[asterisk-users] SIP attacks

[Thomas Kenyon]

Tilghman Lesher wrote:
> 
> Yes, you can use the permit/deny labels to specify an IP mask that is eligible
> to authenticate:
> deny=0.0.0.0/0
> permit=192.168.0.0/16
> permit=172.16.0.0/12
> permit=10.0.0.0/8
> 
> By the way, after the slash, you can use either CIDR notation or a netmask.
> 
Thanks.