.htaccess Tutorial

 Summary

  In this tutorial you will find out about the .htaccess file and the power it has to improve your website.
  We supports .htaccess files however as a customer you are responsible for what is in this file and how it changes your site.

  

 Creating a .htaccess file

 You can create a .htaccess file on your local computer or on the server.

  • On your computer: 

         Windows: Using Notepad save the file as .htaccess.
         Mac OS X: Using TextEdit save the file as ".htaccess".
         Note: If you save the file as .htaccess it will be hidden and you will not be able to see it in the Finder.
             Using your preferred FTP client upload the file to the server.
             The .htaccess file will need to be in the folder where your site is located, typically the public_html folder.

  • On the server: 

         1. Login to your cPanel Account
         2. Click the File Manager icon, located in the Files section.
         3. From the File Manger popup choose "Choose Hidden Files (dotfiles)." 
                Note: If you do not see this popup you will need to click the "reset all interface settings" link at the bottom of the cPanel page.
         4. From the File Manager popup choose the folder you would like to open, most often the "Web Root (public_html/www)"
         5. Click the Go button. 
                Note: If you are in the File Manager already you can add &showhidden=1 to the end of the URL. 
         6. Click the New File icon to create a new file and name it .htaccess.

 

 Alternative index files

  You may not always want to use index.htm or index.html as your index file for a directory, for example if you are using PHP files in your site, you may want index.php to be the         index file for a directory.

  You are not limited to 'index' files though. Using .htaccess you can set foofoo.blah to be your index file if you want to!

  Alternate index files are entered in a list. The server will work from left to right, checking to see if each file exists, if none of them exist it will display a directory listing (unless, of          course, you have turned this off).

  DirectoryIndex index.php index.php3 messagebrd.pl index.html index.htm

 

  Custom error pages

  You can customize your own, personal error pages (for example when a file is not found) instead of using default error pages or not having an error page. This will make your site      seem much more professional.

  You can use custom error pages for any error as long as you know its number (like 404 for page not found) by adding the following to your .htaccess file:

  ErrorDocument errornumber /file.html

  For example if I had the file notfound.html in the root directory of my site and I wanted to use it for a 404 error I would use: 

  ErrorDocument 404 /notfound.html

  If the error page is not in the root directory of your site, you can enter the path to the file: 

  ErrorDocument 500 /errorpages/500.html

  These are some of the most common errors:

                 401 - Authorization Required
                 400 - Bad request
                 403 - Forbidden
                 500 - Internal Server Error
                 404 - Wrong page

 

 Stop a directory index from being shown

  Sometimes, for one reason or another, you will have no index file in your directory.

  This will, of course, mean that if someone types the directory name into their browser, a full listing of all the files in that directory will be shown. 

  This could be a security risk for your site.

  To prevent against this (without creating lots of new 'index' files, you can enter a command into your .htaccess file to stop the directory list from being shown: 

  # disable directory browsing

                     Options ExecCGI Includes IncludesNOEXEC SymLinksIfOwnerMatch -Indexes

                     # enable directory browsing
                     Options All +Indexes

 

 Deny/allow certain ip addresses

 To only allow people with specific IP addresses to access your site (for example, only allowing people using a particular network to get into a certain directory) or you may want to        ban certain IP addresses (for example, keeping disruptive members out of your message boards).This will only work if you know the IP addresses you would like to ban.

  Please keep in mind that most ISP's use dynamic IP addresses, so this is not always the best way to limit/grant access.

 

  Block an ip address:

  #Deny List

                         order allow,deny
                         deny from 123.123.123.123 #specify a specific address
                         deny from 123.123.123.123/30 #specify a subnet range
                         deny from 123.123.* #specify an IP address wildcard
                         allow from all

  Allow an ip address:

  #Allow List

                         order allow,deny
                         allow from 123.123.123.123 #specify a specific address
                         allow from 123.123.123.123/30 #specify a subnet range
                         allow from 123.123.* #specify an IP address wildcard
                         deny from all

  Note: This will still allow scripts to use the files in the directory.

 

  Redirection

 There is a tool in the cPanel that can create the Redirects for you.

  Redirect from a specific file to a new file
  Example:

  Redirect /redirect_from.html http://www.newsite.com/folder/redirect_to.html

  In the above example, a file in the root directory called redirect_example.html is redirected to the URL http://www.newsite.com/folder/redirect_example.html 

  If the old file were in a subdirectory then you could use:

  /subdirectory/redirect_from.html 

  Wildcard redirect / redirecting from one folder to a new folder

  Redirect /redirect_from http://www.newsite.com/redirect_to

  Now any request to your site below /olddirectory will be redirected to the new site, with the extra information in the URL added on, for example    if someone typed in:

  http://www.example.com/redirect_from/images/image.gif

  They would be redirected to:

  http://www.newsite.com/redirect_to/images/image.gif

 

  Redirecting (url rewriting) with joomla

  To enable URL Rewriting in Joomla you will need to copy and paste the following code into your .htaccess file.

               # For security reasons, Option followsymlinks cannot be overridden.
               #Options +FollowSymLinks
               Options +SymLinksIfOwnerMatch

   

  Password protection

  One of the many uses of the .htaccess is being able to reliably password protect directories on websites. 
  Note: If you would like to use the cPanel tool to password protect your folders please see our article: Password Protect a folder on your website

  The .htaccess file

  Adding password protection to a directory using .htaccess takes two stages.

  The first part is to add the appropriate lines to your .htaccess file in the directory you would like to protect.

  Everything below this directory will be password protected:

  AuthName "Section Name"
                          AuthType Basic
                          AuthUserFile /home/username/.htpasswds
                          Require valid-user 

  There are a few parts of this which you will need to change for your site.

  You should replace "Section Name" with the name of the part of the site you are protecting e.g. "Members Area".

  The /home/username/.htpasswds should be changed to reflect the full server path to the .htpasswds file (more on this later).

  If you do not know what the full path to your webspace is, check your Bluehost cPanel.

  Look on the left "stats" column of the cPanel.

 The .htpasswds file

  Password protecting a directory takes a little more work than any of the other .htaccess functions because you must also create a file to contain the usernames and passwords        which are allowed to access the site.

  These should be placed in a file which (by default) should be called .htpasswd.

  This can be placed anywhere within you website (as the passwords are encrypted) but it is advisable to store it outside the web root (in your home directory) so that it is impossible    to access it from the web.

  Entering usernames and passwords

  Once you have created your .htpasswd file (you can do this in a standard text editor) you must enter the usernames and passwords to access the site.

  They should be entered as follows:

  username:password

  Where the password is the encrypted format of the password.

  There is a good username/password service at the KxS site which will allow you to enter the username and password and will output it in the correct format.

  For multiple users, just add extra lines to your .htpasswd file in the same format as the first.

  Accessing the site 

  When you try to access a site which has been protected by .htaccess your browser will pop up a standard username/password dialog box.

  Alternatively you can send the username and password (unencrypted) in the URL as follows:

  http://username:password@www.website.com/directory/ 
 

  • cpanel, htaccess, webhosting, tutorial
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