Missing value in manual definition of u2 packet record
fear nothing <[email protected]>
| Newsgroups | gmane.comp.security.ids.snort.devel |
|---|---|
| Message-ID | <[email protected]> |
I believe I have found an error in the manual.snort.org documentation
for the unified2 output. Specifically, the structure for Unified2 Packet
records
<http://manual.snort.org/node44.html#SECTION00632000000000000000> is
currently:
sensor id 4 bytes
event id 4 bytes
event seconds 4 bytes
event microseconds 4 bytes
linktype 4 bytes
packet length 4 bytes
packet data <variable length>
The actual output of my device (currently running 2.9.7.3) is more
accurately represented by:
sensor id 4 bytes
event id 4 bytes
event second 4 bytes
packet second 4 bytes
packet microsecond 4 bytes
linktype 4 bytes
packet length 4 bytes
packet data <variable length>
The c header
<https://github.com/jasonish/snort/blob/master/src/sfutil/Unified2_common.h#L135>
seems to support this belief. It's a small thing but could save
headaches for the next person crazy enough to start parsing the unified2
output themselves :)
Regards,
fearnothing
github.com/scherma
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