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C.2. Escaping Unsafe Characters
Any unsafe characters in the URL need to be escaped, or substituted with a special sequence of characters.
For example, a space is an unsafe character that must be represented as
%20 within the URL. Thus, the distinguished name o=example.com corporation must be encoded as o=example.com%20corporation.
The following table lists the characters that are considered unsafe within URLs and provides the associated escape characters to use in place of the unsafe character:
| Unsafe Character | Escape Characters |
|---|---|
| space | %20 |
| < | %3c |
| > | %3e |
| " | %22 |
| # | %23 |
| % | %25 |
| { | %7b |
| } | %7d |
| | | %7c |
| \ | %5c |
| ^ | %5e |
| ~ | %7e |
| [ | %5b |
| ] | %5d |
| ` | %60 |
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