Hi  everybody:
I  find  a small problem which  Bluez communicate to headset.
 I  have a PC(red hat linux8.0), and headset( sony ericsson HBH-65).
And I inital bluez;
[root@Bluez bluetooth}#  hcid
[root@Bluez bluetooth}#  hciconfig
hci0:  Type:USB
          BD Address:  00:AA:.................

[root@Bluez bluetooth}#  hcitool  scan
Scanning ...
               00:0A:0A:AA:AA:AA     HBH-65

[root@Bluez bluetooth}# modprobe  l2cap
[root@Bluez bluetooth}#  modprobe  rfcomm
[root@Bluez bluetooth}#  l2ping 00:0A:0A:AA:AA:AA
Can't connect. : Permission denied
[root@Bluez bluetooth}# sdptool browse 00:0A:0A:AA:AA:AA
Failed to connect to SDP server on 00:0A:0A:AA:AA:AA  : Permission denied

What   is   happen?  Why  does headset deny permission? Should I enter  PIN number to tell headset ,or  others solution?

Please help me , thank you very much.