Re: Fw: [Snort-users] snort not reporting

Allan, sorry you are right. -A is for alerts and -b is for binary logging.
The log file is deleted because it is empty. This is also the reason why
there are no alerts.

You can try to verify the traffic generated by ppp0. It should not be 0 if
you have a successful connection and do some stuff. Try using a tool like
etherape or ethereal to monitor your ppp0 sensor. It should generate traffic
in logging (-b) mode. On linux 'dmesg' will also be helpful in identifying
some other problems.

Let me know if you can detect the traffic in any way using another tool.

Ben
----- Original Message -----
From: "Allan Jensen" <tubajensen@yahoo.com>
To: "Ben van der Merwe" <benm@pasco.co.za>
Cc: "Snort Users" <snort-users@lists.sourceforge.net>
Sent: Tuesday, December 14, 2004 12:52 PM
Subject: Re: Fw: [Snort-users] snort not reporting


> Ben,
>
> I tried this command:
>
> sudo snort -bi ppp0 -c /etc/snort/snort.conf
>
> (-b Log packets in tcpdump format)
>
> The -A option just sets the alert mode (That's not
> what I want - is it?)
> Using the -b option I find a file in /var/log/snort
> named:
>
> -rw------- 1 root wheel 0 14 Dec 11:35
> snort.log.1103020543
>
> As you can see it's size is 0. It also disappears when
> I quit snort.
>
> Allan.
>
>
> --- Ben van der Merwe <benm@pasco.co.za> wrote:
>
>> Allan,
>>
>> I experienced the same problem when I first tried
>> snort (with rules),
>> but my project only focused on binary logging so I
>> did not get the
>> opportunity to fix it. That may be a good idea - try
>> out the binary
>> logging (I think there is a '-A' option then) and
>> make sure that the
>> traffic is logged to a binary file. You can then
>> inspect the traffic
>> with tools like 'ethereal', 'etherape' and
>> 'tcpdump'. At least you can
>> narrow down the problem area in this way.
>
>
>
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