I can easily mirror all sorts of video from my Macbookpro to my TV screen using Screen Mirroring over Wi-Fi. But as soon as I try to mirror a video stream from Netflix (or comcast), the video goes black. (The audio and the subtitles are okay, but the video goes black.) The same thing happens with some COMCAST broadcasts, but not all. Is this a technical problem or are Netflix & Comcast deliberately blocking my sharing thru Apple TV? Same thing happens if I try using my ROKU.
The Customer Security Assurance organization has been established to ensure a safe and secure online experience for Comcast customers. This team is a dedicated group of security professionals who respond to issues pertaining to phishing, spam, infected computers (commonly referred to as bots), online fraud and other security issues.
If you believe you have encountered photographs, videos, or other content online that contains child pornography, please report the issue to the National Center for Missing & Exploited Children at report.cybertip.org.
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While Customer Security Assurance may be able to assist, you will be required to contact your local law enforcement agency if you are interested in pursuing legal action, including the identification of a Comcast customer.
Email administrators can submit the blocked IP address to the Security Assurance department to determine if the IP address is eligible for removal by completing the Blocked Provider Request Form. Requests submitted through this form are reviewed on a 24x7 basis.
To help protect your computer, please visit our Xfinity Connect help page for instructions on how to securely configure your email client program. In accordance with industry recommendations, Comcast recommends the sending of email on port 587 with authentication or port 465 with authentication over SSL as secure alternates to port 25, which is the default for many older email clients. If you are configured to use a server other than smtp.comcast.net, please contact your mail provider for alternate secure port settings.
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