How do I block a user access to a directory within my website?

Hi Sharath413,

Yes, you can use disallowed URLs policy for ASM.

https://support.f5.com/csp/article/K29418033#p2

Or iRule:

when HTTP_REQUEST {
	if { [HTTP::uri] starts_with "/wp-content/uploads/testfolder/forms/" && [IP::client_addr] ne "your_ip_address" } {
		drop
	}
}