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-rw-r--r--protocol.txt8
1 files changed, 7 insertions, 1 deletions
diff --git a/protocol.txt b/protocol.txt
index 184906e..f01b23d 100644
--- a/protocol.txt
+++ b/protocol.txt
@@ -58,4 +58,10 @@ Example: SERV
QUIT:
Gracefully terminates the connection.
-The server should return the case-sensitive text "OK" and must immediately close all active connections for the current user. \ No newline at end of file
+The server should return the case-sensitive text "OK" and must immediately close all active connections for the current user.
+
+==================================================================================
+Backend Server
+==================================================================================
+
+On initial connection from the client container, the master server must negotiate a successful Kerberos connection. Once this connection is established, the server must transmit a string containing the case-sensitive text "OK". The server has now fully established a secure bidirectional channel to the client and may proceeed to use the channel for any purpose. If the server wishes to reject the connection, for example due to a hardware failure, it must transmit a string containing the case-sensitive text "ERRNOTAVL", after which the server should close the client connection. \ No newline at end of file