on my search on how to open a post in the Kindle Firewall i found this, but it dont work for me.
1. ive Jailbreaked my Kindle 4nt
2. i installed the USBnet Package
3. Configurated my Computer and Setup SSH over Wifi (Works fine)
i followed the instruction on here to change the firewall settings
KLICK ME but it dont work, the port remains closed
iam sorry, i know my english is not so well, hope to get more infos