Holger wrote: which community string is used in a response to a set-request and which is used in a response to a get-request?
The packet is a turn-around document with respect to the community string. The community string in the response is typically whatever it was in the request. [snip] if you were to use the community-string field for passing different information from the agent back to the manager then it would not be standard SNMP. Since you referred to “the” read/write community string let me point out that there can be multiple read and multiple write communities (although your agent/config file may constrain that in some way). You can use them to provide views of different portions of the mib for instance (but there is no v1/v2c standard for this mapping). The community string is a poor man’s password scheme because it is sent unencrypted in v1/v2c packets and tries to to do the job of authentication, privacy, and views. V3 does away with it. Jim Jones [Editor’s Note: I would have said “SNMPv3 offers more and better options for security and privacy in SNMP messages.”] 1.10.
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