server or vb problem?

[Ubnormal]

Hi All,

I have a dedicated server where I have 2 vb forums hosted on it.

yesterday both forums are giving the following page to all visitors and members:

The page is currently unavailable
Due to current high demand, the page you are looking for cannot be delivered right now.

--------------------------------------------------------------------------------

Please click the Refresh button, or try again later.

HTTP Error 408 / 409 - Not acceptable / Resource conflict
Internet Explorer

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I restarted the server but still the same errors.

I really dont have much experience with managing servers, so I dont know if this is a server error or a vb error.
because if I run any other page on the server it is fine.

Help plz

[nexialys]

it is not vBulletin command to display such error, but your own server...

maybe you are having a DoS attack on your server, that may be the reason why even after a reload it does not correct...

[Ubnormal]

Thanks for ur reply nexialys,

mind my ignorance, but whats a DoS attack?

[nexialys]

Denial of Service... a hacker may attack your server with a multitude of cummulative connections, so some of your services are stuck... it can be bursts, like you tell me you have some pages that work...

but said so, it may simply be your PHP or MySQL that have a bad setting... regarding simultaneous connections