* <code>\x</code>: single byte.
* <code>{...}</code>: strings, which are transfered in the as UTF8 encoding, and suffixed with a <code>\0-byte</code>.* <code>[...]</code>: binary raw data, suffixed with <code>\0</code>. All 00 <code>\0</code> and <code>\FF </code> bytes are prefixed with <code>\FF</code>.
===Authentication (via [http://tools.ietf.org/html/rfc2195 cram-md5])===