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Website DIY - tricks and solutions

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PHP one liners: How to allow a script to be run from a Cron Job but not from a Browser

Do you have scheduled jobs run via Cron that you want to prevent being run via browsers and other user agents? Well, here are two single line statements to do just that. One, for scripts "requested" by directory path; and another for scripts requested by URL. Read More

Category: PHPSecurity    Tags:

Brute force WordPress attack: how to login when locked out by your host’s security (401/406)

If you are unable to access your WordPress dashboard because the login page is blocked, it could be because your host’s server security has detected a brute force attack. This article shows how to make a few simple changes which allow you to continue logging in whilst keeping your server's brute force countermeasures. Read More

Category: SecurityWordpress    

Javascript: forcing Opera to reload from server on back button press

There are occasions when you may want your pages to be "refreshed" from the server rather than browser cache. This is simple to achieve for most browsers except Opera. Can't find a solution that works for Opera on any of the developer forums?

Well here's how with a few lines of standard Javascript. Read More

Category: Javascript    Tags:

WordPress: hiding your site from comment spam bots

Comment spambots use "footprints" to find your site. Find out how to remove these identifying footprints from your blog and vastly reduce the volume of spam targeted at your site. Read More

Category: Wordpress    Tags:

Why your Blog is found by spam bots, and what you can do.

Is your blog plagued by comment spam? Most spam is generated by automated software. Find out how those bots find your blog, and what you need to change to hide your site from them. Read More

Category: Blogging    Tags:

4 ways to configure custom 403 and 404 pages; and a warning about infinite loops

The default 403 and 404 pages are short plain text messages that do not encourage visitors to stay on your site. Customising these pages is usually achieved by creating 403/404.shtml files. However there are other solutions each with their pros and cons. Read More

Category: HTML    Tags:

PHP: highlight_file with line numbers and CSS classes

Include code listings in your posts: this tutorial shows how to trick highlight_file into using classes; add line numbers; and make them easily identifiable for copy and paste. Read More

Category: PHP    Tags:

3 easy ways to display source code listings for your tutorials and posts

The lazy bloggers guide to displaying syntax color highlighted PHP code for your articles, posts and tutorials. Line numbers optional! Covers display in both native php pages and CMS (e.g. Wordpress) posts. Read More

Category: PHP    Tags:

PHP: tricking highlight_file to use CSS classes instead of inline styles

How to get highlight_file and highlight_string to list your source code using CSS classes instead of inline styles; and reduce the size of your page. Read More

Category: PHP    Tags:

Web-site Security: blocking user agents, requests & query strings

Your first line of defence in preventing common vulnerability scans, directory traversal, and code injection attacks. A must read, if your web-site is hosted on either Apache (Linux) or IIS (Microsoft) servers. Read More

Category: Security    Tags:
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