Web site owners in China must submit their photos to register sites with government in new trial rules, China's new move in Internet crack down paying attention on porn.

The rules, given by China's Ministry of Industry and Information Technology, are division of ongoing attempt by ministry to make records for all Web sites in country. They come among broad ranging promotion against online porn in which China also close many Web sites and hanging registration of new Internet domain names by singles. The promotion even had outcome outside of China, where companies that sell domain names have been blocked from giving domains that end with .cn country code.

New rules on Feb. 8 but only posted on Web sites of definite local telecom regulators beginning Monday, need Internet service providers that help people register Web site with authorities to meet contender in person and gather their photo. Applicants should submit other information and description of site's content, containing anything that requires "advance or special approval."

All Web sites are affected as China's IT ministry said sites without government records have their domain name resolution stopped by end of September, basically making them unreachable. China's state owned network operators have closed over 130,000 sites without records in current weeks, according to authorized Xinhua news agency.

New rules, which call for face-to-face meetings to be in place by late March, order penalty for service providers that holdup implementation or submit false materials from applicants. It was ambiguous if other channels from them Web site owner get government record without personal data. Calls to IT ministry went unanswered Tuesday. Nobody at China's domain name manager, China Internet Network Information Center, was available to comment.

China's promotion to stamp out online porn could change other online things too. Responsive political content like negative discussion of high-ranking officials has occasionally been hit by China's determines said to be aimed at "harmful information" like porn and violence.

Although stricter regulation of domain name registration is intended at handling porn, it also decrease amount of nasty movement on .cn Web sites, which has previously been high.

China utilizes many means to handle what people in country see on Internet. Web sites like Facebook and YouTube are blocked outright, and other sites are anticipated to censor themselves. Companies that present online blogging services can be penalized if they fail to remove sensitive content posted by users.

Authorities are researching "real-name system" for Internet, as said by Li Yizhong, head of China's IT ministry. The term was clear reference to long plans to need Internet users to register their real identities earlier than using public online services like message boards, though Li said system was researched for mobile phones.

"Currently, online information security faces severe challenges," Li said, in comments posted to ministry's Web site. "Guaranteeing security is our first responsibility." Li's comments were afterward deleted from site without clarification.