[Iftop-users] If top help

Paul Warren pdw at ex-parrot.com
Fri, 4 Jul 2008 13:31:49 +0100


On 4 Jul 2008, at 12:52, Mr nandkishor jade wrote:

> Hi,
>          Ok, If I wnat to serch the bandwidth usage for a Ip  
> 192.168.0.36 which accessing youtube.com, then How I look that, How  
> much bandwidth this user has used.
>           Also in this tree figure which figure stands for which  
> value .
> 92.5Kb  31.2Kb  7.79Kb

This is documented in the man page.

If anyone is interested in using iftop to capture bandwidth  
information to a file, take a look at iftop-dump in CVS.  It's a bit  
of a hack, and won't be making it into the distributions until it's  
tidied up.  Patches welcomed :-)

Paul

> --- On Fri, 7/4/08, Revellion <revellion@gmail.com> wrote:
>
>> From: Revellion <revellion@gmail.com>
>> Subject: Re: [Iftop-users] If top help
>> To: jadenandkishor@yahoo.com
>> Date: Friday, July 4, 2008, 5:12 PM
>> the statistics can't really be redirected. since iftop
>> reads the traffic
>> using libpcap and displays the usage for a certain
>> timeframe by taking
>> samples of it.
>>
>> only way you could get something like that is to use
>> tcpdump and dump the
>> whole traffic stream which can be huge with much traffic.
>> and therefore not
>> very practical. iftop is like top in that aspect. you can
>> "watch/monitor"
>> but it cant save the stats to files to be used later in
>> presentation/display.
>>
>> you'd have to use a different way to get BW stats for
>> that user. maybe
>> consider iptables and it's counters?
>>
>> like
>> iptables -A FORWARD -s 192.168.0.36 -j ACCEPT for outgoing
>> and
>> iptables -A FORWARD -d 192.168.0.36 -j ACCEPT for ingoing
>>
>> then check the stats using iptables -L FORWARD -v
>> Maybe do a script that reads the counter periodically and
>> records the value
>> to a file
>>
>> On Fri, Jul 4, 2008 at 6:56 AM, Mr nandkishor jade
>> <jadenandkishor@yahoo.com>
>> wrote:
>>
>>> Hi,
>>>               How I redirect the output of this ittop
>> to any file for a
>>> shecifice host. If we run iftop command then we swa
>> the 5 feilds output
>>> first & second shows the IP address of source
>> & destinations. But what is
>>> the 3,4 & 5 colloumns stand for.  for example.
>>>
>>> 203.199.83.171   => 192.168.0.36      92.5Kb
>> 31.2Kb  7.79Kb
>>>
>>>               Also If I wnat to send the bandwidth
>> history of IP
>>> 192.168.0.36 to another file for browsing later then,
>> What command I run.
>>>
>>>
>>> Regards,
>>> Nandkishor Jade
>>> +91-9969062597
>>>
>>> --- On Thu, 7/3/08, Revellion
>> <revellion@gmail.com> wrote:
>>>
>>>> From: Revellion <revellion@gmail.com>
>>>> Subject: Re: [Iftop-users] If top help
>>>> To: jadenandkishor@yahoo.com
>>>> Date: Thursday, July 3, 2008, 6:42 PM
>>>> simple. just use a filter :P, host 192.168.0.2
>>>>
>>>> On Thu, Jul 3, 2008 at 1:54 PM, Mr nandkishor
>> jade
>>>> <jadenandkishor@yahoo.com>
>>>> wrote:
>>>>
>>>>> Hi,
>>>>>          I have installe dthe iftop. If user
>> A
>>>> (192.168.0.2) using the
>>>>> youtube.com & looking some videows then,
>> How I see
>>>> in iftop command how
>>>>> much bandwidth is utilised by user A for
>> using the
>>>> youtube.com.
>>>>>          And also how I redirect this output
>> to othr
>>>> fiel for looking the
>>>>> later.
>>>>>
>>>>> Regards,
>>>>> Nandkishor
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>> _______________________________________________
>>>>> iftop-users mailing list
>>>>> iftop-users@lists.beasts.org
>>>>>
>> http://lists.beasts.org/mailman/listinfo/iftop-users
>>>>>
>>>
>>>
>>>
>>>
>
>
>
>
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