Creating a Strong SNMP Community String

Creating a Strong SNMP Community String

To ensure that an attacker does not gain privileged or read access to your devices via a poorly configured SNMP community string, we would recommend that the following steps should be taken:

Follow similar guidance to mainstream password guidance.

• Use both upper and lower case

• Include one or more numerical digits

• Use special characters, e.g. @, #, $ etc.

• Prohibit use of words found in a dictionary

• Disallow passwords matching the format of calendar dates, license plate numbers, telephone numbers, or other common numbers

• Prohibit of use of company name or an abbreviation