2.2.1.5 Server
This header is defined for use only in responses sent to a client.
The syntax of the Server header is defined as follows.
-
server-token = ( "Cougar" / "Rex" ) major = 1*2DIGIT minor = 1*2DIGIT ["." 1*4DIGIT "." 1*4DIGIT] product = ; as defined in section 3.7 of [RFC1945] Server = "Server: server-token "/" major "." minor *( SP product ) CRLF
Note The values "Cougar" and "Rex" are not example server-token values. They are specific literal strings that appear in protocol messages.
The following table shows the valid values of the server-token, major, and minor ABNF syntax elements.<43>
Server-Token |
Major |
Minor |
---|---|---|
Cougar |
4 |
0 |
Cougar |
4 |
1 |
Cougar |
9 |
0 |
Cougar |
9 |
1 |
Cougar |
9 |
5 |
Rex |
4 |
0 |
Rex |
7 |
0 |
Rex |
7 |
1 |
Rex |
8 |
0 |
Rex |
9 |
0 |
Rex |
10 |
0 |
Rex |
11 |
0 |