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Pix firewall for IPSEC VPN BEHIND a NAT router, which ports to pass?

I have a network inside of a network which is connected to the internet via a NAT firewall. I don't want to pass ALL ports (DMZ) to the inside pix firewall, so if I want to use Cisco's IPSEC client, which ports do I need to pass in order to make it work? Thanks.

500 points for a quick answer!
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it2gostl
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it2gostl
1 Solution
 
stressedout2004Commented:
You need the following ports:

UDP 500
UDP 4500
Protocol ESP
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it2gostlAuthor Commented:
Thanks!!
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