Iran's resistance keeps up cat-and-mouse web game

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With their paths through the Internet increasingly blocked by government filters, Nooshin and her fellow Iranian opposition-supporters say their information on planned protests now comes in emails.

They say they don't know who sends them.

Internet messages have been circulating about possible rallies on Feb. 11, when Iran marks the 31st anniversary of the Islamic revolution. But the climate in the Islamic Republic is much harder than before last year's post-election protests.

Last June, social media sites were hailed in the West as promising opposition supporters an anonymous rallying ground -- especially when they were accessed via proxy servers that could mask participants' actions and whereabouts.

For determined Iranians now, they are a high-risk tactic in a strategic game with the authorities, amid reports of mounting Internet disruption. Almost 32% of Iranians use the Internet and nearly 59% have a cellphone subscription, according to 2008 estimates from the International Telecommunications Union.

Since the disputed presidential poll that plunged Iran into its deepest internal turmoil since the 1979 Islamic revolution, the authorities have slowed Internet speeds and shut down opposition websites.

They also boast of an ability to track online action even from behind the proxies.

"This one is also blocked," sighed Nooshin, a student, as she surfed the web in a cafe in downtown Tehran. "This is more Filternet than Internet."

Speaking in a low voice and wearing a blue Islamic headscarf, the 22-year-old declined to use her real name due to the sensitivity of opposition activism in Iran.

MOMENTUM OF FEAR
The presidential vote was followed by huge protests led by opposition supporters who say the poll was rigged to secure hardline President Mahmoud Ahmadinejad's re-election. The authorities deny that charge.

When their newspapers were shut down after the vote, defeated presidential candidates Mirhossein Mousavi and Mehdi Karoubi launched their own websites. The authorities later blocked them, forcing the opposition to set up new ones.

Much of this action and protest was publicised and tracked on the Internet, especially through micro-blogging site Twitter.

However, concerns are now mounting in Iran that the authorities may be able to track down people who use proxies.

"People are afraid of being identified and are not willing to use them any longer," said Hamid, a shopkeeper in Markaz-e Computre, a popular computer shopping centre in north Tehran, speaking on condition of anonymity.

Which is not to say that opposition efforts to plan and publicise their actions have been thwarted.

Afshin, a web developer who supports the opposition, said the authorities would not succeed: "Whatever the government blocks in the web, the people find another way," he said.

"It is a cat-and-mouse game which the government cannot win."