S: "VERSION" TAB <major> TAB <minor>
S: "SPID" TAB <pid>
S: "CUID" TAB <pid>
+ S: "COOKIE" TAB <cookie>
S: "MECH" TAB <name> [TAB <parameters>] (multiple times)
S: "DONE"
CUID is currently useful only for APOP authentication.
+COOKIE returns connection-specific 128 bit cookie in hex. It must be
+given to REQUEST command. (v2.0+)
+
DONE finishes the handshake from server. CPID finishes the handshake from
client.
Master Requests
---------------
- M: "REQUEST" TAB <id> TAB <client-pid> TAB <client-id>
+ M: "REQUEST" TAB <id> TAB <client-pid> TAB <client-id> TAB <cookie>
M: "USER" TAB <id> TAB <userid> TAB service=<service> [TAB <parameters>]
S: "NOTFOUND" TAB <id>