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[FW-1] IKE Encryption Problems with SecuRemote



I have been helping another user on this list troubleshoot a SecuRemote
problem and at this point we are stumped.

When FWZ is used, everything works fine.

When IKE is used, nothing works.

Users can download the topology but authentication hangs.

Traffic leaves the client system to UDP port 500, arrives at the firewall,
and then nothing happens (verified through a traffic dump). No return
traffic is generated at all.

IKE is enabled on both sides, the user is defined correctly, but the
remote firewall simply refuses to answer the isakmp exchange.

The client is running SR 4.1 SP5 on Win2k Professional.

The firewall is running 4.1 SP5 on Win2k Advanced Server.

Using this client I can connect to all of my Nokia 4.1 firewalls.

This is not working whether or not client side NAT is involved.

Any suggestions would be greatly appreciated.

Rulebase consists of two rules:
remote_users@any    internal-net    ANY    Client_Encrypt
ANY                 ANY             ANY    ACCEPT

Though we have tried many variations on rules and configurations.

-Don

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