Illegal activity of any sort is not allowed. this includes but is not limited to denial of service attacks on this (without permission) or other systems, and providing copyrighted content without proper authorization.
Sending of spam - bulk commercial or unsolicited messages, is not allowed.
Avoid activities, such as port scanning, that while not always illegal, may bring unwanted attention.
Do not engage in any activities that break my ISP Terms of Service (this is mostly in line with the law and covered by the first statement. if in doubt, read it).
If you notice a breach of these terms you are required to notify me or one of the admins of the system or service in question (if applicable), who must deal with the situation themselves or notify me