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Re: Synchronising Unix and NT IDL's [message #13360 is a reply to message #13348]

Fri, 06 November 1998 00:00

edors
Messages: 7
Registered: November 1998

Junior Member

Phil,

The problem your system administrator is talking about has to
do withthe fact that nfsd tries to map the user id number (UID) and
group id number (GID) specified by the mounting computer to the same
UID and GID on the mounted machine. This can be a problem if your
export list includes permissions for DOS machines because there is no
security system set up to prevent a person on a DOS machine from
saying he is root (uid 0, gid 0) even though that person is not
authorized to do so.
Some Unix systems have the ability to "root_squash", that is,
change the UID and GID of the user mounting a disk to another UID and
GID, say the UID for an anonymous user. If your system administrator
exports the disk in this manner, dos machines will no longer be able
to become root when they mount the exported file system. And both of
you can be happy.

Hope this helps,

Eric

--

Eric E. Dors
Los Alamos National Laboratory

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[Message index]

		Re: Synchronising Unix and NT IDL's By: Liam Gumley on Mon, 09 November 1998 00:00
		Re: Synchronising Unix and NT IDL's By: edors on Fri, 06 November 1998 00:00
		Re: Synchronising Unix and NT IDL's By: Charlie Solomon on Fri, 06 November 1998 00:00
		Re: Synchronising Unix and NT IDL's By: philip aldis on Fri, 06 November 1998 00:00

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