Comparisons of Security in Different SNMP Versions
Protocol Version |
User Checksum |
Encryption |
Authentication |
|---|---|---|---|
v1 |
No. Uses a community name. |
No |
No |
v2c |
No. Uses a community name. |
No |
No |
v3 |
Yes. User-name-based encryption/decryption. |
Yes |
Yes |
SNMPv1 and SNMPv2c have security risks. Using SNMPv3 is recommended.