Update gathering-information-for-troubleshooting-sites.mdx (#21267)

Author: nenizera

src/content/docs/support/troubleshooting/general-troubleshooting/gathering-information-for-troubleshooting-sites.mdx

@@ -23,10 +23,11 @@ A HTTP Archive (HAR) records all web browser requests including the request and
 :::caution
 
 A HAR file can include sensitive details such as passwords, payment
-information, and private keys.
+information, and private keys. 
 
 Remove sensitive information using a [HAR Sanitizer](https://har-sanitizer.pages.dev/).
 
+For security reasons Cloudflare support cannot open compressed files such as ZIP, GZIP, TAR, etc.
 :::
 
 Some browsers either require a browser extension or cannot generate a HAR. When installing a browser extension, follow the instructions from the extension provider.