Dave, I did find my error. It was.... try to apply too short passwords!!!
Just to remember, my UCD SNMPv3 Agent was installed by means of a rpm file.
Well, this UCD SNMPv3 Agent was being inquired by a command-line Manager Application provided by AdventNet. The older versions of the AdventNet's SNMPv3 API were free, and I have downloaded and used them to communicate it with the UCD SNMPv3 Agent.
In order to better solve that problem regarding the setting of authentication and privacy functions in the UCD SNMPv3 Agent, I have downloaded and installed (by means of a tar.gz file) the NET-SNMP Toolkit right now. So, when I tried to start the snmpget application passing the authentication password named "bravo", this application stopped and said me that "bravo" was a too short password to used.
So, when I changed that password to "bravosierra" in the snmpd.conf file, I got to communicate both command-line Manager Applications (those provided by NET-SNMP and AdventNet) with the UCD SNMPv3 Agent. Now, I can dispose the SNMPv3/v2 gateway application that I was using in order to performs SNMPv3 communications between Manager and Agent applications.
Thanks again, Dave.
Dave Shield wrote:
My problem now is how do I set authentication and privacy capabilities in this SNMPv3 Agent. For example, I tried to start it with the snmpd.conf file below:
createUser helcio MD5 bravo
OK - that looks fine. (The "createUser" line would typically go in the /var/net-snmp/snmpd.conf file, while the access control entries belong in /usr/local/share/snmp or similar, but that's not important right now).
And your access control entries look OK too (well, they'd be easier to read if there wasn't so much whitespace, so they didn't line-wrap, but that's not really relevant either).
Where bravo is my authentication password. So, I tried to communicate with this Agent, but all I got is the following message:
Sending PDUFailed to authenticate the SecurityParameters for user helcio USMUserEntry not found for this user. TimeSynchronization failure could have occured
You must have done something wrong.
Yes, I know that's not very helpful, but it's the best I can do with the information you gave. Now if you'd told us exactly *how* you tried to communicate with the agent - i.e. the precise command you gave - maybe I could have been of more assistance.
Dave
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