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Firewall Security

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Anointed1
Newbie
Posts: 4
Registered: ‎16-05-2018

Firewall Security

Hi,

I am looking to host at VOIP/PBX behind my PN fibre router. I have read reports that when all ports are blocked the SIP port 5060 is still left open. Could you confirm/deny if this is still the case?

Also, are there any known vulnerabilities with this router's firmware/firewall?

Thank you!