Re: [Ltib] Help tracking down bandwidth issue

[Hamilton Vera]

Hi Stuart, there are some techniques that your ISP can apply to
prevent this behavior.

If they are open to suggestions it will be my pleasure to help them.


[]'s

Hamilton Vera

On Fri, Apr 22, 2011 at 5:48 AM, Stuart Hughes <address@hidden> wrote:
> Hi everyone,
>
> I need your help.  As you may recall, there have been some issues this
> month with bandwidth use.
>
> The logs showed that on one day (18th April) a single IP address
> downloaded over 1 terabyte of data.  After a long tussle with the
> support team at the ISP, they agreed that it wasn't possible that
> someone downloaded a terabyte in 24 hours and they chopped out the
> offending entries from the access log for that day, which effectively
> reset bitshrine.orgs bandwidth counters.
>
> Anyhow, this is merely treating the symptom, not the cause.  What I
> think is happening is that someone has a misbehaving script that
> attempts to download a file, immediately gives up and then retries the
> same download in a loop forever.
>
> What I would like to to do is to think if any of you have:
>
> * Written a script that could misbehave
>
> * Have a "new" version of ltib that shows this kind of odd behaviour (I
> doubt this as the client looks like a Windows NT .NET client).
>
> * Have a theory to explain this.
>
> To help you get your head around this, a section of one of the logs is
> attached.
>
> TIA, Stuart
>
>
>
>
>
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>
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>
>



-- 
Hamilton Vera
int Administrator (char Network[],char ComputationalSystems[])
http://hvera.wordpress.com