Can HTTP URIs have non-ASCII characters?

Posted by Cheeso on Stack Overflow See other posts from Stack Overflow or by Cheeso
Published on 2010-03-24T00:14:41Z Indexed on 2010/03/24 17:23 UTC
Read the original article Hit count: 429

Filed under:

unicode

|

isapi

|

http

|

rfc3986

I tried to find this in the relevant RFC, IETF RFC 3986, but couldn't figure it.

Do URIs for HTTP allow Unicode, or non-ASCII of any kind?

Can you please cite the section and the RFC that supports your answer.

NB: For those who might think this is not programming related - it is. It's related to an ISAPI filter I'm building.

Addendum

I've read section 2.5 of RFC 3986. But RFC 2616, which I believe is the current HTTP protocol, predates 3986, and for that reason I'd suppose it cannot be compliant with 3986. Furthermore, even if or when the HTTP RFC is updated, there still will be the issue of rationalization - in other words, does an HTTP URI support ALL of the RFC3986 provisos, including whatever is appropriate to include non US-ASCII characters?

© Stack Overflow or respective owner

Related posts about unicode

Translating Between Unicode and Non-Unicode Character Sets in Java

as seen on Internet.com - Search for 'Internet.com'
You can use Java APIs not only to help translate characters, strings, and text streams to other languages, but also to convert Unicode character sets to non-Unicode and vice versa. >>> More
SQLite, python, unicode, and non-utf data

as seen on Stack Overflow - Search for 'Stack Overflow'
I started by trying to store strings in sqlite using python, and got the message: sqlite3.ProgrammingError: You must not use 8-bit bytestrings unless you use a text_factory that can interpret 8-bit bytestrings (like text_factory = str). It is highly recommended that you instead just… >>> More
SQLite, python, unicode, and non-utf data

as seen on Stack Overflow - Search for 'Stack Overflow'
I started by trying to store strings in sqlite using python, and got the message: sqlite3.ProgrammingError: You must not use 8-bit bytestrings unless you use a text_factory that can interpret 8-bit bytestrings (like text_factory = str). It is highly recommended that you instead just… >>> More
notepad sql Unicode and Non Unicode

as seen on Super User - Search for 'Super User'
Hi, I have a Microsoft Notepad flate file with data and Vertical Bar as column delimiter. I get following message: cannot convert between unicode and non-unicode string data types It seems it is my nvarchar(max) that creates my problem. I changed to varchar(max); but still the same problem. How… >>> More
On Windows 7, dir or tree can't show unicode characters, even starting cmd with cmd /U

as seen on Super User - Search for 'Super User'
On Windows 7, dir or tree can't show unicode characters, even starting cmd with cmd /U So I would press Window Key + R to run something, and type in cmd /U so that the content might handle Unicode. And then using dir or tree /F, the content in Unicode won't show as Unicode. (in Window Explorer… >>> More

Related posts about isapi

Fake ISAPI Handler to serve static files with extention that are rewritted by url rewriter

as seen on Developer IT - Search for 'Developer IT'
Introduction I often map html extention to the asp.net dll in order to use url rewritter with .html extentions. Recently, in the new version of www.nouvelair.ca, we renamed all urls to end with .html. This works great, but failed when we used FCK Editor. Static html files would not get serve because… >>> More
Helicon ISAPI Rewrite Proxy 500 Internal Server Error

as seen on Server Fault - Search for 'Server Fault'
Hi, I have a website running at www.domain.com. The client now wants the website to appear to be running under www.otherdomain.com/whatson/brand/ Since the website is umbraco it won't run under a subfolder. I wanted to use ISAPI rewrite to proxy requests to www.domain.com using the following rule… >>> More
How to enable .NET Extensibility, ASP.NET, ISAPI Extensions, and ISAPI Filters on Windows Small Buis

as seen on Stack Overflow - Search for 'Stack Overflow'
Today wanting to deploy an asp.net mvc application I had to enable .NET Extensibility, ASP.NET, ISAPI Extensions, and ISAPI Filters on Win Small Buisness Server 2008 I was surprised 1h and I could not find how to do it. This was the hint but ... still nothing. http://blogs.dovetailsoftware.com/blogs/kmiller/archive/2008/10/07/deploying-an-asp-net-mvc-web-application-to-iis7… >>> More
Setting custom header values in an IIS ISAPI filter

as seen on Stack Overflow - Search for 'Stack Overflow'
I have an ISAPI filter that I am using to do URL rewriting for my CMS. I am processing SF_NOTIFY_PREPROC_HEADERS notifications, and trying to do this: DWORD ProcessHeader(HTTP_FILTER_CONTEXT *con, HTTP_FILTER_PREPROC_HEADERS *head) { head->SetHeader(con, "test1", "aaa"); con->AddResponseHeaders(con… >>> More
Faulting DLL (ISAPI Filter)...

as seen on Stack Overflow - Search for 'Stack Overflow'
I wrote this ISAPI filter to rewrite the URL because we had some sites that moved locations... Basically the filter looks at the referrer, and if it's the local server, it looks at the requested URL and compared it to the full referrer. If the first path is identical, nothing is done, however if… >>> More