>>>>> is it possible to limit active sessions number by IP address[?]
>> In passing, why do you want to do this?  It sounds like an odd desire,
>> and I'm having trouble imagining any use for it.
> He's running a pr0n site and wants to keep a single IP addy from cranking
> up 100 concurrent wgets and leeching his pix?

Interesting opinion, but the answer is false.

We are ISP in Lithuania. I need to limit sessions for client IP whom
monthly fee is smallest :)

-- 
Pagarbiai,
Rimantas Petrauskas,
UAB "Remo televizija"
Tinklo administratorius
Mob. tel.: 8-685-74915
E-mail: rimantas@remo.lt