Re: Snort-2.9.6.0 Packet Capturing

[Nanda Vardhan <nandu7ninja () gmail com>]

Then how to capture packets of all the devices that are connected to the
network on which snort is running. Is there anyway to capture and alert
based on snort rules. I didnt install tcpdump, Does it help any? So please
help me to this problem..  If its not possible whats the use of running
snort in IDS mode?

On Friday, March 21, 2014, Joel Esler (jesler) <jesler () cisco com> wrote:

>  You can't sniff packets of other devices?  Well, no, you can't do that.
>  You need to sniff from the device the traffic is actually *on.*
>
>  --
> *Joel Esler*
> Open Source Manager
> Threat Intelligence Team Lead
> Vulnerability Research Team
>
>  On Mar 21, 2014, at 6:45 AM, Nanda Vardhan <nandu7ninja () gmail com<javascript:_e(%7B%7D,'cvml','nandu7ninja () 
> gmail com');>>
> wrote:
>
>  I am a newbie of Snort IDS. I installed Snort 2.9.6.0 on ubuntu. I want
> to sniff packets from all the devices connected to wifi router and get
> alerts based on some rules I defined. I manually setup NIC to promiscuous
> mode. My problem is that I cannot sniff packets of other devices. Am
> getting packet information of only laptop on which Snort is running.
>
>  I used following command:
>
> $ sudo snort -c  snort.conf -A console -i wlan0
>
>  Output:
>            Preprocessor Object: SF_DNP3  Version 1.1  <Build 1>
>            Preprocessor Object: SF_IMAP  Version 1.0  <Build 1>
>            Preprocessor Object: SF_SIP  Version 1.1  <Build 1>
>            Preprocessor Object: SF_DNS  Version 1.1  <Build 4>
>            Preprocessor Object: SF_SSLPP  Version 1.1  <Build 4>
> Commencing packet processing (pid=3312)
>
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-- 
Sent from Nanda's iPad

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