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Can there be a colon in a URL?
Your vendor probably meant that colons aren’t great to use in URLs because they are part of RFC 3986’s reserved characters, since colon has a special meaning in the URL. Technically, since colon has no special meaning as part of the URL query string, they don’t need to be URL-encoded.
What Does a colon in a URL mean?
Finally, a Web URL can have a query part at the end, following a question mark. When a URL has a query part, it tells the host computer more specifically what you want the page to display. The colon turns into a vertical bar (because colons in URLs mean something else), and the backslashes turn into forward slashes.
Are URL characters safe?
These characters are “{“, “}”, “|”, “\”, “^”, “~”, “[“, “]”, and “`”. All unsafe characters must always be encoded within a URL. The characters “;”, “/”, “?”, “:”, “@”, “=” and “&” are the characters which may be reserved for special meaning within a scheme. No other characters may be reserved within a scheme.
Is comma URL safe?
Answer: While it’s definitely possible to use commas in URLs, it’s not a widely used practice, nor is it recommended. Users aren’t familiar with commas in URLs because they aren’t normally used as part of the hierarchy in a link. They can, however, be used to delineate subcomponents within a URL structure.
What is Colon in query string?
The colon character is used to separate the protocol (e.g. http, ftp, etc.) from the server portion of your request.
How do you use a colon in a URL?
Colon is safe in the path part of a URI. In fact, all of these characters are safe, according to RFC3986: a-zA-Z0-9!$ &'()*+,;=:@~_. – However, in a relative path, you must use the ./ as in ./XYZ:ABCDEFG because a ‘:’ may not be in the first part.
Is it safe to use a colon in an url?
But taking a look at the original URL, you will notice it contains a colon in an uncommon position (the colon is encoded as %3A after bad%2F ). From a security standpoint, does that colon represent any hazards?
Can a semicolon be used at the end of an url?
Yes, semicolons are valid in URLs. However, if you’re plucking them from relatively unstructured prose, it’s probably safe to assume a semicolon at the end of a URL is meant as sentence punctuation. The same goes for other sentence-punctuation characters like periods, question marks, quotes, etc..
Is it safe to use a colon in Firefox?
The recommended encoding scheme to use is UTF-8. However, for compatibility reasons, if an encoding is not specified, then the default encoding of the platform is used. That is, : is not safe. I don’t see Firefox or IE8 encoding some of the Wikipedia URLs that include the character.
Do you use colons in MediaWiki URLs?
MediaWiki and other wiki engines use colons in their URLs to designate namespaces, with apparently no major problems. In addition to McDowell’s analysis on URI standard, remember also that the fragment must be valid HTML anchor name. According to http://www.w3.org/TR/html4/types.html#type-name