Re: Web Performance Tuning

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From: Joe Touch (touch@ISI.EDU)
Date: Wed Apr 12 2000 - 15:26:17 PDT

Rohit Khare wrote:
> Patrick's Top-Ten Web Tuning Tips and Tricks
> by Patrick Killelea, author of Web Performance Tuning
> ------------------------------------------------------------------------
> While there are literally thousands of things you can do to help web
> performance, here are Patrick's top ten:
> 1. Make sure reverse DNS lookups are turned off in your web server.
> Reverse DNS maps IP numbers to machine names in the web servers logs
> and in CGI programs. CGI's can do the lookup themselves if they need
> to and you can use log analysis programs to fill in names in the log
> files later. Reverse DNS just slows you down if you do it for each
> request.

This means you cannot have domain-based security, e.g., .htaccess
If you do, any access to that directory or below will result in a
reverse lookup.


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