[Snort-users] Continuous packet streaming on boot of CentOS 6.3 64 bit

Russ Combs rcombs at ...1935...
Tue Jun 11 04:39:43 EDT 2013


On Tue, Jun 11, 2013 at 4:26 AM, Mayur Patil <ram.nath241089 at ...11827...>wrote:

> The snort message is as follows:
>
> Initializing output plugins !!
>
> pcap DAQ is configured to passive.
>
> Acquiring network traffic from "eth0"
>
> Decoding ethernet
>
>     --==Initialization Complete==--
>
> SNort
> .
> .
> .
> . //messages of version number
> .
> .
> .
>
> Commencing packet processing (pid=1668)
>
> and stopped there !!
>
> I have unplugged n/w cable and got above output.
>
> Does "shell in" means getting grub console then yes !!
>

I meant ssh but if unplugging the cable works, that's great.

>
> I can get grub console.
>
> Looking forward for guidance,
>

I'm guessing that you are still in packet dump mode and that you really
want IDS mode.  Do you know what the command line arguments to Snort are?
 If it is running now you can do something like "ps alx | grep snort" to
see.  You need to add -c snort.conf to run in IDS mode.

> *
> --
> Cheers,
> Mayur*
>
>
> On Tue, Jun 11, 2013 at 1:45 PM, Russ Combs <rcombs at ...1935...> wrote:
>
>>
>>
>> On Tue, Jun 11, 2013 at 4:12 AM, Mayur Patil <ram.nath241089 at ...11827...>wrote:
>>
>>> Thanks Russ sir for reply.
>>>
>>> My problem is I am unable to log into command line mode  i.e. Ctrl+Alt+F2
>>>
>>> and also GUI mode of CentOS. And after that I have to add this path.
>>>
>>> Would you please guide me how to do that it will be a great help !!
>>>
>>> Can you shell in?  If that doesn't work, try unplugging your network
>> cable(s).
>>
>>
>>> Thank you !!
>>> --
>>> *Cheers,
>>> Mayur*.
>>>
>>> On Tue, Jun 11, 2013 at 1:33 PM, Russ Combs <rcombs at ...1935...>wrote:
>>>
>>>> On Tue, Jun 11, 2013 at 3:41 AM, Mayur Patil <ram.nath241089 at ...11827...>wrote:
>>>>
>>>>> Hello,
>>>>>
>>>>>  I am seeing something like this
>>>>>
>>>>>  *06/11 11:0246  10.1.46.123:136 -> 10.1.46.255:137*
>>>>>  * UDP:TTL :128 TOS:8 ID:20 IpLen:20 DgmLen:78 Len:50
>>>>>
>>>>> * in continuous streaming of packets.
>>>>> *
>>>>> *
>>>>> * *Now I am sure that this is the Snort startup script problem.....!!
>>>>>
>>>>>  At the starting I have seen message  *starting snort in packet dump
>>>>> mode*
>>>>>
>>>>>  Please help how to disable this mode or disable snort script from
>>>>> loading at boot time??
>>>>>
>>>>
>>>> *Running in packet dump mode is because you don't have a "-c
>>>> path/snort.conf" option on your command line. *
>>>>
>>>>>
>>>>> On Tue, Jun 11, 2013 at 11:00 AM, Mayur Patil <
>>>>> ram.nath241089 at ...11827...> wrote:
>>>>>
>>>>>> Hello,
>>>>>>
>>>>>>    I have stuck on one issue. I am unable to see either GUI or CLI
>>>>>> for CentOS 6.3.
>>>>>>
>>>>>>    Description as follows:
>>>>>>
>>>>>>    I was just checking my snort script on centos machine yesterday.
>>>>>> So I left machine as it is.
>>>>>>
>>>>>>    When I come today, screen location has changed on desktop so I
>>>>>> adjusted and reboot.
>>>>>>
>>>>>>    When I reboot it takes much time to boot, so I press any key on
>>>>>> keyboard it shows
>>>>>>
>>>>>>    fast continuous streaming, no idea of what, seems like to be many
>>>>>> packets
>>>>>>
>>>>>>    Somewhat
>>>>>>
>>>>>>    UDP---TLS-----255.255.255.0 ------------------->
>>>>>>
>>>>>>     like this. When I try to load the Ctrl+Alt+f2 nothing happens.
>>>>>>
>>>>>>     I am also unable to login through Putty but I am able to ping the
>>>>>> machine.
>>>>>>
>>>>>>     How to stop this packet steaming??
>>>>>>
>>>>>>     Need help please!!
>>>>>>
>>>>>
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