Port 4500 ipsec/udp traffice

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Port 4500 ipsec/udp traffice

L4 Transporter

How do I check to see it the PA is dropping port 4500 traffic?

36 REPLIES 36

the only thing I need to rule out is that it is being blocked by the PA and I am trying to find the best way to verify that

NO, It's not blocked by PAN. Your VPN gateway ( SonicWALL) is not accepting the IKE messages. The issue is not related to PAN.

Hope this helps.

Thanks

Thats what I told the vendor what information from the PA would definitely show that its not being blocked by the PA

So the ike 500  that is being sent from the fortinet behind our PA has to be accepted by the 3rd party device for the 4500/ipsec/udp traffic/tunnel to be built

Yes,  You are absolutely correct.

Is there any information that can show the vendor that the PA is not blocking the traffice 500 or 4500?

Previously mentioned "session details"  will be enough to prove, PAN is not dropping the packet. Moreover, your vendor should know the working functionality of VPN in conjunction with NAT-T.

Thanks

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