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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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1
scripts/base/protocols/snmp/README Normal file
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Support for Simple Network Management Protocol (SNMP) analysis.

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scripts/base/protocols/snmp/__load__.bro Normal file
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@load ./main

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scripts/base/protocols/snmp/main.bro Normal file
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##! Enables analysis of SNMP datagrams.
module SNMP;
export {
}
const ports = { 161/udp, 162/udp };
redef likely_server_ports += { ports };
event bro_init() &priority=5
{
Analyzer::register_for_ports(Analyzer::ANALYZER_SNMP, ports);
}