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IP security (filtering)
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Com1 Offline
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Joined: Jul 2013
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IP security (filtering)

We have several phones which are at remote locations using the internet to connect to our customers PBX. Unfortunately we are not able to configure (SSL) VPN between the remotes and the hub site.

On the hub site (PBX) we configured IP filtering to make sure we only allow SIP sessions between the remotes and the hub.

On the remote sites we are only able to configure filtering if we put a firewall between the internet and the phone. We agree that this is the preferred solution, but there must be a simpler way of doing this. For now we only have a NAT configuration.

We have several remote sites which are under "attack" quite often and we want to filter any traffic which is not coming from our PBX.

Is it possible to configure an IP filter on the Yealink phones which allows for local management (private subnets) and one or more public IP addresses?

To our opinion this would be a very simple but effective way of securing the remote phones.

Best regards,

07-13-2013 05:17 AM
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IP security (filtering) - Com1 - 07-13-2013 05:17 AM
RE: IP security (filtering) - Com1 - 07-16-2013, 04:11 AM

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