Iran put Firewall to Censor and Monitor the Internet Media

Source: Mashable 
When it comes to online censorship and monitoring online activities, the first country that usually comes to mind is China and its Great Firewall. This, however, may soon change, as it seems that Iran has built one of the most advanced systems for monitoring all online traffic, with the help of technology built by Nokia and Siemens.

The Great Firewall of Iran, as it will undoubtedly be dubbed, involves deep packet inspection, a technique that examines both the header and the data part of internet data packets and can be used for eavesdropping, censorship and data mining.

According to the Wall Street Journal, Iran’s online monitoring and censorship system digs through data at one big choke point, which is made easy by the fact that the government owns a telecom which holds a monopoly over the country’s online communication. This is different from China’s Great Firewall, which is far more decentralized, but it makes it even more advanced than the Chinese version, since it’s easier to monitor traffic at one point than having to synchronize such efforts at many locations. This is enhanced by the fact that China has 300 million Internet users, compared to Iran’s 23 million Internet users......

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