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Redirecting Your Reader to Special HTML Pages when an error occurs.

Rather than showing a simple text message when an error occurs, displaying a friendly message along with a link to follow back to a real page is a nice touch. I suggest that you keep the message brief and polite. Do not consider every user caused error some type of intrusion attempt. Anyone poking around with any

 

Mon Jun 13 2005
Views: 64


Stopping People from Using Your Images on their Web Pages. (Bandwidth Theft)

If you have some nice graphics on your site, you might notice that other webmasters, usually newbies are having their readers pull the graphics directly from your site. If your bandwith is metered, then you are paying to support somebody else's site! Depending on how busy that other site is, it can also place additional load on your server.

 

Mon Jun 13 2005
Views: 68


THE APACHE SERVER STATUS & ERROR CODES

Successful Client Requests Client Request Errors Client Request Redirected Server Errors

 

Mon Jun 13 2005
Views: 67


THE BLACKHOLE CURE FOR UNWANTED GUESTS

Not all spiders read the robots.txt file, nor do they bother to advertise their identification string. So, you notices that your site is being trounced by something that is draining your resources and will not go away. To the host that is causing you the problems, it will give the appearence that you are no longer on the air! Of course, make certain that you are not locking out a legitimate search engine.

 

Mon Jun 13 2005
Views: 67


THE COMMON SENSE GUIDE TO APACHE SECURITY

You are the biggest threat to your own site! The odds of damage occuring due to a malicious attack are quite smaller than your chances of doing something to upset the balance of life in your server. NEVER RUN YOUR SERVER AS ROOT In the land of Unix, god is a four letter word, root. Do not under any circumstances allow your web server to run as root. Let me clarify this. Do not run your web server as root. Just in case you missed this point, do not run your web server as root. While you are at it, do not let your web server run as any user with administrative privileges, such as lp, bin, daemon. Also, make certain that your web server is in a group of its own, and not a member of any user or administrative group.

 

Mon Jun 13 2005
Views: 67


USING .HTACCESS & HTPASSWD TO PROTECT YOUR FILES FROM UNAUTHORIZED ACCESS

It is possible there are parts of your site which you would prefer that not just anyone have access to. APACHE and other web servers provide a system that you can use to control access to certain directories on your website. You might have a family photo album on line that you want only your family to see. No matter what your little secret is, I will show you how to help keep private things a little more private.

 

Mon Jun 13 2005
Views: 66


Using the Mod Rewrite URL Rewriting Engine to Deal with Bad Robots and Pesky Spambots

One of the greatest features of the APACHE server is Mod Rewrite. This optional module allows you to control URL access in an almost infinite manner of ways. Our task at hand though is to protect our server from wasteful accesses that for a variety of reasons can drag the server to its knees. The problems with many robots and spambots can be broken down into a few areas: * They either ignore the robots.txt instructions file, or attempt to exploit it to find otherwise unlinked directories. * Due to programming errors, they can get caught in loops, attempting to access files that do not exist. * If they are what is called multi-threaded, they can launch an almost unlimited number of concurrent connections to your site creating a serious system load.

 

Mon Jun 13 2005
Views: 63


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