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Assigning vpn client ip address range

Posted on 2005-03-03
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Last Modified: 2013-11-16
I have a class c internal lan and will be implementing vpn. I would like my vpn clients to securely access my internal resources via vpn and be able to browse internet at the same time. I've read articles that seem to suggest this is not recommended as the vpn client can become a virtual gateway into the corporate network for hackers.

My questions are:
Do I assign an offset ip address range to my vpn clients e.g use class A addresses for vpn clients to prevent users being able to surf and access vpn resources simultaneously
Do I need to assign static vpn IPs or can i get dhcp working for my vpn clients

I'm using checkpoint fwall & vpn
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Question by:isltt
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by:ahoffmann
ahoffmann earned 750 total points
ID: 13452958
if your client can surf simultaneously depends on the client's vpn software
As you're using checkpoint, I assume that your clients are using checkpoints vpn client too. Then there is a setting that the client is not allowed to route other traffic thatn that through the vpn tunnel.
If you have done this, then you can restrict those (vpn)IPS to go to internet using your checkpoint rules.
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harbor235 earned 750 total points
ID: 13452977
There are security implications when using split-tunnel mode (internet access via VPN). If you do not
trust the VPN users then I would not allow them internet access. Why allow them to surf the internet on your dime? You cannot control who has access at the remote end,also, VPN access should use authentication to verify user credentials. Checkpoint can use SecureID,Secure remote, LDAP, Radius, etc .... I would use them. It all depends how important your site security is and what you feel comfortable with. Assign a unique address range dynamically for the incoming VPN users.

harbor235
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