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Add SNMP datagram parsing support.

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This supports parsing of SNMPv1 (RFC 1157), SNMPv2 (RFC 1901/3416), and
SNMPv2 (RFC 3412).  An event is raised for each SNMP PDU type, though
there's not currently any event handlers for them and not a default
snmp.log either.  However, simple presence of SNMP is currently visible
now in conn.log service field and known_services.log.
This commit is contained in:
Jon Siwek 2014-02-18 14:41:32 -06:00
parent ba81aa4387
commit a0c06a957b
38 changed files with 2345 additions and 8 deletions
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26
testing/btest/Baseline/scripts.base.protocols.snmp.v1/out2 Normal file
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snmp_get_request
[orig_h=203.143.168.235, orig_p=1026/udp, resp_h=129.94.135.39, resp_p=161/udp]
is_orig: T
[community=public]
request_id: 1567
error_stat: 0
error_idx: 0
oid: 1.3.6.1.2.1.25.3.2.1.5.1
value (tag=0x05): <unspecified>
oid: 1.3.6.1.2.1.25.3.5.1.1.1
value (tag=0x05): <unspecified>
oid: 1.3.6.1.2.1.25.3.5.1.2.1
value (tag=0x05): <unspecified>
snmp_response
[orig_h=203.143.168.235, orig_p=1026/udp, resp_h=129.94.135.39, resp_p=161/udp]
is_orig: F
[community=public]
request_id: 1567
error_stat: 0
error_idx: 0
oid: 1.3.6.1.2.1.25.3.2.1.5.1
value (tag=0x02): 5
oid: 1.3.6.1.2.1.25.3.5.1.1.1
value (tag=0x02): 1
oid: 1.3.6.1.2.1.25.3.5.1.2.1
value (tag=0x04): \xc0