TLS v1.3 – Trond's place

After upgrading Brave to version 1.73.89 (Chromium 131.0.6778.69) and Google Chrome to version 131.0.6778.70, the web GUI of our Fortinet FortiGate is inaccessible. Both browsers display the following error when attempting to access the GUI:

M	T	W	T	F	S	S
						1
2	3	4	5	6	7	8
9	10	11	12	13	14	15
16	17	18	19	20	21	22
23	24	25	26	27	28	29
30	31

Category: TLS v1.3

Fortinet FortiGate and Chromium-based browsers