Narendra Dhami

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Behind the Scenes with Apache’s .htaccess

Posted by Narendra Dhami on July 15, 2008


Although I’m a designer and not a programmer or server-side specialist, for a few years I’ve used Apache’s .htaccess to a limited degree for clients’ websites, primarily for simple URL redirects and setting up custom error pages. Now that I can use Apache’s .htaccess for my own websites, I’ve been immersed in learning more about how to use this powerful tool conservatively but effectively to redirect URLs and to combat spammers and bad bots. Today’s post provides links to some of the online sources that I’ve found especially helpful.
First, A Word of Warning

Keep in mind that one little typo or incorrect rule within an .htaccess file can cause an internal server error and take your entire website offline. Especially if you’re new to using an .htaccess file, I highly recommend setting up a test directory to work on your .htaccess file. In addition, always make a backup of your .htaccess file before making any changes. That way, if you do happen to make a typo or other error, you can load your backup file again to keep your website up and running while you look for the source of the problem(s).

In addition, many caution those new to .htaccess about not getting too carried away and ending up creating excessively big .htaccess files. Keep in mind that the server will process this file for each request at your website, so you don’t want to negatively impact your server’s performance. For those with access to the httpd.conf file on your Apache server, many recommend using that instead of .htaccess, especially for better server performance. Many of us on shared servers, though, don’t have access to it, including myself.

I prefer to think of .htaccess as just one of a variety of approaches and tools for managing URLs (especially URL redirecting), managing custom error pages, and combating bad bots and spammers. It’s a fantastic tool that I’m thrilled to be able to use for my own websites finally, including this one. (About two months ago all of my websites moved to a new server.)

Regarding combating bad bots and spammers, .htaccess is one of several tools and approaches that I use. My goal is to keep things simple and block the bad guys without blocking everyone else. No one single approach can do it all, though, and bad bots and spammers continually work on ways to get past all the blocking approaches discussed online. So far I’m able to block nearly all of the bad bots and spammers, but new ones always come along, so I watch my logs closely, too.

On to some website links that I’ve found especially helpful. more…

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2 Responses to “Behind the Scenes with Apache’s .htaccess”

  1. htaccess said

    Enjoyed this helpful explanation.. The facts are a lot of people get into trouble with .htaccess by not understanding it first.

    It really is an awesome tool when used correctly though.

  2. […] lightly. Over at Narendra Dhami’s blog he’s written a nice little intro with warning. Behind the Scenes with Apache’s .htaccess … First, A Word of […]

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