[strongSwan] cisco vpn client failed to connect to my strongswan vpn server
tefeng.em at gmail.com
tefeng.em at gmail.com
Sat Jun 21 18:07:56 CEST 2014
Dear All,
I’ve installed strongswan 4.6.4 (both pluto and charon enabled) on my server (debian 6.0.8) and it works well with cisco vpn client 5.0.07.0410 on WinXP (also with ios, android and win7). Recently I upgraded to 5.1.3 and it works too with ios, android and win7 except for cisco vpn client.
Follows the compiling configuration:
./configure --prefix=/usr --sysconfdir=/etc --disable-gmp --enable-unity --enable-openssl --enable-md4 --enable-xauth-eap --enable-xauth-pam --enable-eap-mschapv2 --enable-eap-aka --enable-eap-aka-3gpp2 --enable-eap-gtc --enable-eap-identity --enable-eap-md5 --enable-eap-peap --enable-eap-radius --enable-eap-sim --enable-eap-sim-file --enable-eap-sim-pcsc --enable-eap-simaka-pseudonym --enable-eap-simaka-reauth --enable-eap-simaka-sql --enable-eap-tls --enable-eap-tnc --enable-eap-ttls --enable-tools
/etc/ipsec.conf:
config setup
#nat_traversal=yes
uniqueids=yes
charondebug="ike 2, mgr 2, net 2, enc 2" # this line doesn’t work?
crlcheckinterval=10m
strictcrlpolicy=no
ca vpnca
cacert=caCert.pem
crluri=crl.pem
auto=add
conn %default
auto=add
left=%defaultroute
leftsubnet=0.0.0.0/0
right=%any
conn ios
keyexchange=ikev1
authby=xauthpsk
xauth=server
#leftfirewall=yes
rightsubnet=10.11.0.0/24
rightsourceip=10.11.0.0/24
#dpddelay=30s
#dpdtimeout=120s
#dpdaction=clear
conn win7&android
keyexchange=ikev2
ike=aes256-sha1-modp1024!
esp=aes256-sha1!
dpdaction=clear
dpddelay=300s
rekey=no
leftauth=pubkey
leftcert=serverCert.pem
leftid="C=CH, O=strongSwan, CN=x.x.x.x"
rightsourceip=10.11.1.0/24
rightauth=eap-mschapv2
rightsendcert=never
eap_identity=%any
conn cisco
keyexchange=ikev1
ike=aes256-sha1-modp1024!
esp=aes256-sha1!
dpdaction=clear
dpddelay=300s
rekey=no
leftauth=pubkey
leftcert=serverCert.pem
leftid="C=CH, O=strongSwan, CN=x.x.x.x"
rightsourceip=10.11.2.0/24
ikelifetime=60m
keylife=20m
rekeymargin=3m
keyingtries=1
#type=tunnel
authby=xauthrsasig
xauth=server
#pfs=no
When I try to connect to server with cisco vpn client it returns the error “412: The remote peer is no longer responding” and the following logs:
1 23:47:53.418 06/20/14 Sev=Info/4 CERT/0x63600015
Cert (cn=client,o=strongSwan,c=CH) verification succeeded.
2 23:47:53.433 06/20/14 Sev=Info/4 CM/0x63100002
Begin connection process
3 23:47:53.449 06/20/14 Sev=Info/4 CM/0x63100004
Establish secure connection
4 23:47:53.449 06/20/14 Sev=Info/4 CM/0x63100024
Attempt connection with server "x.x.x.x"
5 23:47:53.449 06/20/14 Sev=Info/4 IKE/0x63000001
Starting IKE Phase 1 Negotiation
6 23:47:53.465 06/20/14 Sev=Info/4 IKE/0x63000013
SENDING >>> ISAKMP OAK MM (SA, VID(Xauth), VID(dpd), VID(Frag), VID(Nat-T), VID(Unity)) to x.x.x.x
7 23:47:53.543 06/20/14 Sev=Info/4 IKE/0x63000014
RECEIVING <<< ISAKMP OAK MM (SA, VID(Xauth), VID(dpd), VID(Nat-T)) from x.x.x.x
8 23:47:53.543 06/20/14 Sev=Info/4 IKE/0x63000013
SENDING >>> ISAKMP OAK MM (KE, NON, NAT-D, NAT-D, VID(?), VID(Unity)) to x.x.x.x
9 23:47:53.574 06/20/14 Sev=Info/4 IKE/0x63000014
RECEIVING <<< ISAKMP OAK MM (KE, NON, CERT_REQ, NAT-D, NAT-D) from x.x.x.x
10 23:47:53.605 06/20/14 Sev=Info/4 IKE/0x63000013
SENDING >>> ISAKMP OAK MM *(ID, CERT, CERT_REQ, SIG, NOTIFY:STATUS_INITIAL_CONTACT) to x.x.x.x
11 23:47:53.621 06/20/14 Sev=Info/4 IKE/0x63000084
Out of Order Packet Processing - Queuing a packet (Informational) received out of order
12 23:47:58.887 06/20/14 Sev=Info/4 IKE/0x63000021
Retransmitting last packet!
13 23:47:58.887 06/20/14 Sev=Info/4 IKE/0x63000013
SENDING >>> ISAKMP OAK MM *(Retransmission) to x.x.x.x
14 23:48:03.887 06/20/14 Sev=Info/4 IKE/0x63000021
Retransmitting last packet!
15 23:48:03.887 06/20/14 Sev=Info/4 IKE/0x63000013
SENDING >>> ISAKMP OAK MM *(Retransmission) to x.x.x.x
16 23:48:08.887 06/20/14 Sev=Info/4 IKE/0x63000021
Retransmitting last packet!
17 23:48:08.887 06/20/14 Sev=Info/4 IKE/0x63000013
SENDING >>> ISAKMP OAK MM *(Retransmission) to x.x.x.x
18 23:48:13.887 06/20/14 Sev=Info/4 IKE/0x63000017
Marking IKE SA for deletion (I_Cookie=8B242615179718BE R_Cookie=1BD7EDD3CABC3E02) reason = DEL_REASON_PEER_NOT_RESPONDING
19 23:48:13.887 06/20/14 Sev=Info/4 IKE/0x63000013
SENDING >>> ISAKMP OAK INFO *(HASH, DEL) to x.x.x.x
20 23:48:14.402 06/20/14 Sev=Info/4 IKE/0x6300004B
Discarding IKE SA negotiation (I_Cookie=8B242615179718BE R_Cookie=1BD7EDD3CABC3E02) reason = DEL_REASON_PEER_NOT_RESPONDING
21 23:48:14.402 06/20/14 Sev=Info/4 CM/0x63100014
Unable to establish Phase 1 SA with server "x.x.x.x" because of "DEL_REASON_PEER_NOT_RESPONDING"
22 23:48:14.418 06/20/14 Sev=Info/4 IKE/0x63000001
IKE received signal to terminate VPN connection
/var/log/auth.log:
...
Jun 21 11:50:45 debian6 charon: 14[ENC] parsed ID_PROT request 0 [ ID CERT CERTREQ SIG N(INITIAL_CONTACT) ]
Jun 21 11:50:45 debian6 charon: 14[IKE] received cert request for 'C=CH, O=strongSwan, CN=strongSwan CA'
Jun 21 11:50:45 debian6 charon: 14[IKE] received end entity cert "C=CH, O=strongSwan, CN=client"
Jun 21 11:50:45 debian6 charon: 14[IKE] no peer config found
Jun 21 11:50:45 debian6 charon: 14[IKE] queueing INFORMATIONAL task
Jun 21 11:50:45 debian6 charon: 14[IKE] activating new tasks
Jun 21 11:50:45 debian6 charon: 14[IKE] activating INFORMATIONAL task
Jun 21 11:50:45 debian6 charon: 14[ENC] added payload of type NOTIFY_V1 to message
Jun 21 11:50:45 debian6 charon: 14[ENC] added payload of type NOTIFY_V1 to message
Jun 21 11:50:45 debian6 charon: 14[ENC] generating INFORMATIONAL_V1 request 2841545593 [ HASH N(AUTH_FAILED) ]
Jun 21 11:50:45 debian6 charon: 14[ENC] insert payload HASH_V1 into encrypted payload
Jun 21 11:50:45 debian6 charon: 14[ENC] insert payload NOTIFY_V1 into encrypted payload
Jun 21 11:50:45 debian6 charon: 14[ENC] generating payload of type HEADER
Jun 21 11:50:45 debian6 charon: 14[ENC] generating rule 0 IKE_SPI
Jun 21 11:50:45 debian6 charon: 14[ENC] generating rule 1 IKE_SPI
...
Any recommendations would be really appreciated. Thanks in adv.
B. Regards!
Quine
2014-6-21
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