Diveanx
I would give Brighthouse a ring and ask if there shaping P2P traffic, ASK have they any additional firewall on there connection ?
Some ISPs were OK but have recently started shaping, Please post what they
say, It will help others.
You said, you set port!!,Best to use No's 50000 to 65000 Both L/W ports should read the same number "Listen on Port "& "Manual Port Forward" must be the same & enabled, not upnp.

Have you updated java to JRE 6 ? you didnt say, & it will be better for 64bit
Peace.

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mickjapa108