SNMPv1:
Five operations/PDU: GET-RESPONSE, GET-NEXT, GET-request, SET,
TRAP.
Security: Community based. (No authentication no privacy)
SNMP Community strings are not encrypted(clear-text) in v1 & v2c. Community
string will be easily identified by packet sniffer.
SNMPv2c:
Two new operations/PDU – GET-BULK(efficient retrieval of
multiple OIDs), informs (trap + ACK mech.), plus 64-bit object support.
Security: Community based. (No authentication no privacy)
SNMP Community strings are not encrypted(clear-text) in v1 & v2c. Community string will be easily identified by packet sniffer.
PDUs: Includes all the v1&v2c pdu's.
Security: New architecture including security functionality;
authentication (SHA, MD5), privacy (encryption - DES, 3DES, AES). Uses Authentication(MD5
or SHA). Encryption using CBC-DES(Adds DES 56-Bit Encryption in Addition to
Authentication Based on DES-56).
Comments
Post a Comment