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Home » Kerio User Forums » Kerio Operator » VMware appliance + external SIP + internal firewall = not happy (External SIP)
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silars

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I've resolved this issue, but was looking to confirm the functionality. My SIP trunk would not come up with the internal firewall configured for SIP -> "Local clients". I had to disable SIP for the internal firewall.

Is this expected behavior? It wasn't entirely intuitive since I am the one initiating the communication, and not the other way around.
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Jakub Viták (Kerio)

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Hello Silars.

If you want to allow SIP phones from Internet to reach your Operator,
you should follow settings described here - forums.kerio.com/mv/msg/19978/81050/#msg_81050.

But if you only want to register to your SIP provider on the Internet,
checking option "Required to register with Registrar" of external interface should do the job.

Regards, Jakub V.
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silars

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I definitely don't want to allow SIP phones from the Internet. I only want to register with my SIP provider. "Required to register" is already checked.

I can simply bring my SIP interface up/down by unselecting/selecting SIP under the Firewall configuration. From your description, this should not be happening.

Is there something else that I am missing?

[Updated on: Tue, 13 March 2012 20:27]

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Vladimir Toncar (Kerio)

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Hi,

Operator's internal firewall simply blocks all traffic from the addresses that are not in the 'allowed' list. So you should create an address group that will include your local SIP phones and your SIP carrier. After that, use that group in the internal firewall configuration for SIP.

Vladimir
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