using net-snmp 5.4.1 on FreeBSD 8.0 (because that's what ports installs)
I have a problem that I consider a bug. Others may not consider this a
bug, as usually it wouldn't be visible to an end user. It's visible to be
because I am trying to write a GUI to manage nst-snmp:snmpd.
Starting with this /usr/local/share/snmp/snmpd.conf
rouser guest noauth
rocommunity public default -V open
syscontact [email protected]
I stop snmpd
I add a noauthnopriv createUser line to my persistent data file
/var/net-snmp/snmpd.conf
echo "createUser guest" >> /var/net-snmp/snmpd.conf
and start snmp, and then look at the resultant usmUser line.
grep usmUser /var/net-snmp/snmpd.conf
usmUser 1 3 0x80001f8880788c2d50b1cb634f00000000 0x677565737400
0x677565737400 NULL .1.3.6.1.6.3.10.1.1.1 0x .1.3.6.1.6.3.10.1.2.1 0x 0x00
and as you can see, it is auth none (.1.3.6.1.6.3.10.1.1.1), priv none(
.1.3.6.1.6.3.10.1.2.1)
If I then add
iquerySecuser guest
to /usr/local/share/snmp/snmpd.conf and then restart snmpd, it changes
grep usmUser /var/net-snmp/snmpd.conf
usmUser 1 3 0x80001f8880788c2d50b1cb634f00000000 0x677565737400
0x677565737400 NULL .1.3.6.1.6.3.10.1.1.2 0x .1.3.6.1.6.3.10.1.2.2 0x 0x00
to auth MD5 (.1.3.6.1.6.3.10.1.1.2) priv DES (.1.3.6.1.6.3.10.1.2.2)
Now functionally it appears to make no difference, as you can still access
with '-u guest -i noAuthnoPriv' but if you are trying to write a GUI to
manage snmpd it's a PITA.
So my questions are:
1) Is there a good reason for this behavior
2) Is the behavior any different in newer releases?
3) If the answers to 1 and 2 are both "no", Is there any likelyhood that a
bug would be addressed? I realize this is a corner case that is completely
uninteresting to most people.
-- Brian.
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