Receiving and Detecting SNMPTRAPv3 with Hinemos

Hello!

In this article, we will introduce you how to monitor and detect SNMPTRAP v3 using Hinemos.

SNMPTRAP Monitor provides information about the status of the target by receiving its SNMPTRAP. Hinemos is able to monitor and detect SNMPTRAP v1, v2c, and v3.

○Setup

Open the Hinemos Property view from the Maintenance Perspective and modify the following properties according to your environment.

*Restarting Hinemos is required to apply modification change

・monitor.snmptrap.v3.user

→ User for receiving SNMPTRAP. Default: Hinemos

・monitor.snmptrap.v3.security.level

→ Security level of SNMPTRAP. Default: noauth_nopriv

・monitor.snmptrap.v3.auth.password

→ Password of SNMPTRAP. Default: authPassword

・monitor.snmptrap.v3.auth.protocol

→ Authentication protocol of SNMPTRAP. Default: MD5

・monitor.snmptrap.v3.priv.password

→ Privacy password of SNMPTRAP. Default: privPassword

・monitor.snmptrap.v3.priv.protocol

→ Privacy protocol of SNMPTRAP. Default: DES

The monitor setting for Hinemos is configured as shown below.

 

“EVENT_FOR_TRAP” is selected as the notification method.

 

○Operation Check

Check 1. When the security level is not set

By default, the security level is set to “noauth_nopriv” and nothing is configured to the authentication/decryption setting.

Let’s see what will happen if we sent out an SNMPTRAP by setting the user name and community name only.

SNMPTRAP is detected and notified with priority “Critical”.

Check 2. When the security level is set to “auth_NoPriv”

Change “monitor.snmptrap.v3.security.level” to “auth_nopriv”, “monitor.snmptrap.v3.auth.protocol” to “SHA”, and “monitor.snmptrap.v3.auth.password” to any password.
Restart Hinemos Manager after configuring the above.

After restarting Hiemos Manager, send an SNMPTRAP using the following command.

SNMPTRAP is detected and notified with priority “Critical”.

 

Check 3. When the security level is set to “auth_priv”

Change “monitor.snmptrap.v3.security.level” to “auth_priv”, “monitor.snmptrap.v3.auth.protocol” to “SHA”, “monitor.snmptrap.v3.auth.password” to any password, “monitor.snmptrap.v3.priv.protocol” to “AES”, and “monitor.snmptrap.v3.priv.password” to any password.
Restart Hinemos Manager after configuring the above.

After restarting Hiemos Manager, send an SNMPTRAP using the following command.

SNMPTRAP is detected and notified with priority “Warning”.


That’s it for today!
And as always, thanks for reading.


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