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Thread: Unable to access Remote VPN via Cisco ASA5505

  1. #1
    Junior Member
    Join Date
    Jul 2007
    Posts
    3

    Default Unable to access Remote VPN via Cisco ASA5505

    Hi,

    I configured VPN setting according to Cisco Website's configuration procedure. But I cannot access VPN remote to inside computer from outside computer. I don't know why?

    What I need to put NAT rules, Security Policies or tunnel group etc...? Please kidnly advice to me.

    I use 203.120.120.222 for ASA5505's port-0

    192.168.210.9 for Inside computer use porrt-2
    203.120.120.217 for inside computer's Outside interface

    I configured 203.120.120.221 for Outside computer's IP Address.

    I want to VPN remote access to 192.168.210.9 computer (inside firewall) from 203.120.120.221 computer (outside firewall)

    __________________
    Kindly appreciate for your good advice urgently.

    With Thanks & Best Regards,
    Nelson
    thanhtike@gmail.com

  2. #2
    DirectAdmin Fan :)
    Join Date
    Nov 2006
    Posts
    51

    Default

    You need to apply a no nat statement with the policy ruleset accordingly. The policy ruleset should allow desired internal network access to vpn network.

  3. #3
    HTH
    HTH is offline
    Junior Member
    Join Date
    Jul 2008
    Posts
    1

    Default same problem

    My ASA5505 configurations-

    : Saved
    : Written by enable_15 at 02:22:19.321 UTC Sun Jul 13 2008
    !
    ASA Version 7.2(3)
    !
    hostname ciscoasa
    domain-name default.domain.invalid
    enable password [killed] encrypted
    names
    !
    interface Vlan1
    description $ETH-SW-LAUNCH$$INTF-INFO-HWIC 4ESW$
    nameif inside
    security-level 100
    ip address 192.168.0.1 255.255.255.0
    !
    interface Vlan2
    nameif outside
    security-level 0
    ip address XXXX XXX XXX
    !
    interface Ethernet0/0
    switchport access vlan 2
    !
    interface Ethernet0/1
    !
    interface Ethernet0/2
    !
    interface Ethernet0/3
    !
    interface Ethernet0/4
    !
    interface Ethernet0/5
    !
    interface Ethernet0/6
    !
    interface Ethernet0/7
    !
    passwd [killed] encrypted
    ftp mode passive
    dns domain-lookup outside
    dns server-group DefaultDNS
    name-server XXXX
    name-server XXXX
    domain-name default.domain.invalid
    access-list inside_access_in extended permit icmp any any
    access-list inside_access_in extended permit ip any any
    access-list outside_access_in extended permit icmp any interface outside
    access-list inside_nat0_outbound extended permit ip 192.168.0.0 255.255.255.0 192.10.108.0 255.255.255.0
    access-list BJRAVPN_splitTunnelAcl standard permit 192.168.0.0 255.255.255.0
    pager lines 24
    logging asdm informational
    mtu inside 1500
    mtu outside 1500
    ip local pool vpnpool 192.10.108.1-192.10.108.10 mask 255.255.255.0
    icmp unreachable rate-limit 1 burst-size 1
    asdm image disk0:/asdm-523.bin
    no asdm history enable
    arp timeout 14400
    global (outside) 1 interface
    nat (inside) 0 access-list inside_nat0_outbound
    nat (inside) 1 0.0.0.0 0.0.0.0
    access-group inside_access_in in interface inside
    access-group outside_access_in in interface outside
    route outside 0.0.0.0 0.0.0.0 XXXXXXXX
    timeout xlate 3:00:00
    timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02
    timeout sunrpc 0:10:00 h323 0:05:00 h225 1:00:00 mgcp 0:05:00 mgcp-pat 0:05:00
    timeout sip 0:30:00 sip_media 0:02:00 sip-invite 0:03:00 sip-disconnect 0:02:00
    timeout uauth 0:05:00 absolute
    aaa-server BJservergroup protocol nt
    aaa-server BJservergroup host 192.168.0.21
    timeout 5
    nt-auth-domain-controller BJservergroup
    http server enable
    http 192.168.1.0 255.255.255.0 inside
    http 192.168.0.0 255.255.255.0 inside
    no snmp-server location
    no snmp-server contact
    snmp-server enable traps snmp authentication linkup linkdown coldstart
    crypto ipsec transform-set ESP-DES-SHA esp-des esp-sha-hmac
    crypto ipsec transform-set ESP-DES-MD5 esp-des esp-md5-hmac
    crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 set pfs
    crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 set transform-set ESP-DES-SHA ESP-DES-MD5
    crypto map outside_map 65535 ipsec-isakmp dynamic SYSTEM_DEFAULT_CRYPTO_MAP
    crypto map outside_map interface outside
    crypto isakmp enable outside
    crypto isakmp policy 10
    authentication pre-share
    encryption des
    hash sha
    group 2
    lifetime 86400
    telnet 192.168.0.0 255.255.255.0 inside
    telnet timeout 30
    ssh 192.168.0.0 255.255.255.0 inside
    ssh 0.0.0.0 0.0.0.0 outside
    ssh timeout 60
    console timeout 0
    dhcpd auto_config outside
    !

    !
    class-map inspection_default
    match default-inspection-traffic
    !
    !
    policy-map type inspect dns preset_dns_map
    parameters
    message-length maximum 512
    policy-map global_policy
    class inspection_default
    inspect dns preset_dns_map
    inspect ftp
    inspect h323 h225
    inspect h323 ras
    inspect rsh
    inspect rtsp
    inspect esmtp
    inspect sqlnet
    inspect skinny
    inspect sunrpc
    inspect xdmcp
    inspect sip
    inspect netbios
    inspect tftp
    !
    service-policy global_policy global
    webvpn
    enable outside
    group-policy BJRAVPN internal
    group-policy BJRAVPN attributes
    dns-server value 192.168.0.21 165.21.83.88
    vpn-tunnel-protocol IPSec
    split-tunnel-policy tunnelspecified
    split-tunnel-network-list value BJRAVPN_splitTunnelAcl
    default-domain value XXX.com
    tunnel-group BJRAVPN type ipsec-ra
    tunnel-group BJRAVPN general-attributes
    address-pool vpnpool
    authentication-server-group BJservergroup
    default-group-policy BJRAVPN
    tunnel-group BJRAVPN ipsec-attributes
    pre-shared-key abcde12345
    prompt hostname context
    Cryptochecksum:945ad9cf9fad129b45e3da460c8e26bd
    : end

    it not support for 3Des AEs
    i still can't not access my VPN.
    Pls let me know , what wrong in my configuration.
    Last edited by Kevin; 07-15-2008 at 04:36 AM. Reason: remove some secrets that shouldn't be visible in a public forum

  4. #4
    Junior Member
    Join Date
    Dec 2009
    Posts
    1

    Default

    How can I connect a remote laptop/pda to a company network via VPN? I'm trying to set up a VPN to connect the networks of multiple office buildings. I'm using Cisco equipment so setting up the VPN for the offices is easy but I'm not sure how to enable mobile users to remotely connect to our network via VPN. Is there any special hardware or software I need to purchase/download?

  5. #5
    Junior Member
    Join Date
    Dec 2008
    Posts
    8

    Default

    To sanjeevani:

    No, you don't need any other special hardware to connect mobile users. If you will configure remote access IPSEC vpn, then you just need to install the Cisco VPN client on the mobile user's laptop and configure the appropriate setup on the central site firewall

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