SIDs and UIDs and RIDs! Oh My! (SAMBA)
I'm trying to grasp pg. 154 of the "Official SAMBA-3" book by Terpstra and Vernooij and I'm just missing a critical networking concept.
I understand that SIDs are the numerical identification of a user for the Windows world.
I understand that UIDs are the equivalent for the *nix world.
But what the @$@! is a Relative IDentifier (RID)?!?
On page 153 the command to map a windows group to a *nix group - no mention of RIDs.
Then on 154 it is stressed that under no circumstances should your *nix groups or users trod on window's assigned RIDs for Domain Admins, Domian Users, et. all. Another example of groupmap - oh look it lists a RID?
No mention as to where a RID comes from or can be viewed.
Do they mean that I can't have a user in Fedora that is 500? Isn't that a UID? Is a UID a RID? I've used Fedora for a year now and have never typed a RID modifying command.
I'm sure this is just so basic. But I don't know it and can't find it and it's critical to understand it.
T.I.A.
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