Re: [Bluez-users] rfcomm question 1

[Marcel Holtmann <marcel@holtmann.org>]

Hi Michael,

>     Here is the content of /etc/bluetooth/hcid.conf
> #
> # HCI daemon configuration file.
> #
> # $Id: hcid.conf,v 1.7 2004/12/13 14:16:03 holtmann
> Exp $
> #
>  
> # HCId options
> options {
>         # Automatically initialize new devices
>         autoinit yes;
>  
>         # Security Manager mode
>         #   none - Security manager disabled
>         #   auto - Use local PIN for incoming
> connections
>         #   user - Always ask user for a PIN
>         #
>         security auto;
>  
>         # Pairing mode
>         #   none  - Pairing disabled
>         #   multi - Allow pairing with already paired
> devices
>         #   once  - Pair once and deny successive
> attempts
>         pairing multi;
>  
>         # PIN helper
>         pin_helper /usr/bin/bluepin;
>  
>         # D-Bus PIN helper
>         #dbus_pin_helper;
> }
>  
> # Default settings for HCI devices
> device {
>         # Local device name
>         #   %d - device id
>         #   %h - host name
>         #name "BlueZ (%d)";
>         name "cm218-253-8-120.hkcable.com.hk:%d"
>         # Local device class
>         class 0x3e0100;
>  
>         # Default packet type
>         #pkt_type DH1,DM1,HV1;
>  
>         # Inquiry and Page scan
>         iscan enable; pscan enable;
>  
>         # Default link mode
>         #   none   - no specific policy
>         #   accept - always accept incoming
> connections
>         #   master - become master on incoming
> connections,
>         #            deny role switch on outgoing
> connections
>         lm accept;
>  
>         # Default link policy
>         #   none    - no specific policy
>         #   rswitch - allow role switch
>         #   hold    - allow hold mode
>         #   sniff   - allow sniff mode
>         #   park    - allow park mode
>         lp rswitch,hold,sniff,park;
>  
>         # Authentication and Encryption (Security Mode
> 3)
>         #auth enable;
>         #encrypt enable;
> }
> How can I modify the Security Mode?

this setting is fine. It is in security mode 1/2, but your hcidump was a
little bit strange, because it looked like security mode 3 and normally
mobile phones are not in that mode.

> Also, how can I change the PIN of my Linux PC? 

For incoming connection the PIN is in /etc/bluetooth/pin and you need to
restart hcid after you changed it.

Regards

Marcel




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