-page-....-2f-2f....-2f-2f....-2f-2fetc-2fpasswd [repack] -

: This is a URL-encoded version of the forward slash ( / ).

The text you provided, review: -page-....-2F-2F....-2F-2F....-2F-2Fetc-2Fpasswd , is not a standard review but appears to be a common security attack. Analysis of the String -page-....-2F-2F....-2F-2F....-2F-2Fetc-2Fpasswd

import os base = '/var/www/pages/' req = request.GET['page'] safe = os.path.realpath(os.path.join(base, req)) if not safe.startswith(base): raise Forbidden() : This is a URL-encoded version of the forward slash ( / )

If a developer hasn't sanitized the input, an attacker can replace intro.html with the traversal payload. The server then processes a path like: /var/www/html/articles/../../../../etc/passwd HTML URL Encoding Reference - W3Schools -page-....-2F-2F....-2F-2F....-2F-2Fetc-2Fpasswd

that specifically block "etc/passwd" or "boot.ini" patterns in URI parameters. Why This Specific Pattern is Dangerous