If you have a FortiAnalyzer unit or FortiManager unit on your network you may need to use the following ports for troubleshooting network traffic.
DNS lookup UDP 53
NTP synchronization UDP 123
Windows share UDP 137-138
SNMP traps UDP 162
Syslog, log forwarding UDP 514
Log and report upload TCP 21 or TCP 22
SMTP alert email TCP 25
User name LDAP queries for reports TCP 389 or TCP 636
RVS update TCP 443
RADIUS authentication TCP 1812
Log aggregation client TCP 3000
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