Add the below given code in your .htaccess file

RewriteEngine On
RewriteBase /
RewriteCond %{THE_REQUEST} !^[A-Z]{3,9} [a-zA-Z0-9.+_/-?=&]+ HTTP/ [NC]
RewriteRule .* – [F,NS,L]

Add the below given code in your .htaccess file

RewriteEngine on
# Options +FollowSymlinks
RewriteCond %{HTTP_REFERER} referer_domain.com [NC]
RewriteRule .* – [F]

Note : Make sure that you have enabled the module “mod_rewrite” in your server

Add the below given code in your .htaccess file

order allow,deny
deny from 112.1.11.22
allow from all

Create .htaccess file and paste the below given code into it .

AuthName “Member’s Area Name”
AuthUserFile /path/to/password/file/.htpasswd // Dont for got give a valid path of .htpasswd file
AuthType Basic
require valid-user

Create .htpasswd and gienterve the user name and encrypted password separated with ‘:’. The text would look like as follows

username:encryptedpassword
phpcodez:60h5w63DqQfls

NOTE : You can create the password using the link “http://www.4webhelp.net/us/password.php”

You can hide the php file extension using .htaccess so that you can confuse the spammers and hackers .

You can use “asp” file to work as a “php” file ie use the extension “asp” for yourr file instead of “php”.

You jsut need to cerate a .htaccess file and ad the code shown below

# Make PHP code look like asp or perl code
AddType application/x-httpd-php .asp

After this create file “comment.asp” and with php codes in it.

Then load the page “comment.asp”

We can cache the file using htaccess so that we can improve
the perfomace of a website

General Format

<FilesMatch “.(Extenstion of the file to be cached)$”>
	Header set Cache-Control “max-age=cache time″
</FilesMatch>

Example

<FilesMatch “.(html|htm)$”>
	Header set Cache-Control “max-age=43200″
</FilesMatch

RewriteEngine on
Options +FollowSymLinks
RewriteCond %{HTTP_HOST} ^www.domain.tld$ [NC]
RewriteRule ^(.*)$ http://domain.tld/$1 [R=301,L]

Add the code “SetEnv TZ America/Los_Angeles” in your htaccess file

Add the code in your .htaccess file in to limit the number of simulatious connections

General Format : MaxClients < number-of-connections>

Example : MaxClients 5

• Rewriting URLs
• Customized error responses
• Authorization, authentication
• SSI
• Directory listing
• Blocking
• MIME types
• Cache Control