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VIETNAM <br />22 <br />On the day of his scheduled release in October 2010 from a 30 -month sentence for <br />alleged tax evasion, authorities rearrested Nguyen Van Hai (also known as Dieu <br />Cay) for antistate propagandizing, allegedly based on three- year -old blog postings. <br />There were unconfirmed reports during the year that he lost his arm while in <br />custody. <br />In January the People's Court of Lang Son Province convicted Vi Duc Hoi, a <br />former CPV official from the province, of antistate propagandizing after his online <br />postings in 2007 -09 of prodemocracy articles criticized the CPV. The court <br />sentenced him to eight years in prison followed by five years' house arrest <br />(reduced on appeal in April to five years' imprisonment and three years' house <br />arrest). Hoi, a CPV member beginning in 1980, had been removed from the CPV <br />in 2007 after he authored online articles disparaging corruption in the party. <br />Web sites critical of the government that were hosted overseas were continually <br />targeted throughout the year by distributed denial -of- service attacks. A majority of <br />the targeted Web sites were news - aggregator sites that regularly republished <br />postings by high - profile dissidents critical of the government. Hackers rendered <br />several other Web sites inoperable. In June and July the popular news portal <br />VietnamNet was hacked multiple times and rendered inaccessible. An <br />investigation into these attacks continued at year's end. In August a botnet <br />attacked a Web site belonging to a foreign -based prodemocracy group using an <br />estimated 77,000 Internet Protocol addresses located in Vietnam, which suggested <br />government involvement, according to Access Contested: Security, Identity, and <br />Resistance in Asian Cyberspace. <br />Political dissidents and bloggers routinely reported having their home Internet <br />connections disconnected on orders from the security services. <br />The government used firewalls to block some Web sites that it deemed politically <br />or culturally inappropriate, including sites operated by overseas Vietnamese <br />political groups. The government appeared to have lifted most of its restrictions on <br />access to the Voice of America Web site, although it continued to block Radio Free <br />Asia most of the time. BBC online in Vietnamese and English was blocked at <br />times during the year. <br />The Ministry of Information and Communication requires owners of domestic <br />Web sites, including those operated by foreign entities, to register their sites with <br />the government and submit their planned content and scope to the government for <br />approval. Enforcement remained selective. <br />