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  #1 (permalink)  
Old June 15th, 2007, 05:33 PM
izagury izagury is offline
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Default using mac address as registering parameter in asterisk

Hello,
has anyone used mac address as a parameter to validate registration in a sip user in asterisk ?
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Old June 15th, 2007, 08:41 PM
n8twj n8twj is offline
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Default Re: using mac address as registering parameter in asterisk

I believe you do not have access to the MAC address at the SIP [application] layer.

Unlesss....are you talking about TFTP?




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Old July 7th, 2007, 12:01 AM
sachu_99 sachu_99 is offline
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Default Re: using mac address as registering parameter in asterisk

If the intent is to authenticate SIP REGISTER message from phone, then Digest authentication is a better choice. Digest authentication can be enabled by setting secret in sip.conf.

By the way, phone's MAC address will be available at Asterisk if both are directly connected on the same broadcast subnet.
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Old September 22nd, 2007, 03:07 AM
jan1972 jan1972 is offline
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Default Re: using mac address as registering parameter in asterisk

Not sure if that is a good idea. In IPv6 there was a long discussion about exposing your MAC address as a "routable" address. There are just too many security issues associated with that, and it would be a bad idea to repeat the mistake in SIP.

Interestingly, some Cisco phone versions register with a UUID that contains a lot of 0 and the MAC address of the phone. Maybe that is a security problem...
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