The ethics that we have to follow when we use the internet :
Internet ethics means acceptable behaviour for using internet. We should be honest, respect the rights and property of others on the internet.
In every society we live, we have to follow the rule of that place. The Internet is growing, growing in the number of users and growing in public perception. The Internet is the new American frontier due to the new technologies is radically transforming almost every aspect of how we communicate and with whom, as well as just about any dimension of our lives. Most Internet users are convinced of its general utility and positive benefits. However behind it, the Internet, as well as its technological offspring’s the World Wide Web has been compared to the Wild West, because no one owns the network and there is no law and regulations. In consequence of the growth of the Internet, there have been increasing calls for its regulation from many sides.
Also , Computer ethics can be broken down into many topics including piracy, hacking, viruses, spam, phishing, and responsibility of use of software, cyber porn, and invasion of privacy and the use of the computer in the work place.
Ethical rules of Internet 

- Using the Internet for educational, informational, and recreational purposes only, not for unauthorized, illegal or unethical purposes.
- Not attempting to modify or gain access to files, passwords, or data belonging to others; not seeking unauthorized access to any computer system; not damaging or altering software components of any network or database.
- Not sending, receiving or displaying text or graphics which may reasonably be construed as obscene.
Always respect copyright laws and policies.
Respect the privacy of others, just as you expect the same from others.
Do not use other user's computer resources without their permission
Do not use computers to harm other users