This article was written in 2002 and remains one of our most popular posts. If you’re keen to learn more about URLs, you may find this, of great interest. So you’re a web developer who has all the bells and whistles on your site, creates Web-based applications that are both beautiful and work well. But what about these issues? Applications Must Be Safe A user must not be able to harm your site in any way by modifying a URL that points to your applications. In order to ensure your site’s safe, check all the GET variables coming from your visitors (I think it’s trivial to mention that the POST variables are a must to examine). For example, imagine we have a simple script that shows all the products in a category.

Nokia 3110c Flashing Software more. Generally, it’s called like this: myapp. Wood And Metal Ak47 Airsoft on this page. php?target=showproducts&categoryid=123 But what will this application do if ScriptKiddie(tm) comes and types this in his browser: myapp.php?target=showproducts&categoryid=youarebeinghacked Well, many of the sites I’ve seen will drop some error message complaining about use of the wrong SQL query, invalid MySQL resource ID, and so on. These sites are not secure. And can anyone guarantee that a site-to-be-finished-yesterday will have all the parameter verifications — even in a programmer group having only two or three people? Applications Must Be Search-Engine Friendly It’s not generally known, but many of the search engines will not index your site in depth if it contains links to dynamic pages like the one mentioned above.

They simply take the “name” part of the URL (that’s everything before the question mark, which contains the parameters that are needed for most of the scripts to run correctly), and then try to fetch the contents of the page. To make it clear, here are some links from our fictitious page: myapp.php?target=showproducts&categoryid=123 myapp.php?target=showproducts&categoryid=124 myapp.php?target=showproducts&categoryid=125 Unfortunately, there’s a big chance that some of the search engines will try to download the following page: myapp.php In most cases calling a script like this causes an error but if not, I’m sure it will not show the proper contents the link was pointing to.

Mod_rewrite: A Beginner’s Guide to URL Rewriting. The first line tells Apache to load the mod_rewrite module, while the second one enables the use of it. Mod_rewrite Tutorial for Absolute Beginners. Tutorial by Matt Doyle. What is mod_rewrite? Mod_rewrite is an Apache module for manipulating (rewriting) URLs.

Just try this search at google.com: “you have an error in your sql syntax”.php -forum There are both huge bugs and security threats in the scripts listed — again, these scripts are not search-engine friendly. Applications must be user-friendly If your application uses links like: then most of your visitors will find it difficult to get back to their favourite category (eg. Nettools/Messengers) every time they start from the main page of your site. Instead, they’d like to see URLs like this: It’s even easier for the user to find (pick) the URL from the browsers’ drop-down list as they type into the Location field (though of course this only works if the user has visited that previously).

And what about you? Now you have everything you need to answer the following questions: • Is your site really safe enough? • Can you protect your site from hackers? • Are your Websites search-engine compatible? • Are the URLs on your site ‘user friendly’ — are they easy to remember?

Would you like them to be? (everyone who answered ‘yes’ to all five questions: have a beer!) An elegant solution Okay, okay, I think you want to know the solution.

Nero 7 Premium Download Serial Key. Well, let’s get started. You’ll need: • everyone’s favourite Apache Webserver installed (v1.2 or later) • optionally, your favourite CGI scripts configured for Apache.

Modrewrite tutorial pdf Modrewrite tutorial pdf. Rewrite example invisibly rewrites requests for all Adobe pdf files to be. Mod_rewrite tutorial apache. Modrewrite pdf files Modrewrite pdf files. Mod_rewrite tutorial pdf. Fedon, served by Apache with modrewrite.May 4.