DevOps

What are the source IP addresses from FortiAppSec Cloud GSLB?

Please allow access to your application from the host “sourceaddress.fortigslb.com” if you have health checks or Fortigate connectors configured.

The IP Addresses under this host are subject to change. You can query the latest FortiAppSec Cloud GSLB IP addresses using the dig/nslookup tool.

dig @<dns-server> <gslb-domain>

nslookup <gslb-domain> <dns-server>

For example:

; <<>> DiG 9.16.42-RH <<>> @8.8.8.8 sourceaddress.fortigslb.com.

; (1 server found)

;; global options: +cmd

;; Got answer:

;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 26973

;; flags: qr rd ra; QUERY: 1, ANSWER: 5, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:

; EDNS: version: 0, flags:; udp: 512

;; QUESTION SECTION:

;sourceaddress.fortigslb.com. IN A

;; ANSWER SECTION:

sourceaddress.fortigslb.com. 300 IN A 52.77.144.83

sourceaddress.fortigslb.com. 300 IN A 34.213.30.79

sourceaddress.fortigslb.com. 300 IN A 44.241.230.143

sourceaddress.fortigslb.com. 300 IN A 44.231.37.61

sourceaddress.fortigslb.com. 300 IN A 18.195.172.168

;; Query time: 20 msec

;; SERVER: 8.8.8.8#53(8.8.8.8)

;; WHEN: Fri Mar 27 00:08:23 UTC 2026

;; MSG SIZE rcvd: 136