Sony earlier released a minor system update for the PS3. According to the official announcement by Eric Lempel, the PS3 update 2.80  will improve the playback quality of some PS3 format software. But it looks like the firmware update is not just to improve the quality of games as dashhacker have discovered. Apparently the new update blocks Open Remote Play, a homebrew program created by dashhacker that allows you to access the PS3's Remote Play feature from any laptop, desktop or mobile phone.

Here's what dashhacker have to say:

As some of you may already know, Sony has blocked Open Remote Play as of PS3 firmware v2.80, June 24th. At this time, ORP will no longer work for longer than about 30 - 60 seconds. I've only looked at the problem for a few minutes but it seems that they've "poisoned" the video stream by some means rather than changing the keys or cryptography. I'll study what they've done and patch FFmpeg within the next... week? month? Not too sure how long it'll be before I can undo Sony's greedy brain damage. I'll post any progress here as I muddle through it.

Good thing Sony didn't implement an automatic update for firmware 2.80 so you can still use Open Remote Play, for those who have updated  however, sorry about the bad news. Hopefully dashhacker can fix the issues soon.

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Related articles:

• PS3 Firmware 2.80 coming out tomorrow?
• PSP Homebrew: Open Remote Play v1.2 BETA: SIXAXIS/DS3 controller and mouse support added, more