Addresses and Policies
Make sure when adding any policy or address it is also added to the policy or address that you are trying to affect.
CLI Commands
Ping - can also be used as nslookup
- exec ping <ip address or FQDN>
FQDN addresses
Check for resolved IP addresses for all FQDN addresses in CLI:
- diagnose firewall fqdn list
Add Bulk IPs to fortigate via CLI
check this guide: https://community.fortinet.com/t5/FortiGate/Technical-Tip-Creation-and-addition-of-bulk-IP-address-objects/ta-p/241823
Troubleshooting VPN connections
info video for troubleshooting VPN connections https://www.youtube.com/watch?v=CXWoTZ5t8XI&t=2923s