Question

301 redirect syntax - htaccess

Asked by: weikelbob

Hello,

I need to redirect

www.nlpca.com/DCweb

to

www.nlpca.com

How do I do this?

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Asked On
2009-09-09 at 11:40:40ID24719127
Topics

Miscellaneous Web Development

,

Apache Web Server

,

PHP Scripting Language

Participating Experts
4
Points
500
Comments
19

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Answers

 

by: NetExpert-WarszawaPosted on 2009-09-09 at 11:55:15ID: 25294380

RedirectPermanent /DCweb/ http://www.nlpca.com/

 

by: weikelbobPosted on 2009-09-09 at 12:07:27ID: 25294477

Is that a 301 redirect?

 

by: NetExpert-WarszawaPosted on 2009-09-09 at 12:17:43ID: 25294565

Yes, 301 is a permanent redirect.

 

by: weikelbobPosted on 2009-09-09 at 12:25:31ID: 25294658

Just making sure, so:

RedirectPermanent /DCweb/ http://www.nlpca.com/

is a type of 301 redirect?

Google's Webmaster Guidelines says that it's best to only use 301 redirects for SEO and not other types of permanent redirects.

 

by: NetExpert-WarszawaPosted on 2009-09-09 at 12:27:20ID: 25294678

http://httpd.apache.org/docs/2.2/mod/mod_alias.html

and scroll down to RedirectPermanent

 

by: moozekipsPosted on 2009-09-09 at 13:47:22ID: 25295398

As I am not aware of the technology used by this website of yours, I am mentioning various methods which can used for redirection. choose the one that fits you or comment for additional help.
<h2>IIS Redirect</h2>

  • In internet services manager, right click on the file or folder you wish to redirect 
  • Select the radio titled "a redirection to a URL". 
  • Enter the redirection page 
  • Check "The exact url entered above" and the "A permanent redirection for this resource" 
  • Click on 'Apply' 
<h2>ColdFusion Redirect
</h2>www.nlpca.com/DCweb/index.cfm
<font class="defaultfont"><.cfheader statuscode="301" statustext="Moved permanently">
<.cfheader name="Location" value="http://www.nlpca.com"></font>

<h2>PHP Redirect
</h2>www.nlpca.com/DCweb/index.php
<font class="defaultfont"><?
   Header( "HTTP/1.1 301 Moved Permanently" );
    Header( "Location: http://www.nlpca.com" );
?></font>

<h2>ASP Redirect</h2>www.nlpca.com/DCweb/index.asp
<font class="defaultfont"><%@ Language=VBScript %>
<%
Response.Status="301 Moved Permanently"
Response.AddHeader "Location","http://www.nlpca.com/"
%></font>

<h2>ASP .NET Redirect</h2>www.nlpca.com/DCweb/index.aspx
<font class="defaultfont"><script runat="server">
private void Page_Load(object sender, System.EventArgs e)
{
Response.Status = "301 Moved Permanently";
Response.AddHeader("Location","http://www.nlpca.com");
}
</script> </font>

<h2>JSP (Java) Redirect</h2>www.nlpca.com/DCweb/index.jsp
<font class="defaultfont"><%
response.setStatus(301);
response.setHeader( "Location", "http://www.nlpca.com/" );
response.setHeader( "Connection", "close" );
%></font>

<h2>CGI PERL Redirect</h2>www.nlpca.com/DCweb/index.cgi
<font class="defaultfont">$q = new CGI;
print $q->redirect("http://www.nlpca.com/");</font>

<h2>Redirect Old domain to New domain (htaccess redirect)</h2>

Create a .htaccess file with the below code, it will ensure that allyour directories and pages of your old domain will get correctlyredirected to your new domain.
The .htaccess file needs to be placed in the root directory of your oldwebsite (i.e the same directory where your index file is placed)

Options +FollowSymLinks
RewriteEngine on
RewriteRule (.*) http://www.nlpca.com/$1 [R=301,L]

Note* This .htaccess method of redirection works ONLY on Linux servers having the Apache Mod-Rewrite moduled enabled.

 

by: caterham_wwwPosted on 2009-09-09 at 13:59:32ID: 25295489

> This .htaccess method of redirection works ONLY on Linux servers

Since this is wrong; did you encounter problems on other OS?

 

by: weikelbobPosted on 2009-09-09 at 14:07:40ID: 25295564

NetExpert-Warszawa:

What you suggested looks good.

I'm going to implement it and then close this question when it works.

BTW: Why doesn't the regular 301 redirect work in this case, I'm just curious - Is it becase there's not ending like "index.html" on the old URL?

 

by: weikelbobPosted on 2009-09-09 at 14:12:55ID: 25295611

It did the same thing as the regular 301 redirect.

It strips the DCweb from all of the URLs on the site and changes everything to a 404 error.

Code attached.

Options +FollowSymLinks
 
#
#  mod_rewrite in use
 
RewriteEngine On
 
 
#  Uncomment following line if your webserver's URL
#  is not directly related to physical file paths.
#  Update Your Joomla! Directory (just / for root)
 
# RewriteBase /
 
 
########## Begin - Joomla! core SEF Section
#
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_URI} !^/index.php
RewriteCond %{REQUEST_URI} (/|\.php|\.html|\.htm|\.feed|\.pdf|\.raw|/[^.]*)$  [NC]
RewriteRule (.*) index.php
RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization},L]
#
########## End - Joomla! core SEF Section
 
RedirectPermanent /DCweb/ http://www.nlpca.com/
                                              
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by: NetExpert-WarszawaPosted on 2009-09-09 at 14:13:52ID: 25295624

What do you mean by "regular 301"?

See also my answer to http://www.experts-exchange.com/Software/Server_Software/Web_Servers/Apache/Q_24719391.html in case you would like to redirect not to a single page.

 

by: weikelbobPosted on 2009-09-09 at 20:23:45ID: 25297212

By "regular 301" I mean this

redirect 301 /DCweb/ http://www.nlpca.com/

I assume it's the same thing.

Why is this 301 redirect stripping "DCweb" from all of our URLs?

 

by: Deane10Posted on 2009-09-09 at 20:43:31ID: 25297272

I just tested this syntax on my servers and it worked perfectly...

The proper syntax for .htaccess is:

redirect 301 /DCweb http://www.nlpca.com
 
(just removed the trailing slashes)

                                              
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by: weikelbobPosted on 2009-09-09 at 20:50:44ID: 25297294

It causes all pages to turn to 404 errors for me.

For example, this page's menu link goes to this

http://www.nlpca.com/DCweb/Free_NLP_Seminars.html

but after the 301 redirect Deane10 gave me, now becomes this:

http://www.nlpca.com/Free_NLP_Seminars.html

and creates a 404 error. What could be causing this in our Joomla site?

 

by: Deane10Posted on 2009-09-09 at 21:21:06ID: 25297392

Make sure it's at the top...  Your .htaccess file should look like this...

redirect 301 /DCweb http://www.nlpca.com
 
Options +FollowSymLinks
 
#
#  mod_rewrite in use
 
RewriteEngine On
 
 
#  Uncomment following line if your webserver's URL
#  is not directly related to physical file paths.
#  Update Your Joomla! Directory (just / for root)
 
# RewriteBase /
 
 
########## Begin - Joomla! core SEF Section
#
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_URI} !^/index.php
RewriteCond %{REQUEST_URI} (/|\.php|\.html|\.htm|\.feed|\.pdf|\.raw|/[^.]*)$  [NC]
RewriteRule (.*) index.php
RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization},L]
#
########## End - Joomla! core SEF Section

                                              
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by: weikelbobPosted on 2009-09-09 at 21:34:43ID: 25297423

It's still doing it even if I put it at the top.

I didn't include some lines of the htaccess for security purposes. Do you think it would be OK to list the whole file?

 

by: Deane10Posted on 2009-09-09 at 21:48:21ID: 25297453

Might be good to see what I am working with, but if you are not able to, I understand... will just be a bit harder to figure out.

 

by: weikelbobPosted on 2009-09-09 at 22:06:21ID: 25297497

I will show you the whole file if you look at the info below and think it would not be a security problem:

########## Begin - Rewrite rules to block out some common exploits
## If you experience problems on your site block out the operations listed below
## This attempts to block the most common type of exploit `attempts` to Joomla!
#
# Block out any script ... and so on...
RewriteCond ... and so on.

 

by: Deane10Posted on 2009-09-09 at 22:20:09ID: 25297542

ah, the mosconfig... yeah, it's safe to post those :)

 

by: caterham_wwwPosted on 2009-09-10 at 03:13:59ID: 25298732

> By "regular 301" I mean this
> redirect 301 /DCweb/ http://www.nlpca.com/
> I assume it's the same thing.

Yes, RedirectPermanent is a macro.

> What could be causing this in our Joomla site?

Joomla analyzes the URL-path. And if your site has the joomla URL /DCweb/something.html and you're requesting just /somethuing.html, joomla can't find the correct page to serve.

If you just wand to redirect /DCweb/ but not /DCweb/foo, use a RewriteRule (mixing mod_alias and mod_rewrite is not recommended due to interactions between both modules.

########## Begin - Joomla! core SEF Section
#
RewriteRule ^DCweb/$ / [R=301,L]
RewriteCond %{REQUEST_URI} (/|\.php|\.html|\.htm|\.feed|\.pdf|\.raw|/[^.]*)$  [NC]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule !^index\.php$ index.php
RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization},L]

                                              
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