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user table scope columns (Host, User, and Password).
Host value may be a hostname or an IP number, or 'localhost' to indicate the local host.
%’ and ‘_’ in Host column values are permitted.
%.gatech.edu' matches any host in the gatech.edu domain.
User column, wildcard characters are not allowed, but one can specify a blank value, which matches any name.
Password column can be blank.
Password values represent encrypted passwords.
Host and User values in the user table apply to incoming connections.
Host Value |
User Value |
Allowable Connections |
|---|---|---|
thomas.loc.gov |
doe |
doe, connecting from thomas.loc.gov
|
thomas.loc.gov |
|
Any user, connecting from thomas.loc.gov
|
% |
doe |
doe, connecting from any host |
% |
|
Any user, connecting from any host |
%.loc.gov |
doe |
doe, connecting from any host in the
loc.gov domain |
gtri.%.edu |
doe |
doe, connecting from gtri.cornell.edu,
gtri.gatech.edu, gtri.purdue.edu,
and so on (this is probably not useful) |
144.15.16.17 |
doe |
doe, connecting from the host with IP address
144.15.16.17
|
144.15.16.% |
doe |
doe, connecting from any host in the
144.15.16 class C subnet |
144.15.16.0/255.255.255.0 |
doe |
Same as previous example |
What if there is more than one connection match?
© 2007 John Michael Pierobon