Я намагався встановити сервер L2TP / IPSec на моїй установці Ubuntu, використовуючи цей посібник .
Під час спроби підключення я запустив sudo tail -f /var/log/auth.log, вихід якого нижче:
Feb 8 10:35:41 prometheus pluto[6167]: "L2TP-PSK-noNAT"[20] [my ip] #20: responding to Main Mode from unknown peer [my ip]
Feb 8 10:35:41 prometheus pluto[6167]: "L2TP-PSK-noNAT"[20] [my ip] #20: Can't authenticate: no preshared key found for `[server ip]' and `%any'. Attribute OAKLEY_AUTHENTICATION_METHOD
Feb 8 10:35:41 pluto[6167]: last message repeated 5 times
Feb 8 10:35:41 prometheus pluto[6167]: "L2TP-PSK-noNAT"[20] [my ip] #20: no acceptable Oakley Transform
Feb 8 10:35:41 prometheus pluto[6167]: "L2TP-PSK-noNAT"[20] [my ip] #20: sending notification NO_PROPOSAL_CHOSEN to [my ip]:500
Feb 8 10:35:41 prometheus pluto[6167]: "L2TP-PSK-noNAT"[20] [my ip]: deleting connection "L2TP-PSK-noNAT" instance with peer [my ip] {isakmp=#0/ipsec=#0}
/etc/ipsec.conf
version 2.0
config setup
dumpdir=/var/run/pluto/
nat_traversal=yes
virtual_private=%v4:10.0.0.0/8,%v4:192.168.0.0/16,%v4:172.16.0.0/12
oe=off
protostack=netkey
keep_alive=10
include /etc/ipsec.d/*.conf
/etc/ipsec.d/road-warrior.conf
conn L2TP-PSK-noNAT
authby=secret
pfs=no
auto=add
keyingtries=3
rekey=no
ikelifetime=8h
keylife=1h
type=transport
left=[server ip]
leftprotoport=17/1701
right=%any
rightprotoport=17/%any
conn L2TP-PSK-NAT
rightsubnet=vhost:%priv
also=L2TP-PSK-noNAT
/etc/ipsec.d/road-warrior.secrets
[server ip] %any: PSK "psk"
Вихід ipsec verify
Version check and ipsec on-path [OK]
Linux Openswan U2.6.37/K3.12.9-x86_64-linode37 (netkey)
Checking for IPsec support in kernel [OK]
SAref kernel support [N/A]
NETKEY: Testing XFRM related proc values [OK]
[OK]
[OK]
Checking that pluto is running [OK]
Pluto listening for IKE on udp 500 [OK]
Pluto listening for NAT-T on udp 4500 [OK]
Two or more interfaces found, checking IP forwarding [OK]
Checking NAT and MASQUERADEing [OK]
Checking for 'ip' command [OK]
Checking /bin/sh is not /bin/dash [WARNING]
Checking for 'iptables' command [OK]
Opportunistic Encryption Support [DISABLED]
/etc/xl2tpd/xl2tpd.conf
[global]
ipsec saref = yes
[lns default]
ip range = 10.10.10.2-10.10.10.200
local ip = 10.10.10.1
refuse chap = yes
refuse pap = yes
require authentication = yes
ppp debug = yes
pppoptfile = /etc/ppp/options.xl2tpd
length bit = yes
/etc/ppp/options.xl2tpd
require-mschap-v2
ms-dns 4.2.2.1
ms-dns 4.2.2.2
asyncmap 0
auth
crtscts
lock
hide-password
modem
debug
name l2tpd
proxyarp
lcp-echo-interval 30
lcp-echo-failure 4
/ etc / ppp / chap-secrets
# Secrets for authentication using CHAP
# client server secret IP addresses
user1 l2tpd user1password *
user2 l2tpd user2password *
Хто-небудь може допомогти?