VPN behind PIX firewall

5 pts.
Tags:
Cisco
Cisco PIX 525
Cisco VPN
Cisco VPN Error Messages
Firewalls
PIX 525 firewall
VPN
VPN connectivity
Hi, I have a PIX firewall and I am trying to make a vpn connection from client machine behind the firewall to a server in another site, with a public IP. I am getting error 800. need help please

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For IPSEC VPNs, you need to be sure to have UDP/TCP port 500 (isakmp) opened. The firewall will also need to permit protocol 50 (ESP) traffic. You will also need to create a mapped IP through the firewall. IPSEC does not play well with some network address translation (NAT) implementations.

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