Newbie - can Snort alert me to outgoing traffic?

Newbie - can Snort alert me to outgoing traffic?

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Subject Author Date
Newbie - can Snort alert me to outgoing traffic? joe 11-30-2004
Posted by joe on November 30, 2004, 2:00 pm
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I have an iMac G3 at home hooked up to a cable modem. I¹m concerned about
apps or spyware that might be connecting to the internet without my
knowledge. I¹ve got Snort running (via Henwen, a mac gui for snort) and
would like to configure it to alert me to any outgoing network requests.
There is a mac utility called Little Snitch that does this, but I was
wondering if Snort will do this too.

Is there a Snort rule that might do this? I have a VERY minimal
understanding of Snort and NIDS. Thanks in advance...



Posted by Wolfgang Kueter on November 30, 2004, 11:29 pm
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joe wrote:

> I have an iMac G3 at home hooked up to a cable modem. I¹m concerned about
> apps or spyware that might be connecting to the internet without my
> knowledge.

man netstat. Apart from that: Why do you install/runsoftware, you don't
trust?

> I¹ve got Snort running (via Henwen, a mac gui for snort) and
> would like to configure it to alert me to any outgoing network requests.

A gateway is a much better place for a snort sensor.

> Is there a Snort rule that might do this?

There are many rules, that can do this. It depends on the configuration of
the sensor. Again: A gateway between your box and the other network
(probably the internet) is the much better place for the sensor.

> I have a VERY minimal understanding of Snort and NIDS.

Reading the documentation on http://www.snort.org might help.

Wolfgang


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