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  • 1.  Problems using shrew vpn client to connect to ns5gt

    Posted 02-27-2011 07:20

    Hi guys,
    I'm trying to connect to Juniper NS5GT (Hardware Version: 1010, Firmware Version:6.2.0r2.0 Firewall+VPN) with Shrew VPN Client 2.1.7 (running on Win7 64bit) without success.
    I used http://www.shrew.net/support/wiki/HowtoJuniperSsg to configure both sides.


    Messages in shrew client window are
    ===
    config loaded for site '222.61.123.22'
    configuring client settings...
    attached to key daemon ...
    peer configured
    iskamp proposal configured
    esp proposal configured
    client configured
    local id configured
    remote id configured
    pre-shared key configured
    bringing up tunnel ...
    user authentication error
    tunnel disabled
    detached from key daemon ...

    ===


    Error Messages on juniper are
    ===
    2011-02-27 15:27:29    info    IKE 62.143.130.124: XAuth login failed for gateway vpnclient_gateway, username thorsten, retry: 0, timeout: 1.
    2011-02-27 15:27:29    info    Rejected an IKE packet on ethernet3 from 62.143.130.124:4500 to 222.61.123.22:4500 with cookies e11944da1f039872 and b6cc949745492852 because A Phase 2 packet arrived while XAuth was still pending.
    2011-02-27 15:27:29    info    IKE 62.143.130.124 Phase 1: Completed Aggressive mode negotiations with a 28800-second lifetime.
    2011-02-27 15:27:29    info    IKE 62.143.130.124 Phase 1: Completed for user client.jersa.de.
    2011-02-27 15:27:29    info    IKE<62.143.130.124> Phase 1: IKE responder has detected NAT in front of the remote device.
    2011-02-27 15:27:29    info    IKE<62.143.130.124> Phase 1: IKE responder has detected NAT in front of the local device.
    2011-02-27 15:27:29    info    IKE 62.143.130.124 phase 1:The symmetric crypto key has been generated successfully.
    2011-02-27 15:27:29    info    IKE 62.143.130.124 Phase 1: Responder starts AGGRESSIVE mode negotiations.
    ===


    The pw for user thorsten is correct, I already tried to connect with a wrong pw and got a different error message.


    Shrew Configuration is
    ===
    n:version:2
    n:network-ike-port:500
    n:network-mtu-size:1380
    n:client-addr-auto:1
    n:network-natt-port:4500
    n:network-natt-rate:15
    n:network-frag-size:540
    n:network-dpd-enable:1
    n:client-banner-enable:0
    n:network-notify-enable:1
    n:client-wins-used:0
    n:client-wins-auto:1
    n:client-dns-used:1
    n:client-dns-auto:1
    n:client-splitdns-used:0
    n:client-splitdns-auto:0
    n:phase1-dhgroup:2
    n:phase1-life-secs:86400
    n:phase1-life-kbytes:0
    n:vendor-chkpt-enable:0
    n:phase2-life-secs:3600
    n:phase2-life-kbytes:0
    n:policy-nailed:0
    n:policy-list-auto:0
    n:phase2-keylen:0
    s:network-host:222.61.123.22
    s:client-auto-mode:push
    s:client-iface:direct
    s:network-natt-mode:enable
    s:network-frag-mode:enable
    s:auth-method:mutual-psk-xauth
    s:ident-client-type:fqdn
    s:ident-server-type:fqdn
    s:ident-client-data:client.jersa.de
    s:ident-server-data:vpngw.jersa.de
    b:auth-mutual-psk:dGVzdDJURVNU
    s:phase1-exchange:aggressive
    s:phase1-cipher:auto
    s:phase1-hash:auto
    s:phase2-transform:auto
    s:phase2-hmac:auto
    s:ipcomp-transform:disabled
    n:phase2-pfsgroup:-1
    s:policy-level:auto
    s:policy-list-include:10.1.1.0 / 255.255.255.0
    ===


    Configuration of juniper is
    ===
    unset key protection enable
    set clock ntp
    set clock timezone 1
    set clock dst recurring start-weekday 2 0 3 02:00 end-weekday 1 0 11 02:00
    set vrouter trust-vr sharable
    set vrouter "untrust-vr"
    exit
    set vrouter "trust-vr"
    unset auto-route-export
    exit
    set service "Videoserver TCP 9999" protocol tcp src-port 0-65535 dst-port 9999-9999
    set service "pcanywhere" protocol tcp src-port 0-65535 dst-port 5631-5631
    set service "pcanywhere" + udp src-port 0-65535 dst-port 5632-5632
    set service "POP3s" protocol tcp src-port 0-65535 dst-port 995-995
    set service "SMTPs" protocol tcp src-port 0-65535 dst-port 465-465
    set alg appleichat enable
    unset alg appleichat re-assembly enable
    unset alg p2p enable
    set alg sctp enable
    set auth-server "Local" id 0
    set auth-server "Local" server-name "Local"
    set auth default auth server "Local"
    set auth radius accounting port 1646
    set zone "Trust" vrouter "trust-vr"
    set zone "Untrust" vrouter "untrust-vr"
    set zone "DMZ" vrouter "trust-vr"
    set zone "VLAN" vrouter "trust-vr"
    set zone id 100 "vpn"
    set zone "Untrust-Tun" vrouter "trust-vr"
    set zone "Trust" tcp-rst
    set zone "Untrust" block
    unset zone "Untrust" tcp-rst
    set zone "MGT" block
    set zone "DMZ" tcp-rst
    unset zone "V1-Trust" tcp-rst
    unset zone "V1-Untrust" tcp-rst
    unset zone "VLAN" tcp-rst
    unset zone "vpn" tcp-rst
    set zone "Untrust" screen tear-drop
    set zone "Untrust" screen syn-flood
    set zone "Untrust" screen ping-death
    set zone "Untrust" screen ip-filter-src
    set zone "Untrust" screen land
    set zone "V1-Untrust" screen tear-drop
    set zone "V1-Untrust" screen syn-flood
    set zone "V1-Untrust" screen ping-death
    set zone "V1-Untrust" screen ip-filter-src
    set zone "V1-Untrust" screen land
    set interface "ethernet1" zone "Trust"
    set interface "ethernet2" zone "DMZ"
    set interface "ethernet3" zone "Untrust"
    set interface ethernet1 ip 10.1.1.1/24
    set interface ethernet1 nat
    set interface ethernet2 ip 10.99.99.1/24
    set interface ethernet2 nat
    set interface ethernet3 ip 222.61.123.22/30
    set interface ethernet3 route
    unset interface vlan1 ip
    set interface ethernet1 proxy dns
    unset interface vlan1 bypass-others-ipsec
    unset interface vlan1 bypass-non-ip
    set interface ethernet1 ip manageable
    unset interface ethernet2 ip manageable
    set interface ethernet3 ip manageable
    unset interface ethernet1 manage telnet
    unset interface ethernet1 manage snmp
    set interface ethernet3 manage ssh
    set interface ethernet3 manage ssl
    set interface ethernet3 vip interface-ip 9999 "HTTP" 10.99.99.99
    unset interface ethernet1 dhcp server config next-server-ip
    unset interface ethernet1 dhcp server config updatable
    set flow tcp-mss
    unset flow no-tcp-seq-check
    set flow tcp-syn-check
    unset flow tcp-syn-bit-check
    set flow reverse-route clear-text prefer
    set flow reverse-route tunnel always
    set console page 0
    set hostname nsjs
    set dbuf usb filesize 0
    set pki authority default scep mode "auto"
    set pki x509 default cert-path partial
    set dns host dns3 0.0.0.0
    set dns host name ns-5gt-205 10.1.1.1
    set dns proxy
    set dns proxy enable
    set dns server-select domain * outgoing-interface ethernet3 primary-server 212.202.215.1 secondary-server 212.202.215.2 tertiary-server 194.8.194.60
    set address "Trust" "10.1.1.0/24" 10.1.1.0 255.255.255.0
    set address "DMZ" "10.255.255.0/24" 10.255.255.0 255.255.255.0
    set address "DMZ" "10.99.99.0/24" 10.99.99.0 255.255.255.0
    set ippool "vpnclient" 10.1.2.1 10.1.2.10
    set user "thorsten" uid 2
    set user "thorsten" type xauth
    set user "thorsten" remote ippool "vpnclient"
    set user "thorsten" password "***"
    unset user "thorsten" type auth
    set user "thorsten" "enable"
    set user "vpnclient_ph1id" uid 1
    set user "vpnclient_ph1id" ike-id fqdn "client.jersa.de" share-limit 2
    set user "vpnclient_ph1id" type ike
    set user "vpnclient_ph1id" "enable"
    set user-group "vpnclient_group" id 1
    set user-group "vpnclient_group" user "vpnclient_ph1id"
    set crypto-policy
    exit
    set ike gateway "vpnclient_gateway" dialup "vpnclient_group" Aggr local-id "vpngw.jersa.de" outgoing-interface "ethernet3" preshare "***" proposal "pre-g2-3des-sha" "pre-g2-3des-md5" "pre-g2-aes128-sha" "pre-g2-aes128-md5"
    set ike gateway "vpnclient_gateway" dpd-liveness interval 30
    unset ike gateway "vpnclient_gateway" nat-traversal udp-checksum
    set ike gateway "vpnclient_gateway" nat-traversal keepalive-frequency 20
    set ike gateway "vpnclient_gateway" xauth server "Local"
    unset ike gateway "vpnclient_gateway" xauth do-edipi-auth
    set ike respond-bad-spi 1
    set ike ikev2 ike-sa-soft-lifetime 60
    unset ike ikeid-enumeration
    unset ike dos-protection
    unset ipsec access-session enable
    set ipsec access-session maximum 5000
    set ipsec access-session upper-threshold 0
    set ipsec access-session lower-threshold 0
    set ipsec access-session dead-p2-sa-timeout 0
    unset ipsec access-session log-error
    unset ipsec access-session info-exch-connected
    unset ipsec access-session use-error-log
    set xauth default ippool "vpnclient"
    set xauth default dns1 10.1.1.1
    set vpn "vpnclient_tunnel" gateway "vpnclient_gateway" replay tunnel idletime 0 proposal "nopfs-esp-3des-sha"  "nopfs-esp-3des-md5"  "nopfs-esp-aes128-sha"  "nopfs-esp-aes128-md5"
    set vpn "vpnclient_tunnel" monitor
    set vrouter "untrust-vr"
    exit
    set vrouter "trust-vr"
    exit
    set url protocol websense
    exit
    set policy id 11 from "Trust" to "Untrust"  "Any" "Any" "ANY" permit log
    set policy id 11 disable
    set policy id 11
    exit
    set policy id 1 from "Trust" to "Untrust"  "10.1.1.0/24" "Any" "DNS" permit log
    set policy id 1
    set service "FTP"
    set service "HTTP"
    set service "HTTPS"
    set service "NTP"
    set service "pcanywhere"
    set service "PING"
    set service "POP3"
    set service "POP3s"
    set service "SMTP"
    set service "SMTPs"
    set service "TRACEROUTE"
    set service "Videoserver TCP 9999"
    exit
    set policy id 4 from "Trust" to "Untrust"  "Any" "Any" "UDP-ANY" deny log
    set policy id 4
    exit
    set policy id 12 from "Untrust" to "DMZ"  "Any" "Any" "ANY" permit log
    set policy id 12 disable
    set policy id 12
    exit
    set policy id 2 from "Untrust" to "DMZ"  "Any" "VIP(ethernet3)" "HTTP" permit log
    set policy id 2
    set service "HTTPS"
    set service "Videoserver TCP 9999"
    exit
    set policy id 3 from "Trust" to "Untrust"  "Any" "Any" "ANY" deny log
    set policy id 3
    exit
    set policy id 5 from "Untrust" to "DMZ"  "Any" "Any" "ANY" deny log
    set policy id 5
    exit
    set policy id 6 from "Trust" to "DMZ"  "10.1.1.0/24" "10.99.99.0/24" "HTTP" permit log
    set policy id 6
    set service "HTTPS"
    set service "PING"
    exit
    set policy id 7 from "Trust" to "DMZ"  "Any" "Any" "ANY" deny log
    set policy id 7
    exit
    set policy id 16 from "Untrust" to "Trust"  "Any" "Any" "ANY" permit log
    set policy id 16 disable
    set policy id 16
    exit
    set policy id 15 name "vpnclient_inbound" from "Untrust" to "Trust"  "Dial-Up VPN" "10.1.1.0/24" "ANY" tunnel vpn "vpnclient_tunnel" id 0x2 log
    set policy id 15
    exit
    set policy id 8 from "Untrust" to "Trust"  "Any" "Any" "ANY" deny log
    set policy id 8
    exit
    set policy id 13 from "DMZ" to "Trust"  "Any" "Any" "ANY" permit log
    set policy id 13 disable
    set policy id 13
    exit
    set policy id 9 from "DMZ" to "Trust"  "Any" "Any" "ANY" deny log
    set policy id 9
    exit
    set policy id 14 from "DMZ" to "Untrust"  "Any" "Any" "ANY" permit log
    set policy id 14 disable
    set policy id 14
    exit
    set policy id 10 from "DMZ" to "Untrust"  "Any" "Any" "ANY" deny log
    set policy id 10
    exit
    set log cli enable
    set nsmgmt bulkcli reboot-timeout 60
    set ssh version v2
    set ssh enable
    set config lock timeout 5
    unset license-key auto-update
    set ssl port 23143
    set ntp server "192.53.103.103"
    set ntp server backup1 "192.53.103.104"
    set ntp server backup2 "192.53.103.108"
    set ntp interval 1440
    set modem speed 115200
    set modem retry 3
    set modem interval 10
    set modem idle-time 10
    set snmp port listen 161
    set snmp port trap 162
    set vrouter "untrust-vr"
    set route 0.0.0.0/0 interface ethernet3 gateway *** permanent
    set route 10.1.1.0/24 vrouter "trust-vr" preference 20 metric 1
    set route 10.99.99.0/24 vrouter "trust-vr" preference 20 metric 1
    exit
    set vrouter "trust-vr"
    unset add-default-route
    set route 0.0.0.0/0 vrouter "untrust-vr" preference 20 metric 1
    exit
    set vrouter "untrust-vr"
    exit
    set vrouter "trust-vr"
    exit
    ===

    Shrew Debug log is attached. I think "user thorsten authentication failed" is the relevant message
    Juniper Debug log (debug ike detail) is also attached. I think “xauth login FAILED. gw <vpnclient_gateway>, username <thorsten>, retry: 0, timeout: 1” is the relevant message.

    Timestamps don't match because I took the debugs at different points of time.

    Does anybody have an idea what's going wrong?

     

    Many thanks in advance

    Thorsten


    #NS5GT
    #shrew

    Attachment(s)

    txt
    shrew_log.txt   14 KB 1 version
    txt
    juniper_debuglog.txt   31 KB 1 version


  • 2.  RE: Problems using shrew vpn client to connect to ns5gt
    Best Answer

     
    Posted 02-28-2011 01:27

    Hi Thorsten,

     

    I've had a quick look at your configuration and the thing I noticed is that your Shrew client addressing method is set to Direct. This should be set to "Use virtual adapter and assigned address".  That way your virtual adapter is assigned an IP-address from your "vpnclient" pool. This could be the reason that your Xauth login fails.

     

    Best regards,

    Steve