Can't alert on most

[Michael Wisniewski <wiz561 () gmail com>]

Hi all,

I'm just starting out with Snort.  I'm running Ubuntu 12.04 amd64 with
Snort 2.9.6.0.  I have this running in Virtualbox, and the Virtualbox
Server is also Ubuntu (but 13.10).  In the Snort vbox, I have two NIC's
bridged to the network; eth0 is the management and eth1 is the sensor NIC.
I have both set to promiscuous mode and allow all traffic.

With tcpdump, I can see traffic being passed just fine on eth1.  When I
startup snort, I have the alerts getting dumped to a log file in ASCII.  In
the log file, the only thing I really see a lot of is:

[**] [129:12:1] Consecutive TCP small segments exceeding threshold [**]
[Classification: Potentially Bad Traffic] [Priority: 2] {TCP}

...and there's some other alerts, but the TCP small segments are the ones
that dominate the log.  I can do a nmap scan from offsite and all I see are
the above alert; nothing about a portscan.

Does anybody know why I'm seeing this?  In the conf file, I have pretty
much all stock (except for the paths).  Is there something else that needs
to be enabled in order to see the proper alerts?

Thanks in advanced...

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