This article describes how to increase the HTTP/2 Window size limit.
Scope
7.4.2 version and above.
Solution
It is supported to customize the HTTP/2 window size. The amount of data FortiWeb is willing to receive at any given time for both the server and client side of HTTP/2 connections.
Valid Range for HTTP/2 Window Size: 65535-2147483647 bytes.
Below is an example to modify the Window size on the server pool:
config server-policy server-pool edit "Fotiweb_Serverpool_1" config pserver-list edit 1 set ip 1.1.1.1 set http2 enable set http2-window-size 2147483647 next end next end
