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Web Dev + WordPress + Security
Tag: regex
2 posts

Redirecting URLs that Include Numbers

Redirecting stuff with .htaccess generally is pretty straightforward, but there can be a lot of confusion when it comes to targeting patterns that include numbers. I think this largely is due to the syntax used for matching numbers in regular expressions. It’s sort of unintuitive until you get the hang of it. So to help in that regard, this tutorial explains the basics of matching numbers with .htaccess, and then provides some useful examples that should get you there. Continue reading »

Blank Space / Whitespace Character for .htaccess

Working on the next version of the G-Series Blacklist, I needed a way to match a wide variety of UTF-8-encoded (hex) character strings. Those familiar with their site’s traffic will recognize this particular type of URI request string, which is typically associated with malicious server scanning, exploits, and other malicious behavior. As I explain in this post, pattern-matching and blocking the blank-space, or whitespace character in URL-requests is an effective way to improve the security of your website. Continue reading »

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Perishable Press is operated by Jeff Starr, a professional web developer and book author with two decades of experience. Here you will find posts about web development, WordPress, security, and more »
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