On Tue, 2005-06-28 at 15:03 -0700, Fong Tsui wrote:

> FT>> When removing a v3 user, we need to remove the user from both
> FT>> [config] files.
> 
> DS> Delete the user from the usmUserTable (usmUserStatus.xxx = 6)
> DS> When the agent next shuts down, it will re-write the persistent
> DS> file *without* the deleted user entry.
> 
> Is there other way to do this? By setting usmUserStatus.xxx, it requires
> config a read-write control access. 

To that one column object, yes.


> So, is there a way we can remove v3 user entry from persist file
> without depending on control access?

Shut down the agent, delete the relevant entry from the config file,
and restart the agent again.  Which brings us back to your original
question:

>                the entry in persist snmpd.conf is encoded.
> How can I know which entry is matched user 

In fact, it's probably overstating things to call the user entry
"encoded" - the user name is simply stored as a binary string
rather than a printable one.

If you look at the fourth and fifth fields of the 'usmUser' entry,
you'll see that they're probably the same - this is the username
(and security name).  Each pair of hex digits is the ASCII code of
the relevant character.

Dave



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