Allowing external IP access via VPN Client
We are looking for our remote VPN users to access an external IP address. Basically once users authenticate when they try to access 202.1.56.19, they should be out nat through the external interface of the firewall. Below is out of the package violated on "vpn ecrypt" tracer and as an extract from the config. On the client, I see that the road to 202.1.56.19 was added, but it does not work.
Please advise more information be required ing. Thank you.
access list INSIDE-OUT scope ip 10.15.160.0 allow 255.255.255.0 any
access OUTSIDE list / allowed extended Interior ip 10.15.160.0 255.255.255.0 any
Access-group OUTSIDE / inside interface OUTSIDE-IDC
NONATIDC list of allowed ip extended access all 10.15.160.0 255.255.255.0
NAT (INSIDE) 0-list of access NONATIDC
NAT (INSIDE) 1 10.15.160.0 255.255.255.0
Global (OUTSIDE-IDC) 1 128.15.155.2
internal CorpVPN group strategy
attributes of Group Policy CorpVPN
value of server DNS 10.15.155.17
VPN-idle-timeout no
VPN-session-timeout no
Protocol-tunnel-VPN IPSec
Split-tunnel-policy tunnelspecified
value of Split-tunnel-network-list SplitTunnel
something.com value by default-field
attributes global-tunnel-group CorpVPN
address pool CorpVPNpool
Group Policy - by default-CorpVPN
IPSec-attributes tunnel-group CorpVPN
pre-shared key
Standard access list SplitTunnel allow 192.168.168.0 255.255.255.0
SplitTunnel list standard access allowed host 202.1.56.19
Packet-trace input outside-iDC tcp 10.15.160.18 22 202.1.56.19 22
Phase: 1
Type: ACCESS-LIST
Subtype:
Result: ALLOW
Config:
Implicit rule
Additional information:
MAC access list
Phase: 2
Type: FLOW-SEARCH
Subtype:
Result: ALLOW
Config:
Additional information:
Not found no corresponding stream, creating a new stream
Phase: 3
Type:-ROUTE SEARCH
Subtype: entry
Result: ALLOW
Config:
Additional information:
in 0.0.0.0 0.0.0.0 OUTSIDE-IDC
Phase: 4
Type: ACCESS-LIST
Subtype: Journal
Result: ALLOW
Config:
Access-group OUTSIDE / inside interface OUTSIDE-IDC
access OUTSIDE list / allowed extended Interior ip 10.15.160.0 255.255.255.0 any
Additional information:
Phase: 5
Type: IP-OPTIONS
Subtype:
Result: ALLOW
Config:
Additional information:
Phase: 6
Type: CP-PUNT
Subtype:
Result: ALLOW
Config:
Additional information:
Phase: 7
Type: VPN
Subtype: ipsec-tunnel-flow
Result: ALLOW
Config:
Additional information:
Phase: 8
Type: VPN
Subtype: encrypt
Result: DECLINE
Config:
Additional information:
Result:
input interface: OUTSIDE-IDC
entry status: to the top
entry-line-status: to the top
output interface: OUTSIDE-IDC
the status of the output: to the top
output-line-status: to the top
Action: drop
Drop-reason: flow (acl-drop) is denied by the configured rule
Essentially, the traffic needs to make a u-turn at ASA outside interface if I understand your configuration.
You need the following to make it work.
-permit same-security-traffic intra-interface
-Host202 of the 10.15.160.0 ip access list permit 255.255.255.0 host 202.1.56.19
-nat (OUTSIDE-IDC) 1 access-list Host202
Tags: Cisco Security
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IP nat inside source static 192.168.1.2 1.2.3.6 sheep map routeHTH
Herbert
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Access control for Client VPN on Cisco 5520
I use the ASDM to Setup client vpn for users. At some point in the wizard, you specify the traffic that is exempt from NAT that users can access. But there was no other controls on which ports/protocols to which they have access. My question is, where I would put the access rules? I would put them inside incoming interface (in the Security Policy tab) or y at - it somewhere in the tab (for example, the section of Group Policy) VPN I have let / restricts specific ports/protocols? I would just use trial and error but there are active P2P VPN on this box and the last time I added a new access rule for the inbound interface inside, he ended up breaking all P2P VPN access. Any suggestions?
Thank you
The f
I'm sure you know, but that will affect all traffic, not just VPN, so don't forget to write your acl correctly, to allow what you want the vpn client subnet, deny the rest of the vpn client subnet, then let everything else. You must also make "no sysopt connection allowed-/ ipsec vpn" or traffic will deviate the acl. Good luck
Oh, and don't forget your other vpn tunnels.
-
Between the VPN Client and VPN from Site to Site
Looking for an example of ASA 8.0 configuration allowing traffic between a Cisco VPN client host and destination of remote access connected via LAN/Site-to-Site tunnel. The remote access client and the tunnel site-to-site terminate on the same device of the SAA.
Thanks in advance.
-Rey
Hi Rey,
Here is an example of a config for what you are looking for.
I hope this helps.
PS: This uses GANYMEDE + for authentication, you can replace it with your authentication method.
Kind regards
Assia
-
IPSec site to site VPN cisco VPN client routing problem and
Hello
I'm really stuck with the configuration of ipsec site to site vpn (hub to spoke, multiple rays) with cisco vpn remote client access to this vpn.
The problem is with remote access - cisco vpn client access - I can communicate with hub lan - but I need also communication of all lans speaks of the cisco vpn client.
There are on the shelves, there is no material used cisco - routers DLINK.
Someone told me that it is possible to use NAT to translate remote access IP-lan-HUB customers and thus allow communication - but I'm unable to set up and operate.
Can someone help me please?
Thank you
Peter
RAYS - not cisco devices / another provider
Cisco 1841 HSEC HUB:
crypto ISAKMP policy 1
BA 3des
preshared authentication
Group 2
ISAKMP crypto key x xx address no.-xauth
!
the group x crypto isakmp client configuration
x key
pool vpnclientpool
ACL 190
include-local-lan
!
86400 seconds, duration of life crypto ipsec security association
Crypto ipsec transform-set esp-3des esp-sha-hmac 1cisco
!
Crypto-map dynamic dynmap 10
Set transform-set 1cisco
!
card crypto ETH0 client authentication list userauthen
card crypto isakmp authorization list groupauthor ETH0
client configuration address card crypto ETH0 answer
ETH0 1 ipsec-isakmp crypto map
set peer x
Set transform-set 1cisco
PFS group2 Set
match address 180
card ETH0 10-isakmp ipsec crypto dynamic dynmap
!
!
interface FastEthernet0/1
Description $ES_WAN$
card crypto ETH0
!
IP local pool vpnclientpool 192.168.200.100 192.168.200.150
!
!
overload of IP nat inside source list LOCAL interface FastEthernet0/1
!
IP access-list extended LOCAL
deny ip 192.168.7.0 0.0.0.255 192.168.1.0 0.0.0.255
deny ip 192.168.7.0 0.0.0.255 192.168.200.0 0.0.0.255
IP 192.168.7.0 allow 0.0.0.255 any
!
access-list 180 allow ip 192.168.7.0 0.0.0.255 192.168.1.0 0.0.0.255
access-list 190 allow ip 192.168.7.0 0.0.0.255 192.168.200.0 0.0.0.255
!
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
DE:
access-list 180 allow ip 192.168.7.0 0.0.0.255 192.168.1.0 0.0.0.255
access-list 180 allow ip 192.168.200.0 0.0.0.255 192.168.1.0 0.0.0.255
TO:
access-list 180 allow ip 192.168.6.0 0.0.1.255 192.168.1.0 0.0.0.255
Also change the ACL 190 split tunnel:
DE:
access-list 190 allow ip 192.168.7.0 0.0.0.255 192.168.200.0 0.0.0.255
access-list 190 allow ip 192.168.1.0 0.0.0.255 192.168.200.0 0.0.0.255
TO:
access-list 190 allow ip 192.168.7.0 0.0.0.255 192.168.6.0 0.0.0.255
access-list 190 allow ip 192.168.1.0 0.0.0.255 192.168.6.0 0.0.0.255
Finally, replace the remote subnet 192.168.7.0/255.255.255.0 192.168.6.0/255.255.254.0 DLINK.
Hope that helps.
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Access remote VPN question - hairpin
Hello, I did a search before posting this question but I have not found anything specific to my situation.
We have our ASA5520 configured in our main office to allow remote access Cisco VPN client users to access our network. We have a (network 192.168.1.0/24) remote desktop we have a configured on the same ASA5520 VPN IPSec tunnel that allows the use of internal users (in the main office) to access resources on the network remote (192.168.1.0) and vice versa. The problem is that when users connect to the remote VPN access, they are not able to access the resources of the remote office network. We created the nat0 ACL and labour, and split tunnel routing is implemented for users VPN remote network access (if I make a copy of the route on my laptop after connecting to the VPN, I see the road to 192.168.0.0/24 in my routing table). Routing everything is in place to do this, since the IPSec VPN tunnel is up and working. My suspicion is that the question has something to do with the consolidation of these VPN clients.
What else needs to be configured to work? Thank you.
Hi Scott,.
I have a client with a PIX 515E which allows connections to remote VPN and VPN LAN2LAN multiple connections.
We had this problem too... so what I made in my pix was:
TEST (config) # same-security-traffic intra-interface permits (its off by default)
If you use ASDM go to:
Configuration > Interfaces >
at the bottom of this page, there is an option that says: 'enable traffic between two or more host computers connected to the same interface '.
Check and it should work... I hope
I await your comments...
Kind regards.
Joao Tendeiro
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