Two SRX Series devices are having problems establishing an IPsec VPN session. One of the
devices has a firewall filter applied to its gateway interface that rejects UDP traffic.
What would resolve the problem?
A.
Disable the IKE Phase 1 part of the session establishment.
B.
Disable the IKE Phase 2 part of the session establishment.
C.
Change the configuration so that session establishment uses TCP.
D.
Edit the firewall filter to allow UDP port 500.
Explanation:
The right answer is D.
IKE uses UDP messages on port 500. You can’t disable Phase 1 or Phase 2 for establishing the tunnel, lol 🙂
You can’t switch to TCP just like that either 🙂
D is the correct Answer
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