Comcast Interfering with Online File Sharing

The Associated Press is reporting that Comcast is interfering with high speed Internet users’ attempts to share files on-line.  The Associated Press confirmed this interference with a series of nationwide tests.  As the No. 2 Internet provider in the U.S., Comcasts data discrimination program may influence other ISP’s to adopt similar technological measures. 

EFF is also reporting the results of  similar testing to confirm the AP’s results.  EFF explains that Comcast is forging TCP RST packets which cause connections to drop, a technique also used by Internet censorship systems in China.  Apparently, these packets cause software at both ends to believe, mistakenly, that the software on the other side does not want to continue communicating.  See EFF’s post for more.


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