I thought using colons in URIs was "illegal". Then I saw that vimeo.com is using URIs like http://www.vimeo.com/tag:sample.

  1. What do you feel about the usage of colons in URIs?
  2. How do I make my Apache server work with the "colon" syntax because now it's throwing the "Access forbidden!" error when there is a colon in the first segment of the URI?


I've seen URL's that contain : too.

Written by Geo

... and it wasn't for the port.

Written by Geo

Can you give an example?

Written by Gumbo

I've seen something like this site.com/browse:section?id=1

Written by Geo

For reference, colons don't seem to be specifically disallowed at that point by RFC2396 section 3.3 ietf.org/rfc/rfc2396.txt

Written by Tim

It's fine. It might break naïve programmers' simple regexp-based URL-parsing hacks, but they deserve to be broken. :-)

Written by bobince

Accepted Answer

Colons are allowed in the URI path. But you need to be careful when writing relative URI paths with a colon since it is not allowed when used like this:

<a href="tag:sample">

In this case tag would be interpreted as the URI’s scheme. Instead you need to write it like this:

<a href="./tag:sample">
Written by Gumbo
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