[asterisk-users] How to stop intruder from registering sip?

[dotnetdub]

>
>
> The trouble with whitelisting, or using iptables to block 5060 (in fact
> * is behind a router - 5060 is port forwarded) is that traveling
> employees wouldn't be able to register with inbound extensions. We set
> up our travelers so they can connect from wherever, and be treated as if
> they were at a local extension. That is, the employee can dial 151, or
> be dialed at his extension. He can not however dial third parties, or at
> least isn't supposed to.
>
> sean
>
>
>
If you leave your asterisk box open to the world with passwords like 0000
you deserve to be hacked..

Are your travelling people using softphones? If they are VPN would be a good
idea..




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