Description:
Run this program on your pc and configure your network settings in PS3 to use a proxy. Use your computer's IP as the proxy. No need to update to 3.56 Works great (for the time being)!
Logan5's proxy server for bypassing mandatory PS3 firmware updates leaving PSN access fully intact.
UPDATE: It does work! make sure you have any firewall software or portblock stuff turned off! (it runs well in a virtual machine with bridged networking.. then you can leave firewall software on host turned on without having to configure exceptions)