- MT Spam Vulnerability (!)
- If you use Movable Type you should read this immediately — there is a vulnerability in the mt-send-email.cgi script that can allow an evil spammer to send email from your site. If you are using a version of MT up to 2.64, you can download a patched mt-send-entry.cgi. Alternatively, you can make the script inaccessible by changing it’s permissions (
chmod 600 mt-send-emailentry.cgi makes it unable to be executed except from via your page), or if you’re not using it by renaming or deleting it.
- Trapping and Banning Bad Robots
- A very easy-to-follow guide to trap and ban bad robots, especially relevant for MT users.
mod_rewrite basics- If the official references are over your head, check out WebmasterWorld.com’s Introduction to Redirecting URLs on an Apache Server, which is very easy to understand. It covers redirecting via a meta tag,
mod_alias, mod_rewrite and .htaccess. The Sitepoint.com mod rewrite FAQ might also help (not much there yet).
- Regular Expressions
- In lieu of buying the O’Reilly book, Stephen Ramsay’s Guide to Regular Expressions and David Mertz’s Learning to use Regular Expressions (apparently based on an IBM DeveloperWorks tutorial). These are links from the intro to mod_rewrite above.
- WDG’s Common Validation Problems
- A short document that covers some common coding errors that give HTML validators problems.
- Text Editor Tutorials;
vi and emacs
- More IBM DeveloperWorks tutorials (require free registration) on terminal-based text editors; vi intro - the cheat sheet method (covers vim too) and Living in emacs.
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