Bad Paths & The Importance of Using Valid URL Characters

To ensure that your web files and pages are accessible to a wide range of users with various different devices and operating systems, it’s important to use valid URL characters. Unsafe characters are known to cause compatibility issues with various browser clients, web servers, and even lead to incompatibility issues with web application firewalls.

In this post I’ll be summarizing OWASP best practices and rfc3986 documentation to describe what a bad path is, why you should use valid URL characters, …

application bad best practices browser characters clients devices documentation files firewalls important operating systems owasp practices security education servers sucuri firewall systems url valid web web application web application firewalls website security