Nobody seems to care much on FUP cause been blurred by lucrative promo.. so here we go:
http://www.maxis.com.my/personal/broadband/Fair_Usage.pdf1.3 If the customer needs a 1:1 service and exclusive access to their bandwidth
then the customer will need an internet leased line where there is no contention
until the World Wide Web router.
Fair enough..4.5
The customer may not use their Maxis Broadband service connection to run
programs or servers that provide network content or connectivity to any third
party not at the location where the connection is installed. Examples of
prohibited programs include, but are not limited to, mail, FTP, HTTP, game,
newsgroup, proxy, and IRC servers.
I guess you are running on internal IP yeah.. so no game server hosting here even with free public IP.5.2 Peer-To-Peer and File Sharing Software
5.2.1 Certain software/applications which is used by a small number of
customers to send and receive files containing very large amounts of
data (including without limitation traffic from peer-to-peer
software/applications (such as Bit Torrent, eDonkey, Gnutella) or file
sharing software (such as Limewire)). These activities may cause
network congestion and can negatively impact the speed at which other
customers can access the internet.
Beware..5.2.2 Maxis does not guarantee a service level and/or connectivity to users of
peer-to-peer or file sharing software/applications.
Fair enough..5.2.3 The system that is used to provide the Maxis Broadband service can
identify very high bandwidth users and Maxis seeks to manage the
customer’s usage by throttling their bandwidth to a much lower
broadband speed to ensure fairness to all customers.
There is throttling 
5.2.4 The customers are reminded that the software (as mentioned in section
5.2.1 above) allows the download of illegal content which Maxis
prohibits, which is an infringement of copyright and/or intellectual
property rights and rightful owners of such copyright and/or intellectual
property rights may take measures to prosecute. Each individual
download can be traced by the customer’s IP address back to the
customer’s account with Maxis.
I can cut finger, 90% using torrent for illegal copies of thing out there..5.2.5 Maxis reserves the right to release customer information pursuant to any
copyright (and/or intellectual property right) infringement if it is required
to do so by any law, regulatory body or court of law.
Fair enough..5.3 Excessive Usage
5.3.1 Each customer’s total usage per month shall NOT exceed the stipulated
amount of data volume transmitted (total upload and download usage).
This is to ensure that no individual hogs the bandwidth at all times.
So there is a plan.. 
6.1 In respect of the customers who are in violation of this Policy, Maxis may, at its
option and discretion, have their bandwidth managed, service suspended or
terminated (with or without notice as Maxis considers appropriate).
Bandwidth managed.. 
I know Maxis from 98'.. and they always stick to their word..when it comes to their money.. good luck!