Cisco ASA 5510

Posted on 2015-02-04
Medium Priority
Last Modified: 2015-02-05
I have a Cisco ASA 5510 and we have a vendor that has given me a single ip address on his end. He needs to reach 6 different static ip addresses inside my network through the single vendor supplied ip address. What would the best way to handle this through the firewall? VPN or some other way and how do you set it up?
Question by:CONB_IT
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LVL 25

Expert Comment

by:Ken Boone
ID: 40589042
I would prefer to give them VPN access.  That way the user is authenticated, the traffic is encrypted and you can lock him down to only have access to those 6 IP addresses inside your network.  You can revoke his login anytime you want.

Author Comment

ID: 40589642
How would I do that?
LVL 25

Expert Comment

by:Ken Boone
ID: 40589737
So here is a link to a configuration walk through:


The difference for you is that the split tunnel list will just have those 6 host ip addresses in there.
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Author Comment

ID: 40591077
We don't use Cisco Anyconnect we use the Cisco VPN Client. See Below

Outside vendor IP address 24.x.x.x

Needs to have access to these inside our network ip addresses through the ASA

LVL 25

Accepted Solution

Ken Boone earned 2000 total points
ID: 40591183
So if you are using the old vpn client, its still the same idea.  Set up a new group for this vendor, set up a new IP pool to hand out to this vendor when they connect with vpn.  Then set up a no nat rule just between these 6 ip ranges and the ip pool you assigned to the vendor.  Then set up these 6 ip ranges in a spin tunnel list for this vendor.

Author Closing Comment

ID: 40591246
Thank you! Great help.

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