1) Install firefox 17.01 2012-10-29 on Linux
1@@@@Download
  Download lastest rpm package from the internet.
[root@station78 Linux_app]# rpm -ivh Firefox-latest-x86_64.rpm

2@@@@make sure install flash-plugin which download from office website
[root@station78 ~]# rpm -qa | grep flash
flash-plugin-11.2.202.235-release.x86_64
flash-plugin-11.2.202.258-release.x86_64
flash-plugin-11.2.202.238-0.2.el6.rf.x86_64

[root@station78 ~]# rpm -qil flash-plugin-11.2.202.235-release.x86_64 | grep libflashplayer
/usr/lib64/flash-plugin/libflashplayer.so

[root@station78 ~]# cp  /usr/lib64/flash-plugin/libflashplayer.so  /opt/firefox-china-edition/plugins/

3@@@@restart
May you had batter restart your computer.