site2site distance-VPN and access-PIX - no way?

I have,

I have a problem wrt site2site & VPN remote access on a PIX:

My setup is as follows: PIX (6.3) puts an end to two a site2-site VPN and also should the remote access service clients using the client VPN Cisco (4.0.x).

The problem is with remote access VPN clients, obtain an IP address on their VPN interface, but customers cannot reach anything. (Please note that the site2site VPN runs without problem)

To be precise (see config-excerpts below):

The customer, who has 212.138.109.20 as its IP address gets an IP 10.0.100.1 on his card-VPN which comes from the "vpnpool of the pool.

configured on the PIX. This customer relationships to reach servers on interface 'inside' of the PIX as 10.0.1.28.

However, the client cannot achieve * nothing *-a server on the inside or anything like that (e.g. Internet) outside!

Using Ethereal traces, I discovered that the packets arrive inside interface coming 10.0.100.1 (IP address of the)

VPN - client). I also see the response from the server (10.0.1.28) to 10.0.100.1. However for some reason any package does not thanks to

the PIX to the customer. PIX-newspapers also show packets to and from the VPN client to the inside interface - and * no. * drops. So to my knowledge the packets from server to the VPN client really should be done through the PIX.

I have attached the following as separate files:

(o) the parts of the PIX config

(o) packets showing PIX-log between the VPN client and the server (s) on the interface inside

(o) ethereal-trace done inside the watch interface also packets between VPN client and server (s)

I have really scratched my head for a while on this one, tested a lot of things, but I really don't know what could be a problem with my

config.

After all, it really should be possible to run site2site - and on the same PIX VPN remote access, shouldn't it?

Thank you very much in advance for your help,.

-ewald

I think that your problem is in your ACL and your crypto card:

access-list 101 permit ip 10.0.1.0 255.255.255.0 10.0.2.0 255.255.255.0

access-list 101 permit ip 10.0.0.0 255.255.255.0 10.0.2.0 255.255.255.0

access-list 101 permit ip 10.0.3.0 255.255.255.0 10.0.2.0 255.255.255.0

access-list 101 permit ip 10.0.1.0 255.255.255.0 10.0.100.0 255.255.255.0

correspondence address 1 card crypto loc2rem 101

This means that this map correspond to these addresses. But your dynamic map is one that must match 10.0.100.0, 10.0.1.0 traffic because your pool local ip is 10.0.100.x. I think what is happening is that the return traffic from the lan to vpn clients trying to get out of the static tunnel, which probably does not exist (for the netblocks - you probably have a security association for each pair of netblocks, but not for vpn clients) and so do not.

I would recommend adding these lines:

access-list 105 allow ip 10.0.1.0 255.255.255.0 10.0.2.0 255.255.255.0

access-list 105 allow ip 10.0.0.0 255.255.255.0 10.0.2.0 255.255.255.0

access-list 105 permit 10.0.3.0 ip 255.255.255.0 10.0.2.0 255.255.255.0

no correspondence address 1 card crypto loc2rem 101

correspondence address 1 card crypto loc2rem 105

Then reapply:

loc2rem interface card crypto outside

Tags: Cisco Security

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    Backup route 0.0.0.0 0.0.0.0 173.165.159.246 254

    Timeout xlate 03:00

    Conn Timeout 0:00:00 half-closed 0:30:00 udp icmp from 01:00 0:00:02

    Sunrpc timeout 0:10:00 h323 0:05:00 h225 mgcp from 01:00 0:05:00 mgcp-pat 0:05:00

    Sip timeout 0:30:00 sip_media 0:02:00 prompt Protocol sip-0: 03:00 sip - disconnect 0:02:00

    Timeout sip-provisional-media 0:02:00 01:00 uauth uauth absolute inactivity from 01:00

    timeout tcp-proxy-reassembly 0:01:00

    dynamic-access-policy-registration DfltAccessPolicy

    AAA authentication enable LOCAL console

    AAA authentication http LOCAL console

    the ssh LOCAL console AAA authentication

    http server enable 981

    http 192.168.1.0 255.255.255.0 inside

    http 0.0.0.0 0.0.0.0 outside_pri

    http 0.0.0.0 0.0.0.0 backup

    SNMP server group Authentication_Only v3 auth

    SNMP-server host inside 192.168.1.47 survey community lwmedia version 2 c

    No snmp server location

    No snmp Server contact

    Server enable SNMP traps snmp authentication linkup, linkdown cold start

    Sysopt connection tcpmss 1200

    monitor SLA 123

    type echo protocol ipIcmpEcho 216.59.44.220 interface outside_pri

    Annex ALS life monitor 123 to always start-time now

    Crypto ipsec transform-set ESP-AES-256-SHA 256 - aes - esp esp-sha-hmac

    Crypto ipsec transform-set ESP-DES-SHA esp - esp-sha-hmac

    Crypto ipsec transform-set ESP-DES-MD5 esp - esp-md5-hmac

    Crypto ipsec transform-set ESP-AES-192-MD5 esp-aes-192 esp-md5-hmac

    Crypto ipsec transform-set ESP-3DES-MD5-esp-3des esp-md5-hmac

    Crypto ipsec transform-set ESP-AES-128-SHA aes - esp esp-sha-hmac

    Crypto ipsec transform-set ESP-AES-192-SHA esp-aes-192 esp-sha-hmac

    Crypto ipsec transform-set ESP-AES-128-MD5-esp - aes esp-md5-hmac

    Crypto ipsec transform-set ESP-AES-256-MD5 esp-aes-256 esp-md5-hmac

    Crypto ipsec transform-set esp-3des-sha1 esp-3des esp-sha-hmac

    Crypto ipsec transform-set esp-SHA-ESP-3DES-3des esp-sha-hmac

    life crypto ipsec security association seconds 28800

    Crypto ipsec kilobytes of life - safety 4608000 association

    Crypto ipsec df - bit clear-df outside_pri

    crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 pfs Group1 set

    Crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 value transform-set ESP-AES-128-SHA ESP-AES-128-MD5 ESP-AES-192-SHA ESP-AES-192-MD5 ESP-AES-256-SHA ESP-AES-256-MD5 ESP-3DES-SHA MD5-ESP-3DES ESP-DES-SHA ESP-DES-MD5

    card crypto outside_pri_map 1 match address outside_pri_1_cryptomap

    card crypto outside_pri_map 1 set pfs

    peer set card crypto outside_pri_map 1 50.75.217.246

    card crypto outside_pri_map 1 set of transformation-ESP-AES-256-MD5

    card crypto outside_pri_map 2 match address outside_pri_cryptomap

    peer set card crypto outside_pri_map 2 216.59.44.220

    card crypto outside_pri_map 2 the value transform-set ESP-AES-128-SHA ESP-AES-128-MD5 ESP-AES-192-SHA ESP-AES-192-MD5 ESP-AES-256-SHA ESP-AES-256-MD5 ESP-3DES-SHA MD5-ESP-3DES ESP-DES-SHA ESP-DES-MD5

    86400 seconds, duration of life card crypto outside_pri_map 2 set security-association

    card crypto outside_pri_map 3 match address outside_pri_cryptomap_1

    peer set card crypto outside_pri_map 3 216.59.44.220

    outside_pri_map crypto map 3 the value transform-set ESP-AES-128-SHA ESP-AES-128-MD5 ESP-AES-192-SHA ESP-AES-192-MD5 ESP-AES-256-SHA ESP-AES-256-MD5 ESP-3DES-SHA MD5-ESP-3DES ESP-DES-SHA ESP-DES-MD5

    outside_pri_map card crypto 65535-isakmp dynamic ipsec SYSTEM_DEFAULT_CRYPTO_MAP

    card crypto outside_pri_map interface outside_pri

    crypto isakmp identity address

    ISAKMP crypto enable outside_pri

    crypto ISAKMP policy 5

    preshared authentication

    3des encryption

    sha hash

    Group 2

    life 86400

    crypto ISAKMP policy 10

    preshared authentication

    the Encryption

    sha hash

    Group 2

    life 86400

    crypto ISAKMP policy 30

    preshared authentication

    aes-256 encryption

    md5 hash

    Group 2

    life 86400

    crypto ISAKMP policy 50

    preshared authentication

    aes encryption

    md5 hash

    Group 2

    life 86400

    !

    track 1 rtr 123 accessibility

    Telnet timeout 5

    SSH 192.168.1.0 255.255.255.0 inside

    SSH timeout 5

    Console timeout 0

    management-access inside

    dhcpd auto_config outside_pri

    !

    dhcpd address 192.168.1.51 - 192.168.1.245 inside

    dhcpd dns 8.8.8.8 8.8.4.4 interface inside

    rental contract interface 86400 dhcpd inside

    dhcpd field LM inside interface

    dhcpd allow inside

    !

    a basic threat threat detection

    statistical threat detection port

    Statistical threat detection Protocol

    Statistics-list of access threat detection

    a statistical threat detection host number rate 2

    no statistical threat detection tcp-interception

    WebVPN

    port 980

    allow inside

    Select outside_pri

    enable SVC

    attributes of Group Policy DfltGrpPolicy

    VPN-idle-timeout no

    Protocol-tunnel-VPN IPSec l2tp ipsec svc webvpn

    internal GroupPolicy2 group strategy

    attributes of Group Policy GroupPolicy2

    Protocol-tunnel-VPN IPSec svc

    internal levelwingVPN group policy

    attributes of the strategy of group levelwingVPN

    Protocol-tunnel-VPN IPSec svc webvpn

    Split-tunnel-policy tunnelspecified

    value of Split-tunnel-network-list levelwingVPN_splitTunnelAcl

    username password encrypted Z74.JN3DGMNlP0H2 privilege 0 aard

    aard attribute username

    VPN-group-policy levelwingVPN

    type of remote access service

    rcossentino 4UpCXRA6T2ysRRdE encrypted password username

    username rcossentino attributes

    VPN-group-policy levelwingVPN

    type of remote access service

    bcherok evwBWqKKwrlABAUp encrypted password username

    username bcherok attributes

    VPN-group-policy levelwingVPN

    type of remote access service

    rscott nIOnWcZCACUWjgaP encrypted password privilege 0 username

    rscott username attributes

    VPN-group-policy levelwingVPN

    sryan 47u/nJvfm6kprQDs password encrypted username

    sryan username attributes

    VPN-group-policy levelwingVPN

    type of nas-prompt service

    username, password cbruch a8R5NwL5Cz/LFzRm encrypted privilege 0

    username cbruch attributes

    VPN-group-policy levelwingVPN

    type of remote access service

    apellegrino yy2aM21dV/11h7fR password encrypted username

    username apellegrino attributes

    VPN-group-policy levelwingVPN

    type of remote access service

    username rtuttle encrypted password privilege 0 79ROD7fRw5C4.l5

    username rtuttle attributes

    VPN-group-policy levelwingVPN

    username privilege 15 encrypted password vJFHerTwBy8dRiyW levelwingadmin

    username password nbrothers Amjc/rm5PYhoysB5 encrypted privilege 0

    username nbrothers attributes

    VPN-group-policy levelwingVPN

    clong z.yb0Oc09oP3/mXV encrypted password username

    clong attributes username

    VPN-group-policy levelwingVPN

    type of remote access service

    username, password finance 9TxE6jWN/Di4eZ8w encrypted privilege 0

    username attributes finance

    VPN-group-policy levelwingVPN

    Protocol-tunnel-VPN IPSec l2tp ipsec svc webvpn

    type of remote access service

    IPSec-attributes tunnel-group DefaultL2LGroup

    Disable ISAKMP keepalive

    tunnel-group 50.75.217.246 type ipsec-l2l

    IPSec-attributes tunnel-group 50.75.217.246

    pre-shared-key *.

    Disable ISAKMP keepalive

    type tunnel-group levelwingVPN remote access

    tunnel-group levelwingVPN General-attributes

    address LVCHSVPN pool

    Group Policy - by default-levelwingVPN

    levelwingVPN group of tunnel ipsec-attributes

    pre-shared-key *.

    tunnel-group 216.59.44.221 type ipsec-l2l

    IPSec-attributes tunnel-group 216.59.44.221

    pre-shared-key *.

    tunnel-group 216.59.44.220 type ipsec-l2l

    IPSec-attributes tunnel-group 216.59.44.220

    pre-shared-key *.

    Disable ISAKMP keepalive

    !

    !

    !

    Policy-map global_policy

    !

    context of prompt hostname

    Cryptochecksum:ed7f4451c98151b759d24a7d4387935b

    : end

    Hello

    It seems to me that you've covered most of the things.

    You however not "said" Configuring VPN L2L that traffic between the pool of VPN and network camp should be in tunnel

    outside_pri_cryptomap to access extended list ip 192.168.12.0 allow 255.255.255.0 object-group CHS-Colo

    Although naturally the remote end must also the corresponding configurations for users of VPN clients be able to pass traffic to the site of the camp.

    -Jouni

  • PIX-to-client VPN and how to reach on other interfaces systems

    Hi all

    I've implemented a Pix-to-Client VPN and it seems works ok.

    As you can see, customer gets the same inside the class address (192.168.100.x) so I can reach across systems.

    My questions are:

    If I give different subnet pool addresses, how can 1 I still reach inside systems?

    2 if I have other systems on these interfaces such dmz1 (192.168.10.0) dmz2 (192.168.20.0) how to get to these systems of the

    even the client vpn access?

    Concerning

    Alberto Brivio

    IP local pool vpnpool1 192.168.100.70 - 192.168.100.80

    access-list 102 permit ip 192.168.100.0 255.255.255.0 192.168.100.0 255.255.255.0

    NAT (inside) - 0 102 access list

    Permitted connection ipsec sysopt

    Crypto ipsec transform-set esp - esp-md5-hmac trmset1

    Crypto-map dynamic map2 10 set transform-set trmset1

    map map1 10 ipsec-isakmp crypto dynamic map2

    map1 outside crypto map interface

    ISAKMP allows outside

    ISAKMP identity address

    part of pre authentication ISAKMP policy 10

    encryption of ISAKMP policy 10

    ISAKMP policy 10 md5 hash

    10 2 ISAKMP policy group

    ISAKMP life duration strategy 10 86400

    vpngroup address vpnpool1 pool test

    vpngroup split tunnel 102 test

    vpngroup test 1800 idle time

    test vpngroup password *.

    It is generally preferable to use another range of IP addresses. The PIX will know that the VPN Client uses that vary and route it properly whitch is not the case when you are using the same IP range as the inside interface.

    To access another interface use the SHEEP (your ACL 102) access list which disables NAT between the VPN and the neworks to which you want to connect.

    Example of config:

    access-list allowed SHEEP Internalnet ISubnetMask VPN-pool 255.255.255.0 ip

    access-list allowed SHEEP DMZnet DMZSubnetMask VPN-pool 255.255.255.0 ip

    NAT (inside) 0 SHEEP

    AAA-server local LOCAL Protocol

    AAA authentication secure-http-client

    Permitted connection ipsec sysopt

    Crypto ipsec transform-set esp-3des esp-md5-hmac TRANS

    Crypto-map dynamic outside_dyn_map 20 game of transformation-TRANS

    card crypto 65535 REMOTE ipsec-isakmp dynamic outside_dyn_map

    REMOTE client authentication card crypto LOCAL

    interface card crypto remotely outside

    ISAKMP allows outside

    ISAKMP identity address

    ISAKMP nat-traversal 20

    part of pre authentication ISAKMP policy 10

    ISAKMP policy 10 3des encryption

    ISAKMP policy 10 md5 hash

    10 2 ISAKMP policy group

    ISAKMP life duration strategy 10 86400

    IP pool local VPNPool x.y.z.1 - x.y.z.254

    vpngroup VPNGroup address pool VPNPool

    vpngroup VPNGroup dns-server dns1 dns2

    vpngroup VPNGroup default-domain localdomain

    vpngroup idle 1800 VPNGroup-time

    vpngroup VPNGroup password grouppassword

    username, password vpnclient vpnclient-password

    sincerely

    Patrick

  • remote VPN and vpn site to site vpn remote users unable to access the local network

    As per below config remote vpn and vpn site to site vpn remote users unable to access the local network please suggest me a required config

    The local 192.168.215.4 not able ping server IP this server connectivity remote vpn works fine but not able to ping to the local network vpn users.

    ASA Version 8.2 (2)
    !
    host name
    domain kunchevrolet
    activate r8xwsBuKsSP7kABz encrypted password
    r8xwsBuKsSP7kABz encrypted passwd
    names of
    !
    interface Ethernet0/0
    nameif outside
    security-level 0
    PPPoE client vpdn group dataone
    IP address pppoe
    !
    interface Ethernet0/1
    nameif inside
    security-level 50
    IP 192.168.215.2 255.255.255.0
    !
    interface Ethernet0/2
    nameif Internet
    security-level 0
    IP address dhcp setroute
    !
    interface Ethernet0/3
    Shutdown
    No nameif
    no level of security
    no ip address
    !
    interface Management0/0
    Shutdown
    No nameif
    no level of security
    no ip address
    management only
    !
    passive FTP mode
    clock timezone IST 5 30
    DNS server-group DefaultDNS
    domain kunchevrolet
    permit same-security-traffic intra-interface
    object-group network GM-DC-VPN-Gateway
    object-group, net-LAN
    access extensive list ip 192.168.215.0 sptnl allow 255.255.255.0 192.168.2.0 255.255.255.0
    192.168.215.0 IP Access-list extended sheep 255.255.255.0 allow 192.168.2.0 255.255.255.0
    tunnel of splitting allowed access list standard 192.168.215.0 255.255.255.0
    pager lines 24
    Enable logging
    asdm of logging of information
    Outside 1500 MTU
    Within 1500 MTU
    MTU 1500 Internet
    IP local pool VPN_Users 192.168.2.1 - 192.168.2.250 mask 255.255.255.0
    ICMP unreachable rate-limit 1 burst-size 1
    enable ASDM history
    ARP timeout 14400
    NAT-control
    Global 1 interface (outside)
    NAT (inside) 1 0.0.0.0 0.0.0.0
    Route outside 0.0.0.0 0.0.0.0 59.90.214.1 1
    Timeout xlate 03:00
    Timeout conn 01:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02
    Sunrpc timeout 0:10:00 h323 0:05:00 h225 mgcp from 01:00 0:05:00 mgcp-pat 0:05:00
    Sip timeout 0:30:00 sip_media 0:02:00 prompt Protocol sip-0: 03:00 sip - disconnect 0:02:00
    Timeout sip-provisional-media 0:02:00 uauth 0:05:00 absolute
    timeout tcp-proxy-reassembly 0:01:00
    dynamic-access-policy-registration DfltAccessPolicy
    the ssh LOCAL console AAA authentication
    AAA authentication LOCAL telnet console
    AAA authentication http LOCAL console
    AAA authentication enable LOCAL console
    LOCAL AAA authentication serial console
    Enable http server
    x.x.x.x 255.255.255.252 out http
    http 192.168.215.0 255.255.255.252 inside
    http 192.168.215.0 255.255.255.0 inside
    No snmp server location
    No snmp Server contact
    Server enable SNMP traps snmp authentication linkup, linkdown cold start
    Crypto ipsec transform-set esp-3des esp-sha-hmac RIGHT
    life crypto ipsec security association seconds 28800
    Crypto ipsec kilobytes of life - safety 4608000 association
    Crypto-map dynamic dynmap 65500 transform-set RIGHT
    card crypto 10 VPN ipsec-isakmp dynamic dynmap
    card crypto VPN outside interface
    card crypto 10 ASA-01 set peer 221.135.138.130
    card crypto 10 ASA - 01 the transform-set RIGHT value
    crypto ISAKMP allow outside
    crypto ISAKMP policy 10
    preshared authentication
    3des encryption
    sha hash
    Group 2
    life 86400
    crypto ISAKMP policy 65535
    preshared authentication
    the Encryption
    sha hash
    Group 2
    lifetime 28800
    Telnet 192.168.215.0 255.255.255.0 inside
    Telnet timeout 5
    SSH 0.0.0.0 0.0.0.0 outdoors
    SSH timeout 5
    Console timeout 0
    management-access inside
    VPDN group dataone request dialout pppoe
    VPDN group dataone localname bb4027654187_scdrid
    VPDN group dataone ppp authentication chap
    VPDN username bb4027654187_scdrid password * local store
    interface for identifying DHCP-client Internet customer
    dhcpd dns 218.248.255.141 218.248.245.1
    !
    dhcpd address 192.168.215.11 - 192.168.215.254 inside
    dhcpd allow inside
    !
    a basic threat threat detection
    Statistics-list of access threat detection
    no statistical threat detection tcp-interception
    Des-sha1 encryption SSL
    WebVPN
    allow outside
    tunnel-group-list activate
    internal kun group policy
    kun group policy attributes
    VPN - connections 8
    Protocol-tunnel-VPN IPSec
    Split-tunnel-policy tunnelspecified
    Split-tunnel-network-list value split tunnel
    kunchevrolet value by default-field
    test P4ttSyrm33SV8TYp encrypted password username
    username kunauto password bSHrKTGl8PUbvus / encrypted privilege 15
    username kunauto attributes
    Strategy Group-VPN-kun
    Protocol-tunnel-VPN IPSec
    tunnel-group vpngroup type remote access
    tunnel-group vpngroup General attributes
    address pool VPN_Users
    Group Policy - by default-kun
    tunnel-group vpngroup webvpn-attributes
    the vpngroup group alias activation
    vpngroup group tunnel ipsec-attributes
    pre-shared key *.
    type tunnel-group test remote access
    tunnel-group x.x.x.x type ipsec-l2l
    tunnel-group ipsec-attributes x.x.x.x
    pre-shared key *.
    !
    class-map inspection_default
    match default-inspection-traffic
    !
    !
    type of policy-card inspect dns preset_dns_map
    parameters
    maximum message length automatic of customer
    message-length maximum 512
    Policy-map global_policy
    class inspection_default
    inspect the preset_dns_map dns
    inspect the ftp
    inspect h323 h225
    inspect the h323 ras
    Review the ip options
    inspect the netbios
    inspect the rsh
    inspect the rtsp
    inspect the skinny
    inspect esmtp
    inspect sqlnet
    inspect sunrpc
    inspect the tftp
    inspect the sip
    inspect xdmcp
    inspect the icmp
    !
    global service-policy global_policy
    context of prompt hostname
    call-home
    Profile of CiscoTAC-1
    no active account
    http https://tools.cisco.com/its/service/oddce/services/DDCEService destination address
    email address of destination [email protected] / * /
    destination-mode http transport
    Subscribe to alert-group diagnosis
    Subscribe to alert-group environment
    Subscribe to alert-group monthly periodic inventory
    monthly periodicals to subscribe to alert-group configuration
    daily periodic subscribe to alert-group telemetry
    Cryptochecksum:0d2497e1280e41ab3875e77c6b184cf8
    : end
    kunauto #.

    Hello

    Looking at the configuration, there is an access list this nat exemption: -.

    192.168.215.0 IP Access-list extended sheep 255.255.255.0 allow 192.168.2.0 255.255.255.0

    But it is not applied in the States of nat.

    Send the following command to the nat exemption to apply: -.

    NAT (inside) 0 access-list sheep

    Kind regards

    Dinesh Moudgil

    P.S. Please mark this message as 'Responded' If you find this information useful so that it brings goodness to other users of the community

  • Installation of site to site VPN IPSec using PIX and ASA

    / * Style definitions * / table. MsoNormalTable {mso-style-name : « Table Normal » ; mso-tstyle-rowband-taille : 0 ; mso-tstyle-colband-taille : 0 ; mso-style-noshow:yes ; mso-style-priorité : 99 ; mso-style-qformat:yes ; mso-style-parent : » « ;" mso-rembourrage-alt : 0 à 5.4pt 0 à 5.4pt ; mso-para-margin : 0 ; mso-para-marge-bottom : .0001pt ; mso-pagination : widow-orphelin ; police-taille : 11.0pt ; famille de police : « Calibri », « sans-serif » ; mso-ascii-font-family : Calibri ; mso-ascii-theme-font : minor-latin ; mso-fareast-font-family : « Times New Roman » ; mso-fareast-theme-font : minor-fareast ; mso-hansi-font-family : Calibri ; mso-hansi-theme-font : minor-latin ; mso-bidi-font-family : « Times New Roman » ; mso-bidi-theme-font : minor-bidi ;}

    I am a site configuration to site IPSec VPN using a PIX515E to site A and ASA5520 to Site B.

    I have attached the lab diagram. Consider PIX and ASA are in default configuration, which means that nothing is configured on both devices.

    According to the scheme

    ASA5520

    External interface is the level of security 11.11.10.1/248 0

    The inside interface is 172.16.9.2/24 security level 100

    Default route is 0.0.0.0 0.0.0.0 11.11.10.2 1

    PIX515E

    External interface is the level of security 123.123.10.2/248 0

    The inside interface is 172.16.10.1/24 security level 100

    Default route is 0.0.0.0 0.0.0.0 123.123.10.1 1

    / * Style definitions * / table. MsoNormalTable {mso-style-name : « Table Normal » ; mso-tstyle-rowband-taille : 0 ; mso-tstyle-colband-taille : 0 ; mso-style-noshow:yes ; mso-style-priorité : 99 ; mso-style-qformat:yes ; mso-style-parent : » « ;" mso-rembourrage-alt : 0 à 5.4pt 0 à 5.4pt ; mso-para-margin : 0 ; mso-para-marge-bottom : .0001pt ; mso-pagination : widow-orphelin ; police-taille : 11.0pt ; famille de police : « Calibri », « sans-serif » ; mso-ascii-font-family : Calibri ; mso-ascii-theme-font : minor-latin ; mso-fareast-font-family : « Times New Roman » ; mso-fareast-theme-font : minor-fareast ; mso-hansi-font-family : Calibri ; mso-hansi-theme-font : minor-latin ; mso-bidi-font-family : « Times New Roman » ; mso-bidi-theme-font : minor-bidi ;}

    Could someone tell me how to set up this configuration? I tried but didn't workout. Here is the IKE protocol I have used.

    IKE information:

    IKE Encrytion OF

    MD5 authentication method

    Diffie Helman Group 2

    Failure to life

    IPSEC information:

    IPsec encryption OF

    MD5 authentication method

    Failure to life

    Please enter the following command

    on asa

    Sysopt connection permit VPN

    on pix not sure of the syntax, I think it is

    Permitted connection ipsec sysopt

    What we are trying to do here is basically allowing vpn opening ports

    Alternatively you can open udp 500 and esp (or port ip 50) out to in on the two firewalls

  • CSA with the Client VPN and remote access

    Hello world!

    I have the folowing isue: I have to tune in to the CSA for a clinet it connects remote with VPN Client only. He should not be able to connect to any other network or lan or dial-up.

    No idea what the policy should change or tune?

    Thank you

    You can create an access network rule that depends on a State of the system. The State of the system can be defined to have a game of skill, which belongs to the range of VPN and the network access rule would declare that the client computer cannot act as a server on UDP/TCP ports when the State of the system is ensured.

    So, if the laptop is not connected to the VPN, it would not be able to act as a server for connections to all and will be locked out. You will need to create an exception for the IP address of the VPN server to your corporate offices and allow the CSA client opening these ports.

  • VPN inside a PIX (General Questions)

    Hello

    I'm trying to implement a scenario of communication between a customer inside a pix that talks to a server on the outside. The customer must have an ipsec inside connection. I have the following config and a few questions I´d be very happy to get an answer for...

    Backup on the interface outside the security0 Server

    Client safety within 100 interface

    The client IP address is 200.200.212.194

    backup server address is 200.200.202.201

    I want to implement a VPN client connection to the inside interface, and therfore have implemented the following configuration.

    external IP 200.200.202.200 255.255.255.0

    IP address inside 200.200.212.193 255.255.255.192

    access-list 100 permit host 200.200.202.201 ip 10.3.3.0 255.255.255.0

    IP local pool privada 10.3.3.1 - 10.3.3.254

    Crypto ipsec transform-set esp-3des esp-sha-hmac RIGHT

    Crypto-map dynamic dynmap 10 transform-set RIGHT

    map mymap 10-isakmp ipsec crypto dynamic dynmap

    client configuration address map mymap crypto initiate

    client configuration address map mymap crypto answer

    mymap map crypto inside interface

    ISAKMP allows inside

    ISAKMP key * address 0.0.0.0 netmask 0.0.0.0

    ISAKMP identity address

    part of pre authentication ISAKMP policy 10

    ISAKMP policy 10 3des encryption

    ISAKMP policy 10 sha hash

    10 2 ISAKMP policy group

    ISAKMP life duration strategy 10 86400

    vpngroup address private pool PRIVADAGROUP

    PRIVADAGROUP vpngroup password *.

    vpngroup split tunnel 100 PRIVADAGROUP

    I have a few questions about this configuration maybe some kind soul able to respond.

    1. the VPN clients receive an address (10.3.3.1) for example through the IKE negotiation. When I ping my server from the client with the active VPN tunnel I assume the real package that passes through the wire has 10.3.3.1 a source address and a destination of 200.200.212.193 (endpoint the VPN and inside interface). Within IPSEC, the package is my real ip with a source 200.200.212.194 address (address of the real client) and a destination address of 200.200.202.201 (address of the backup server that I am trying to ping). If all this makes sense and is correct could you confirm the following point.

    2 when the PIX deencrypts the package and removes the IPSEC header I find myself with my IP packet of origin with a source 200.200.212.194 address (address of the real client) and a destination address of 200.200.202.201 (address of the backup server that I am trying to ping). I don't know if I need then the following configuration to allow the package to be transferred to the backup without NAT server:

    access-list allowed sheep host ip 200.200.212.194 255.255.255.0 200.200.202.0 255.255.255.0

    NAT (inside) 0 access-list sheep

    I was previously using the following configuration and it seemed to work but the more I think the less sense it seems to do as I´d wait for the SENATE to run on the dencypted package. I must be missing something or confused, or both.

    IP 10.3.3.0 allow Access-list sheep 255.255.255.0 200.200.202.0 255.255.255.0

    NAT (inside) 0 access-list sheep

    3. as a last and probably least I m pretty sure I don't have to line "isakmp key * address 0.0.0.0 netmask 0.0.0.0" when connecting with a VPN client software only. Somone can confirm that for me.

    I'm actually trying to get this to work remotely with someone else doing the actual work and we don't speak the same language.

    Any help to store my confused brain would be appreciated.

    1. No, it's the other way around. The real package that passes through the wire has the address IP of the PC (200.200.212.194) as a source. Within the IPSec packet is allocated 10.3.3.1 as source IP address. When the PIX decrypts the packet, the outer header is removed, and the package has a source of 10.3.3.1 as it is sent to your server on the outside. The external server will respond to 10.3.3.1 so it must be routed to the PIX for her to work.

    Think of this as the normal instance with the PC to the outside through the Internet. A package from of and sent to 10.3.3.1 would never do to the original PC. The encrypted IPSec packet always contains the VPN endpoints real IP source and destination addresses. The decrypted original deck contains allocated as source IP and the actual destination as destination (usually also a private address) computer.

    2. This should make more sense now that you know the answer to 1.

    3. you don't need that if you have a "vpngroup password xxxx" command. This command «isakmp key...» "If there is no specific vpngroup key, or someone connects with a different groupname.

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