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Apache url encoding

Apache url encoding

Thank you for this writeup. It saved a me a ton of time debugging this issue. Any help would be appreciated.

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I have been recently migrating some of my company data from one Apache server into another with different configuration. After moving the web content I noticed that some of the links on the website are broken. After some hours spent on searching solution in the Internet I have finally managed to fix the above issue by setting up the NE flag in Apache RewriteRule directive.

However the above is fully sufficient to make it working and you can stop here, please find the detailed description of the issue both with the solution in the following sections. There is a quick solution for the above issues.

The NE flag preserves special characters i. The following is an example of such a directive that I used on my Apache web server:. The above redirects browsers connecting into the www. The above issues is not a bug, but it is rather a bad design. You need to change the default behavior of the rewrite engine to make it working. I hope that you will find this article useful. Email This BlogThis!

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Unknown January 10, at AM. Unknown October 31, at AM. Newer Post Older Post Home. Subscribe to: Post Comments Atom.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. From Wikipedia emphasis and link added :. This is a URL.

URLs actually have a very well-defined structure since the first specification in From there you can deduce that encoding a fully constructed URL is impossible without a syntactical awareness of the URL structure. This is not very consistent across languages, though. It seems I'm mistaken. Python's urlencode at least in 2.

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This way of encoding form data is also given in later HTML specifications. So, only after "? Learn more. Ask Question. Asked 10 years, 5 months ago. Active 10 months ago. Viewed k times. Cole Johnson 7, 13 13 gold badges 40 40 silver badges 62 62 bronze badges. This question would be more helpful as several language-specific questions, right?

Active Oldest Votes. Timothy Jones Joey Joey k 74 74 gold badges silver badges bronze badges. Oct 27 '09 at For example, mailto:support example. This confusion is because URLs are still 'broken' to this day.In deciding what file to serve for a given request, httpd's default behavior is to take the URL-Path for the request the part of the URL following the hostname and port and add it to the end of the DocumentRoot specified in your configuration files.

Therefore, the files and directories underneath the DocumentRoot make up the basic document tree which will be visible from the web. If a directory is requested i.

For example, if DocumentRoot were set as above, and you were to set:. The DocumentRoot directive is set in your main server configuration file httpd. There are frequently circumstances where it is necessary to allow web access to parts of the filesystem that are not strictly underneath the DocumentRoot. On Unix systems, symbolic links can bring other parts of the filesystem under the DocumentRoot. Alternatively, the Alias directive will map any part of the filesystem into the web space.

apache url encoding

For example, with. The ScriptAlias directive works the same way, with the additional effect that all content located at the target path is treated as CGI scripts. For situations where you require additional flexibility, you can use the AliasMatch and ScriptAliasMatch directives to do powerful regular expression based matching and substitution.

For example. For security reasons, it is inappropriate to give direct access to a user's home directory from the web. Therefore, the UserDir directive specifies a directory underneath the user's home directory where web files are located. However, if users' home directories are structured in a regular way, then it is possible to use the AliasMatch directive to achieve the desired effect. The configuration directives discussed in the above sections tell httpd to get content from a specific place in the filesystem and return it to the client.

Sometimes, it is desirable instead to inform the client that the requested content is located at a different URL, and instruct the client to make a new request with the new URL. This is called redirection and is implemented by the Redirect directive. You can redirect clients to any server, not only the origin server. For example, to redirect requests for the site home page to a different site, but leave all other requests alone, use the following configuration:.

Alternatively, to temporarily redirect all pages on one site to a particular page on another site, use the following:. This technique is called reverse proxying because the web server acts like a proxy server by fetching the documents from a remote server and returning them to the client.

It is different from normal forward proxying because, to the client, it appears the documents originate at the reverse proxy server. The ProxyPass configures the server to fetch the appropriate documents, while the ProxyPassReverse directive rewrites redirects originating at internal.

It is important to note, however, that links inside the documents will not be rewritten. So any absolute links on internal. It allows you to create maps of URLs that need to be rewritten, so that complex proxying scenarios can be handled. The directives provided by this module can use characteristics of the request such as browser type or source IP address in deciding from where to serve content.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

Server Fault is a question and answer site for system and network administrators. It only takes a minute to sign up. I am assuming, in a way, I need to create a 'looping' RewriteRule to tidy up the encode regex then redirect that at the same Host, strip the valid URL and send it off to the redirected host! This is really a task for your web application eg.

PHP, Python, etc. If this script is "public" then This maybe tricky to implement in. So, the resulting substitution string is:. As noted above, I would recommend doing this in your application, not. But anyway, to answer your specific question, you could do something like the following instead of your current directives.

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However, this requires Apache 2. This also assumes that additional pathname information is permitted in your config. You may need to explicitly set AcceptPathInfo On in. If not then you will also get a system generated Sign up to join this community. The best answers are voted up and rise to the top. Home Questions Tags Users Unanswered.

Asked 1 year, 8 months ago. Active 1 year, 8 months ago. Viewed 4k times. There's a couple of things I'm trying to understand in relation to a RewriteRule. The working rule on a URL strips a query back to a redirect, eg.

Messy and overhead, yes. Anyone have a suggestion or thoughts on the best way to attack this?

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MrWhite 8, 3 3 gold badges 17 17 silver badges 29 29 bronze badges. KdB KdB 33 1 1 silver badge 4 4 bronze badges. Active Oldest Votes.

apache url encoding

Solution As noted above, I would recommend doing this in your application, not. The first URL rewrite is passed through to the next directive that triggers the actual redirect. RewriteRule directives naturally chain together, the output of one is used as the input of the next, and so on.

However, contiguous slashes in the URL-path are reduced to single slashes. MrWhite MrWhite 8, 3 3 gold badges 17 17 silver badges 29 29 bronze badges. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown.This module provides a filter which will process files before they are sent to the client.

The processing is controlled by specially formatted SGML comments, referred to as elements. These elements allow conditional text, the inclusion of other files or programs, as well as the setting and printing of environment variables. If documents containing server-side include directives are given the extension. A command has the syntax:. Many commands only allow a single attribute-value pair.

This command doesn't output anything. Its only use is to add comments within a file. These comments are not printed. The value is a message that is sent back to the client if the echo element attempts to echo an undefined variable.

The value is a message that is sent back to the client if an error occurs while parsing the document. The value sets the format to be used when displaying the size of a file.

Valid values are bytes for a count in bytes, or abbrev for a count in Kb or Mb as appropriate, for example a size of bytes will be printed as "1K". The value is a string to be used by the strftime 3 library routine when printing dates. This command prints one of the include variables defined below.

Any dates printed are subject to the currently configured timefmt. Specifies whether Apache should strip an encoding from the variable before processing the variable further. The default is nonewhere no decoding will be done. If set to base64base64 will be decoded, and if set to entityHTML entity encoding will be stripped.

Decoding is done prior to any further encoding on the variable. Multiple encodings can be stripped by specifying more than one comma separated encoding. The decoding setting will remain in effect until the next decoding attribute is encountered, or the element ends.

The decoding attribute must precede the corresponding var attribute to be effective. Specifies how Apache should encode special characters contained in the variable before outputting them.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Server Fault is a question and answer site for system and network administrators. It only takes a minute to sign up. Is there a way to let apache ignore it?

In the default Apache configuration, the AllowEncodedSlashes directive is set to off.

PHP tutorial: Retrieving values from a URL's query string - surfcamqlibrary.site

This means that: " The optional nocanon keyword suppresses this and passes the URL path "raw" to the backend. Note that this keyword may affect the security of your backend, as it removes the normal limited protection against URL-based attacks provided by the proxy ", so you should evaluate also the usage of the "nocanon" option. Thus you're looking for the resource paramater. Sign up to join this community.

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The best answers are voted up and rise to the top. Home Questions Tags Users Unanswered. Asked 4 years, 8 months ago. Active 4 years, 7 months ago. Viewed 8k times. I need to be able to provide URLs as parameters. Can you check, in the access. As a side note, I don't think that mod-proxy gets confused. It's only that the receiving web server is receiving by mod-proxy a not-properly encoded request, resulting in a error. Also, as for this: stackoverflow. And if yes, how? If you don't have access to related log file, please try some "tcpdump -n -i lo port " packet capture and let us know.

Active Oldest Votes. Damiano Verzulli Damiano Verzulli 3, 1 1 gold badge 16 16 silver badges 26 26 bronze badges. Thanks for your help.

apache url encoding

I think you are right. However, I am doing already, what you suggest given, that I understand correctly, what you suggest. Still, it doesn't work.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. I have a list of URLs which I need to get the content of. The URL is with special characters and thus needs to be encoded. I use Commons HtpClient to get the content.

I've seen many posts about this problem, and most of them advice to build the URI part by part. The problem is that it's a given list of URLs, not a one that I can handle manually.

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I'll edit it to fit, however is untested. Please use the URLEncoder class. I used it in an exact scenario and it worked just fine for me. What I did is to use the URL class, to get the part that comes after the host for example - at www.

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Mapping URLs to Filesystem Locations

Asked 7 years, 8 months ago. Active 4 months ago. Viewed 32k times. Any other solution for this problem? Daniel 8, 3 3 gold badges 38 38 silver badges 61 61 bronze badges. Do you get the two errors for the same URL or does the first method work for some, and the second for others?

apache url encoding

I get the two errors on the same URL. Active Oldest Votes.

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I this that hte basic problem is that I cant find a java encoder that workd with httpclient whcih will encode the "right" way. What about slashes or other special characters? So this won't work in all cases. Yair Zaslavsky Yair Zaslavsky 3, 2 2 gold badges 14 14 silver badges 24 24 bronze badges. You don't need to encode the entire URL.

My problem was with an image that served as a profile picture of someone on Twitter. What I did is encode the part that comes the host.