snort rule for "SERVER-WEBAPP Apache HTTP server potential cookie disclosure attempt"

[Marcelo P?rez Merino via Snort-sigs <snort-sigs () lists snort org>]

Good Morning every one

I am new on Snort and I am learning about snort rules. I realized that there many of them that have been created.
I found this link on snort web site https://www.snort.org/rule_docs/1-37968, and it just the rule that I want to 
create, but I don't see it.

Some one Could help to understand what the link means? It does mean that the rule exist? Where can I find it?

I appreciate your help.

Marcelo

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