To Next PageTo Next PageWhat to do if the Fortinet FortiGate FortiGate-4000 Firewall policy has wrong source and destination addresses?
If you're experiencing issues with your Fortinet Firewall due to incorrect source and destination addresses in the firewall policy, re-enter the correct source and destination addresses.
Why do IKE or IPSec proposal combinations mismatch in Fortinet Firewall proposal lists?
To resolve IKE or IPSec proposal mismatches on your Fortinet Firewall, ensure that both the FortiGate unit and the remote peer are configured to use identical proposals.
How to fix wrong preshared key on Fortinet FortiGate FortiGate-4000?
If you suspect an incorrect preshared key is causing issues with your Fortinet Firewall, re-enter the preshared key to ensure it is correct.
What to do if the encryption policy order is wrong in the Fortinet FortiGate FortiGate-4000 Firewall policy table?
To correct the order of encryption policies in your Fortinet Firewall policy table, ensure that the encryption policy is placed above other non-encryption policies.
Why IKE or IPSec Diffie-Hellman group is wrong or mismatched on Fortinet FortiGate FortiGate-4000 Firewall?
To fix a wrong or mismatched IKE or IPSec Diffie-Hellman group issue on your Fortinet Firewall, make sure you select the correct DH group on both ends of the connection.
How to fix wrong direction of the encryption policy on Fortinet Firewall?
To correct the direction of the encryption policy on your Fortinet Firewall, change the policy to internal-to-external.
How to reset Aggressive Mode peer ID on Fortinet Firewall?
If you encounter issues related to an incorrect Aggressive Mode peer ID on your Fortinet Firewall, reset it to the correct Peer ID.
What to do if Perfect Forward Secrecy (PFS) is not enabled on Fortinet FortiGate FortiGate-4000?
If Perfect Forward Secrecy (PFS) is required but not enabled on your Fortinet Firewall, enable PFS to resolve the issue.
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