No. We don't have SMTP service for this servers. Is there any port that
may cause hacked most possbably?

Chris


"Chris" ¼¶¼g©ó¶l¥ó·s»D:Oq2w0%23yrGHA.1592@TK2MSFTNGP02.phx .gbl...
> We have installed few servers in data center. These servers are DNS
> servers, mail servers and web servers. Everything was fine for few years.
> But I received a warning from data center today and said that the
> overseas
> bandwidth has reached 6Mps in these few months which is exceeding of our
> entitled bandwidth level. They are asking for a lot of money for the
> overuse bandwidth. It is crazy. The additional cost is 5 times more than
> the normal subscription fee.
>
> I am wondering if our servers are being hacked or there may be some
> abnormality at our servers. I would like to know how can we checked the
> following data:
>
> 1) The income and outgoing bandwidth of each server
> 2) The bandwidth usage for overseas
> 3) Which IP uses the most bandwidth
> 4) Which application in the server uses the most bandwidth
> 5) What Port uses the most bandwidth
>
> Is there any software or method that can provide me more data to find out
> what the problem is or how to solve it?
>
> Please kindly advise us how to figure out the problem and solve this
> problem. Our data center has given us the deadline to solve it in 5 days.
>
> Please Please Please.
>
> Chris
>
>
>
>