Programmers do not know the 16. htaccess File Setup Tips

Reproduced original address: http://www.jb100.net/html/content-22-741-1.html . htaccess files (hypertext Access file) is a very powerful configuration file for Apache Web servers, and for this file, Apache has a bunch of parameters that allow you to configure almost any function you want. htaccess Configuration files adhere to a Unix culture-use an ASCII plain text file to configure your site's access policy. This article contains 16 very useful tips. Also, because. htaccess is a fairly powerful configuration file, so a slight grammatical error can cause your entire site to fail, so when you modify or replace the original file, be sure to back up the old file, so that the problem is easy to recover. 1. Create a custom error page using the. htaccess. This is a very simple thing for Linux Apache. Use the following. htaccess syntax you can easily complete this function. (Put the. htaccess in the root directory of your website) ErrorDocument 401/error/401.php ErrorDocument 403/error/403.php ErrorDocument 404/error/404.php ErrorDocument 500/error/500.php 2. Set the time zone of the site SETENV TZ America/houston 3. Block IP List There are times when you need to block some access with an IP address. This is a very simple thing, whether for an IP address or a network segment, as follows: Allow from all Deny from 145.186.14.122 Deny from 124.15 Apache will return a 403 error for rejected IPs. 4. Transfer some old links to the new link-search engine optimization seo Redirect 301/d/file.htmlhttp://www.htaccesselite.com/r/file.html 5. Set up e-mail for the server administrator. Serversignature EMail SETENV SERVER_ADMINdefault@domain.com 6. Use. htaccess to visit hotlinking. If a picture on your site is referenced by another n-more site, then this is likely to cause your server's performance to degrade, using the code below to protect certain popular links from excessive references. Options +followsymlinks # Protect Hotlinking Rewriteengine on Rewritecond%{http_referer}!^$ Rewritecond%{http_referer}!^http://(www.) DOMAINNAME.COM/[NC] Rewriterule. *. (gif|jpg|png) $[NC] 7. Block all requests from the User Agent # #. htaccess Code:: BEGIN # # Block Bad Bots by user-agent Setenvifnocase user-agent ^frontpage [Nc,or] Setenvifnocase user-agent ^java.* [Nc,or] Setenvifnocase user-agent ^microsoft.url [Nc,or] Setenvifnocase user-agent ^msfrontpage [Nc,or] Setenvifnocase user-agent ^offline.explorer [Nc,or] Setenvifnocase user-agent ^[ww]eb[bb]andit [Nc,or] Setenvifnocase user-agent ^zeus [NC] Order Allow,deny Allow from all Deny from Env=bad_bot # #. htaccess Code:: END 8. Redirect Requests for certain special IP addresses to other sites ErrorDocument 403http://www.youdomain.com Order Deny,allow Deny from all Allow from 124.34.48.165 Allow from 102.54.68.123 9. Find files directly instead of downloading – usually, when we open an online file, we always get a dialog box asking if we are downloading or opening it directly, and using the settings below will not have this problem, just open it. AddType Application/octet-stream. pdf AddType application/octet-stream. zip AddType Application/octet-stream. mov 10. Modify the file type – The following example allows any file to be interpreted by the server as PHP. For example: myphp, cgi,phtml and so on. Forcetype application/x-httpd-php SetHandler application/x-httpd-php 11. Block access to. htaccess files # Secure Htaccess file Order Allow,deny Deny from all 12. Protect files on the server from being accessed # Prevent access of a certain Fileorder Allow,deny Deny from all 13. Block Directory Browsing # Disable Directory browsing Options all-indexes 14. Set the default home page # Serve alternate default index page DirectoryIndex about.html 15. Password Authentication – You can create a file for authentication. Here is an example: # to protect a file AuthType Basic AuthName "Prompt" authuserfile/home/path/.htpasswd Require Valid-user # Password-protect a directory Resides AuthType Basic AuthName "This directory is protected" authuserfile/home/path/.htpasswd Authgroupfile/dev/null Require Valid-user 16. Turn the old domain name into a new domain name # REDIRECT from old domain to new domain Rewriteengine on Rewriterule ^ (. *) $http://www.yourdomain.com/$1[r=301,l] Reproduced original address: http://www.jb100.net/html/content-22-741-1.html

