Site to site VPN PIX problem
Hello, I have a problem when I need to implement a VPN IPSEC with ESP and key pré-partagées between two sites...
The two sites are using PIX Firewall (Version 6.3 (3) to complete the VPN)
I'm ok with the VPN configuration and have tested & it works
the problem is that the PIX at the remote end must be behind a DSL router that is PATting for the PIX
This is because the ISP can only assign a public IP address and that is to their adsl router and I don't have a public IP address that I can directly attribute to the PIX...
is there some way I can put the second PIX address of outside interface on a private and still make a VPN connection with it?
LAN1---PIX1---INTERNET---ADSLROUTER---PIX2---LAN2
Thank you very much
You will not be able to specify PIX2 private address in the config of PIX1, cause your ESP packets never get there through the Internet.
The only way it would work is to configure the port on the ADSL router mappings, which maps the specific packages through to the PIX interface address. Config of PIX1 would then point to the ADSL router interface address.
Or you can talk to the ISP and try and get another IP address, and then create a mapping on the ADSL router and everything for this grace IP address to map to the PIX.
Or you could configure PPPoE directly on the PIX and get rid of the ADSL router in total. See here (http://www.cisco.com/univercd/cc/td/doc/product/iaabu/pix/pix_sw/v_63/config/pixclnt.htm#wp1072346) for more details.
Tags: Cisco Security
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Our ISP to the remote end will provide only a public IP address and which is attributed to their router...
Sites are using pre-shared keys and IKE
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I guess that NAT - T is most commonly used in a customer VPN environment, but I'm sure that its not limited to this type of connection.
I just set up a VPN this morning with the help of a customer on a router running 12.2.15T and tested connection with NAT - T works very well by using IP addresses.
NAT - T enabled by a NAT detection process, and there is that to protect the ESP of a change should work in both environments.
I'll have a go in my lab, see if I can implement and check it.
However by going to the original post, you say that only one address is available from the ISP, it is on the router for pix link?
Where are the limits of NAT, I expect to be in the PIX, but it must be a public IP address on you interfaces also. You can then use the external address as endpoints IPSec, don't need NAT - T in any case.
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ISADB: Reaper checking HIS 0xac149c, id_conn = 0 DELETE IT!Peer VPN: ISAKMP: ip:208.249.117.203/500 Ref cnt decremented to peers: 0 Total VPN
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local (identity) = 70.91.20.245, distance = 208.249.117.203.
local_proxy = 0.0.0.0/0.0.0.0/0/0 (type = 4),
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Newspapers, I see you are using a VPN 3000 Concentrator as the remote vpn end point. Now, also of the debugs next section is interesting:
local (identity) = 70.91.20.245, distance = 208.249.117.203.
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If your PIX is running version 6.3.x: http://www.cisco.com/en/US/products/hw/vpndevc/ps2284/products_configuration_example09186a00800949d2.shtml
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See you soon,.
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How the DLINK has been configured for traffic between the site to site VPN subnets? You are able to add multiple remote subnets on DLINK? If you can, then you must add the pool of Client VPN subnet.
Alternatively, if you cannot add multiple subnet on DLINK router, you can change the pool of Client VPN 192.168.6.0/24, and on the crypto ACL between the site to site VPN, you must edit the 180 existing ACL
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FK - U host name. S. - Raleigh - ASA
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name 10.239.192.141 AccessSwitch1IDFB
name 10.239.192.143 AccessSwitch1IDFC
name 10.239.192.140 AccessSwitch1MDFA
name 10.239.192.142 AccessSwitch2IDFB
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name 10.239.192.2 CoreSwitch1
name 10.239.192.3 CoreSwitch2
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interface Ethernet0/3
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IP 192.168.1.1 255.255.255.0
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object-network 10.239.192.128 255.255.255.128
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Access extensive list Meridian-backup-Net ip Outside_access_in 255.255.255.128 DM_INLINE_NETWORK_3 object-group enable
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Vital_VPN list extended access allow icmp 10.239.199.0 255.255.255.192 object-group Vital-equipment-access to the network
Vital_VPN of access allowed any ip an extended list
Outside_cryptomap_1 list extended access allowed object-group DM_INLINE_NETWORK_4 Maridian-primary-Net 255.255.255.128 ip
access list Vital-Site-to-site access extended allow ip object-DM_INLINE_NETWORK_5 group Vital-network-hardware-access object
Vital-Site-to-Site-access extended access list permits object-group DM_INLINE_SERVICE_3-group of objects DM_INLINE_NETWORK_6 object-group Vital-equipment-access to the network
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pager lines 24
Enable logging
exploitation forest asdm warnings
Outside 1500 MTU
MTU 1500 Inside1
management of MTU 1500
mask IP local pool access remote 10.239.199.11 - 10.239.199.62 255.255.255.192
ICMP unreachable rate-limit 1 burst-size 1
ASDM image disk0: / asdm - 621.bin
don't allow no asdm history
ARP timeout 14400
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NAT (Inside1) 0-list of access Inside1_nat0_outbound
NAT (Inside1) 1 10.0.0.0 255.0.0.0
Access-group Outside_access_in in interface outside
Access-group Inside1_access_in in interface Inside1
Route outside 0.0.0.0 0.0.0.0 140.239.116.161 1
Route Inside1 10.192.52.0 255.255.255.0 10.239.192.1 1
Route Inside1 10.195.64.0 255.255.240.0 10.239.192.1 1
Route Inside1 10.239.0.0 255.255.0.0 10.239.192.1 1
Route Inside1 10.239.192.0 255.255.248.0 10.239.192.1 1
Route out of the Maridian-primary-Net 255.255.255.0 Outside_Interface 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
dynamic-access-policy-registration DfltAccessPolicy
Enable http server
http 66.104.209.192 255.255.255.224 outside
http 192.168.1.0 255.255.255.0 management
http 10.239.172.0 255.255.252.0 Inside1
SNMP-server host Inside1 10.239.132.225 community appfirestarter * #*.
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contact Server SNMP Kevin mcdonald
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Crypto ipsec transform-set ESP-3DES-MD5-esp-3des esp-md5-hmac
Crypto ipsec transform-set ESP-AES-256-MD5 esp-aes-256 esp-md5-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-AES-256-SHA 256 - aes - esp esp-sha-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-SHA-ESP-3DES-3des esp-sha-hmac
life crypto ipsec security association seconds 28800
Crypto ipsec kilobytes of life - safety 4608000 association
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Dynamic crypto map SYSTEM_DEFAULT_CRYPTO_MAP 65535 define security association lifetime 28800 seconds
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card crypto Outside_map 65535-isakmp dynamic ipsec SYSTEM_DEFAULT_CRYPTO_MAP
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crypto ISAKMP allow outside
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md5 hash
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life 86400
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preshared authentication
3des encryption
sha hash
Group 2
life 86400
Telnet timeout 5
SSH timeout 5
Console timeout 0
outside access management
management of 192.168.1.2 - dhcpd address 192.168.1.254
enable dhcpd management
!
a basic threat threat detection
Statistics-list of access threat detection
no statistical threat detection tcp-interception
WebVPN
allow outside
tunnel-group-list activate
internal strategy of State civil-access to the network group
Group Policy attributes Vital access to the network
value of server DNS 10.239.192.10
value of VPN-filter Vital_VPN
Protocol-tunnel-VPN IPSec webvpn
Split-tunnel-policy tunnelspecified
Split-tunnel-network-list value vital-network-Access_splitTunnelAcl
value of remote access address pools
internal state civil-Site-to-Site-GroupPolicy group strategy
Civil-site-a-site-grouppolicy-strategie status of group attributes
value of VPN-filter Vital-Site-to-Site-access
Protocol-tunnel-VPN IPSec l2tp ipsec webvpn
username APPRaleigh encrypted password m40Ls2r9N918trxp
username APPRaleigh attributes
VPN-group-policy Vital-network access
type of remote access service
username, password kmadmin u8urNz44/I.ugcF. encrypted privilege 15
tunnel-group 65.118.69.251 type ipsec-l2l
tunnel-group 65.118.69.251 General-attributes
Group Policy - by Defaut-vital-site-a-site-grouppolicy
IPSec-attributes tunnel-group 65.118.69.251
pre-shared-key *.
tunnel-group 65.123.23.194 type ipsec-l2l
tunnel-group 65.123.23.194 General-attributes
Group Policy - by Defaut-vital-site-a-site-grouppolicy
IPSec-attributes tunnel-group 65.123.23.194
pre-shared-key *.
remote access of type tunnel-group Vital access to the network
tunnel-group Vital access to the network general-attributes
Access to distance-address pool
Group Policy - by default-state civilian access to the network
tunnel-group Vital access to the network ipsec-attributes
pre-shared-key *.
!
class-map inspection_default
match default-inspection-traffic
!
!
type of policy-card inspect dns migrated_dns_map_1
parameters
message-length maximum 512
Policy-map global_policy
class inspection_default
inspect the migrated_dns_map_1 dns
inspect the ftp
inspect h323 h225
inspect the h323 ras
inspect the rsh
inspect the rtsp
inspect esmtp
inspect sqlnet
inspect the skinny
inspect sunrpc
inspect xdmcp
inspect the sip
inspect the netbios
inspect the tftp
!
global service-policy global_policy
context of prompt hostname
Cryptochecksum:a080b1759b57190ba65d932785ad4967
: endcan you confirm if we have the exact reflection of crypto acl at the other end
I feel may be you have a 24 10.239.192.0 255.255.255.0 on the other end in the remote network
can you please confirm that
also a reason, why you use 10.239.192.0 255.255.255.128 and 10.239.192.128 255.255.255.128 instead of 10.239.192.0 255.255.255.0
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PIX Site to Site VPN to aid to specific port
Good day to all!
I know that to have establish a site to site VPN using 2 PIX firewall, it should be noted the interesting traffic on both sides. Usually, we make the following statement:
accessList AllowedTraffic ip 192.168.2.1 allow 192.168.3.1
But I thought what happens if specify us specific ports on the
The ACL that is used for interesting VPN as HTTPS traffic? Like the one below:
Acccess-list AllowedTraffic tcp 192.168.2.1 192.168.3.1 eq 443
Comments would be nice...
Thank you...
Chris
Here are my configs when I tested it. I hope this helps! If Yes, please rate.
Thank you
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Greetings,
I practice implementation of VPN and it seems to have fallen on a small issue that solution eludes me. Everything works in my current topology with the exception of a multi-site vpn. I have 3 ASA, which is outside the interface is connected via a switch. The inside interface is connected to a local area network that contains a workstation on each subnet. I'm trying to set up a solution where I can have all 3 ASA related between them via a VPN. The question I have is when I raise a single tunnel, scathing from a workstation behind the ASA, I can't set up a second tunnel scathing from a different network. To explain that better, here is an explanation:
ASA #1
outdoors: 10.0.1.1/24
inside: 192.168.0.1/24
workstation: 192.168.0.100
ASA #2
outside: 10.0.1.2/24
inside: 192.168.1.1/24
workstation: 192.168.1.100
ASA #3
outside: 10.0.1.3/24
inside: 192.168.2.1/24
workstation: 192.168.2.100
If I ping 192.168.0.100 192.168.1.100, the tunnel opens very well and I get answers. If I can try and ping 192.168.0.100 192.168.2.100, does not open the tunnel to 192.168.2.0. If I clear all its on ASA #1 and then ping 192.168.0.100 192.168.2.100, the tunnel opens very well and I get a response. Then I try and ping 192.168.0.100 192.168.1.100 and the same thing happens, no tunnel and no response. When I enabled logging on ASA #1 seems that it sends the ping for the different network on the tunnel open instead of opening a new tunnel to the correct network. Can someone tell me what is happening here and if I just missed something simple with routing? Or is it maybe a problem with VPN?
Craig,
You have default route badly configured on all the ASA. Here's what you have configured
ASA1
Route outside 0.0.0.0 0.0.0.0 192.168.0.1 1
It's sendning the package for outside inside IP address. Here's what you need to do on the ASA
ASA1
No route outside 0.0.0.0 0.0.0.0 192.168.0.1 1
Route outside 0.0.0.0 0.0.0.0 10.0.1.2
ASA2
No route outside 0.0.0.0 0.0.0.0 192.168.1.1 1
Route outside 0.0.0.0 0.0.0.0 10.0.1.1
ASA3
No route outside 0.0.0.0 0.0.0.0 192.168.2.1 1
Route outside 0.0.0.0 0.0.0.0 10.0.1.1
Also delete icmp access list crypto that you allowed to what IP is the same access list. IP covers both the ICMP.
Kindly let me know change default allows traffic.
Kind regards
Bad Boy
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
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Hello, I'm having a problem with my VPN configuration. I have two locations each with she is has a subnett. I have a VPN site-to site between the two locations. The site to site VPN is up and fully functional without any problem. Now if I'm away from work and to connect with the site A VPN client, I cannot ping or connect what either on site B. Or if I am connected to site B by a VPN I can't ping or connect what to site A.
I hope that makes sense, but I'll be happy to give more details on Setup if necessary.
I think that the command you need is:
same-security-traffic permit Intra-interface (not inter-interface)
The remote VPN and VPN site - to use the same outside interface, so this command allows VPN traffic out this interface pin
Sent by Cisco Support technique iPad App
-
Problem with Site-to-Site VPN. VPN tunnel is broken but can ping
OK, so I am trying to understand why I can't not only appears when I sh crypto isakmp his or sh crypto ipsec his. I did the basic to site vpn settings to another and I can't ping on both networks fine no problem. So, when I ping from one pc to the address 172.16.0.0 192.168.0.0 network network there is no problem at all because the pings are very well received. But when I go to sh crypto isakmp sa, there's simply nothing and I can't for the life of understand me why. I watched my sh run for both routers and all seems well, but I guess I could be overlooking something. I would really appreciate if someone could help me to diagnose this problem.
I've attached my plotter file of package and two routers use the binary password. I also have the sh run two routers also attached.
I'm not on any of the router 172.16.0.0/24 only 172.16.0.0/16 and I think that is the question.
In Crypto ACL you have on the router of branch:
!
S2S-VPN-TRAFFIC extended IP access list
Licensing ip 192.168.0.0 0.0.0.255 172.16.0.0 0.0.0.255
If it should not be:
!
S2S-VPN-TRAFFIC extended IP access list
Licensing ip 192.168.0.0 0.0.0.255 172.16.0.0 0.0.255.255
and coursed mirrored on the main router.
If this isn't the case, you are saying that some ping between 192.168.0.x and 172.16.0.x is going ok. Can you please indicate exactly that one? I could see that you have attached a package tracer, but I couldn't open it.
-
Convert the VPN Site-to-Site of PIX to ASA 8.2
I worked on the conversion of a config above a PIX an ASA 8.2 but I am running into trouble with the site to site vpn. The PIX has a VPN client and site to site. Given that some of the configs for the cross from site to site on the VPN client I'm confuse. Any help would be apperciated.
Below are excerpts from just the PIX VPN related orders.
permit access ip 192.168.0.0 list Remote_splitTunnelAcl 255.255.0.0 any
inside_outbound_nat0_acl ip access list allow any 192.168.0.160 255.255.255.240
inside_outbound_nat0_acl Zenoss_OS CNP 255.255.255.0 ip host allowed access list
inside_outbound_nat0_acl SilverBack NOC 255.255.255.0 ip host allowed access list
inside_outbound_nat0_acl allowed host NOC 255.255.255.0 enoss_Hardware ip access-list
outside_cryptomap_dyn_20 ip access list allow any 192.168.0.160 255.255.255.240
outside_cryptomap_20 Zenoss_OS CNP 255.255.255.0 ip host allowed access list
outside_cryptomap_20 SilverBack NOC 255.255.255.0 ip host allowed access list
outside_cryptomap_20 Zenoss_Hardware CNP 255.255.255.0 ip host allowed access list
IP pool local DHCP_Pool 192.168.0.161 - 192.168.0.174
NAT (inside) 0-list of access inside_outbound_nat0_acl
Sysopt connection permit VPN
Crypto ipsec transform-set ESP-DES-SHA esp - esp-sha-hmac
Crypto ipsec transform-set ESP-DES-MD5 esp - esp-md5-hmac
Dynamic crypto map outside_dyn_map 20 match address outside_cryptomap_dyn_20
Crypto-map dynamic outside_dyn_map 20 the transform-set ESP-DES-MD5 value
outside_map 20 ipsec-isakmp crypto map
card crypto outside_map 20 match address outside_cryptomap_20
card crypto outside_map 20 peers set 205.x.29.41
outside_map crypto 20 card value transform-set ESP-DES-SHA
map outside_map 65535-isakmp ipsec crypto dynamic outside_dyn_map
client authentication card crypto outside_map LOCAL
outside_map interface card crypto outside
ISAKMP allows outside
ISAKMP key address 205.x.29.41 netmask 255.255.255.255 No.-xauth-config-mode no.
ISAKMP nat-traversal 180
part of pre authentication ISAKMP policy 20
encryption of ISAKMP policy 20
ISAKMP policy 20 md5 hash
20 2 ISAKMP policy group
ISAKMP duration strategy of life 20 86400
part of pre authentication ISAKMP policy 40
encryption of ISAKMP policy 40
ISAKMP policy 40 sha hash
40 2 ISAKMP policy group
ISAKMP duration strategy of life 40 86400
vpngroup address pool DHCP_Pool GHA_Remote
vpngroup dns 192.168.0.11 server GHA_Remote
vpngroup wins 192.168.0.11 GHA_Remote-Server
vpngroup GHA_Remote by default-field x.org
vpngroup split tunnel Remote_splitTunnelAcl GHA_Remote
vpngroup idle 1800 GHA_Remote-time
vpngroup password KEY GHA_Remote
I guess what I really wonder is if someone can convert the version of site to site of this VPN ASA 8.2 config so I can compare it to what I have. I need to have this, so I can just fall into place and work.
Also, it does appear that political isakmp 40 are used, correct?
On your ASA in Setup mode, simply type vpnsetup steps for remote access ipsec or vpnsetup site - not and it lists what it takes or you can download the PIX of the ASA migration tool.
-
Hello
is it possible to install?
I have a pc and I want to connect to the Remote LAN.
PC (using vpn client) - vpn (internet)---> ROUTER1 - a vpn (MPLS network)---> ROUTER2---> SERVER site
How can I connect to a remote server? Is there an easy way?
I did the configuration of the vpn client (I can connect ROUTER1 and access a LAN via vpn with 192.168.1.x), but I can't connect to the server, even if I set the subnet (192.168.1.x) under the access list of site to site vpn (access list for traffic that must pass between ROUTER1 and ROUTER2).
Please advise! Thanks in advance.
Looks like I've not well explained.
On ROUTER1
===================
1 ACL VNC_acl is used to split tunnel, so you should include IP server_NET it NOT vpn IP pool.
2 ACL najavorbel is used to set the lan lan traffic between ROUTER1 and ROUTER2, 2 you should inlcude
IP 192.168.133.0 allow 0.0.0.255 0.0.0.255
You must change the crypto ROUTER2 ACL of the minor or the najavorbel of the ACL
The other way to is to the client VPN NAT IP to a local area network lan IP ROUTER1, in this way, you don't need any changes on ROUTER2. But I have to take a look at your configuration to make the suggestion.
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