A webcam is a video camera that feeds or streams its image in real time to or through a computer to computer network. When "captured" by the computer, the video stream may be saved, viewed or sent on to other networks via systems such as the internet, and email as an attachment. When sent to a remote location, the video stream may be saved, viewed or on sent there. Unlike an IP camera (which connects using Ethernet or Wi-Fi), a webcam is generally connected by a USB cable, or similar cable, or built into computer hardware, such as laptops.

The term 'webcam' (a clipped compound) may also be used in its original sense of a video camera connected to the Web continuously for an indefinite time, rather than for a particular session, generally supplying a view for anyone who visits its web page over the Internet. Some of them, for example, those used as online traffic cameras, are expensive, rugged professional video cameras.

The project

to be installed within reach of a public webcam is thinking about how to spread censorship free DNS server through out the internet without compromising the receiver, in front of the intelligence service of his government, as when you where sending an email.

We are using all kinds of public webcams to install neon letters, stickers, painted boards...,

showing censorship free DNS servers to use when your government decided to block your access to a free internet.

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Internet Censorship

Internet censorship is the control or suppression of what can be accessed, published, or viewed on the Internet. It may be carried out by governments or by private organizations at the behest of government, regulators, or on their own initiative. Individuals and organizations may engage in self-censorship for moral, religious, or business reasons, to conform to societal norms, due to intimidation, or out of fear of legal or other consequences.

The extent of Internet censorship varies on a country-to-country basis. While most democratic countries have moderate Internet censorship, other countries go as far as to limit the access of information such as news and suppress discussion among citizens. Internet censorship also occurs in response to or in anticipation of events such as elections, protests, and riots. An example is the increased censorship due to the events of the Arab Spring. Other areas of censorship includes copyrights, defamation, harassment, and obscene material.

Domains and DNS

If you have identified, suspect or were told that the main censorship technique on your network is based on DNS filtering and spoofing, you should consider these techniques.

Using alternative Domain Servers or Names

Simply speaking, a DNS server translates a human-friendly Internet address such as into the IP address, such as, that identifies the specific server or servers on the Internet associated with that name. This service is most often accessed through DNS servers maintained by your Internet Service Provider (ISP). Simple DNS blocking is implemented by giving an incorrect or invalid response to a DNS request, in order to prevent users from locating the servers they're looking for. This method is very easy to implement on the censor side, so it is widely used. Keep in mind that often there are several censorship methods are combined, so DNS blocking may not be the only problem.

You can potentially bypass this type of blocking in two ways: by changing your computer's DNS settings to use alternative DNS servers, or by editing your hosts file.

Alternative DNS Servers

You can bypass the DNS servers of your local ISP, using third-party servers to let your computer find the addresses of domains that may be blocked by the ISP's DNS servers. There are a number of free, internationally available DNS services that you can try.


© Arno Auer, 2016 arnoauer(at)gmx(punkt)de