Frontier Internet | Web Safety | Online Security Threats

Internet | Web Safety

How is Frontier protecting its customers from viruses and malware?

Frontier restricts and blocks known ports that in the past have allowed for the transfer of spam, viruses, and other malware. The ports are: 

25, 135, 137, 138, 139, 445, and 1025 

Port 25 restriction will take place on all dynamically assigned blocks, which would include Business Class High- Speed Internet customers when they are using dial-up access

Blocking on TCP/UDP ports 135, 137, 138, 139, 445, and 1025 has been implemented for Residential and Business Dialup customers, and Residential High-Speed Internet customers. Business Class High-Speed Internet customers will not be affected by TCP/UDP blocking unless they are using dialup access. 

No blocks will be placed on Business Class High-Speed Internet, Symmetric High-Speed Internet and FrontierNet Direct (T1 or larger) customers.

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