[rrd-users] Re: SNMP - what do i do wrong?

Serge Maandag serge.maandag at staff.zeelandnet.nl
Wed Feb 27 09:44:18 MET 2002

Hmm, I'm not sure you understand the meaning of the read community name.

Snmp gives a lot of info, so it makes your device vulnerable, security
Therefore you have to define a read only password and a read write
password on your device, to keep the wrong people out.

Those passwords are called communities in snmp world.

The read only password defaults to "public" and the read/write password
defaults to "private". Don't keep those, though. It's the first thing
malicious hackers will try.

For now:

- Make sure your device accepts udp on port 161 from you
- Make sure the device has an snmp agent configured.
- Make sure you are using the wrong community name
- if snmpget won't work, first try snmpwalk to view an entire tree.

Serge Maandag.

-----Original Message-----
From: spiekey [mailto:spiekey at hotmail.com] 
Sent: Tuesday, February 26, 2002 6:56 PM
To: rrd-users at list.ee.ethz.ch
Subject: [rrd-users] Re: SNMP - what do i do wrong?


----- Original Message -----
From: "Claude R Trepanier/Bromont" <crtrepan at ca.ibm.com>
To: "spiekey" <spiekey at hotmail.com>
Cc: "rrd-users" <rrd-users at list.ee.ethz.ch>
Sent: Tuesday, February 26, 2002 6:44 PM
Subject: [rrd-users] Re: SNMP - what do i do wrong?

> try: $ snmpget read_community_name system.sysDescr.0
> Obviously you replace read_community_name with the proper name. I 
> think
> capital D in sysDescr is your problem.

Then i get this:
# snmpget read_community_name system.sysDescr.0
Timeout: No Response from

> Claude R Trépanier
> Support de l'infrastructure du réseau
> IBM Bromont

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