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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 corporation must be encoded as
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