_PASSWORD" *
|
||||
EOF
|
||||
|
||||
/bin/cp -f /etc/ipsec.d/passwd "/etc/ipsec.d/passwd.old-$SYS_DT" 2>/dev/null
|
||||
VPN_PASSWORD_ENC=$(openssl passwd -1 "$VPN_PASSWORD")
|
||||
echo "${VPN_USER}:${VPN_PASSWORD_ENC}:xauth-psk" > /etc/ipsec.d/passwd
|
||||
|
||||
# Update sysctl settings for VPN and performance
|
||||
if ! grep -qs "hwdsl2 VPN script" /etc/sysctl.conf; then
|
||||
/bin/cp -f /etc/sysctl.conf "/etc/sysctl.conf.old-$SYS_DT" 2>/dev/null
|
||||
|
|
@ -324,8 +349,11 @@ cat > /etc/sysconfig/iptables <<EOF
|
|||
-A FORWARD -m conntrack --ctstate INVALID -j DROP
|
||||
-A FORWARD -i eth+ -o ppp+ -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
|
||||
-A FORWARD -i ppp+ -o eth+ -j ACCEPT
|
||||
# If you wish to allow traffic between VPN clients themselves, uncomment this line:
|
||||
-A FORWARD -i eth+ -d 192.168.43.0/24 -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
|
||||
-A FORWARD -s 192.168.43.0/24 -o eth+ -j ACCEPT
|
||||
# If you wish to allow traffic between VPN clients themselves, uncomment these lines:
|
||||
# -A FORWARD -i ppp+ -o ppp+ -s 192.168.42.0/24 -d 192.168.42.0/24 -j ACCEPT
|
||||
# -A FORWARD -s 192.168.43.0/24 -d 192.168.43.0/24 -j ACCEPT
|
||||
-A FORWARD -j DROP
|
||||
COMMIT
|
||||
*nat
|
||||
|
|
@ -333,6 +361,7 @@ COMMIT
|
|||
:OUTPUT ACCEPT [0:0]
|
||||
:POSTROUTING ACCEPT [0:0]
|
||||
-A POSTROUTING -s 192.168.42.0/24 -o eth+ -j SNAT --to-source "$PRIVATE_IP"
|
||||
-A POSTROUTING -s 192.168.43.0/24 -o eth+ -m policy --dir out --pol none -j SNAT --to-source "$PRIVATE_IP"
|
||||
COMMIT
|
||||
EOF
|
||||
|
||||
|
|
@ -344,8 +373,12 @@ iptables -I INPUT 3 -p udp --dport 1701 -j DROP
|
|||
iptables -I FORWARD 1 -m conntrack --ctstate INVALID -j DROP
|
||||
iptables -I FORWARD 2 -i eth+ -o ppp+ -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
|
||||
iptables -I FORWARD 3 -i ppp+ -o eth+ -j ACCEPT
|
||||
# iptables -I FORWARD 4 -i ppp+ -o ppp+ -s 192.168.42.0/24 -d 192.168.42.0/24 -j ACCEPT
|
||||
iptables -I FORWARD 4 -i eth+ -d 192.168.43.0/24 -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
|
||||
iptables -I FORWARD 5 -s 192.168.43.0/24 -o eth+ -j ACCEPT
|
||||
# iptables -I FORWARD 6 -i ppp+ -o ppp+ -s 192.168.42.0/24 -d 192.168.42.0/24 -j ACCEPT
|
||||
# iptables -I FORWARD 7 -s 192.168.43.0/24 -d 192.168.43.0/24 -j ACCEPT
|
||||
iptables -A FORWARD -j DROP
|
||||
iptables -t nat -I POSTROUTING -s 192.168.43.0/24 -o eth+ -m policy --dir out --pol none -j SNAT --to-source "$PRIVATE_IP"
|
||||
iptables -t nat -I POSTROUTING -s 192.168.42.0/24 -o eth+ -j SNAT --to-source "$PRIVATE_IP"
|
||||
|
||||
echo "# Modified by hwdsl2 VPN script" > /etc/sysconfig/iptables
|
||||
|
|
@ -422,7 +455,7 @@ sysctl -p
|
|||
|
||||
# Update file attributes
|
||||
chmod +x /etc/rc.local
|
||||
chmod 600 /etc/ipsec.secrets* /etc/ppp/chap-secrets*
|
||||
chmod 600 /etc/ipsec.secrets* /etc/ppp/chap-secrets* /etc/ipsec.d/passwd*
|
||||
|
||||
# Apply new IPTables rules
|
||||
iptables-restore < /etc/sysconfig/iptables
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user