Internet service providers (ISPs) will be upgrading to IPv6, and most personal computer operating systems support IPv6. However, many routers and servers currently in use don’t support it, making a connection between a device with an IPv6 address to a router or server that only supports IPv4 difficult.
Supporting IPv6-only Networks. Starting June 1, 2016, all apps submitted to the App Store must support IPv6-only networking. A majority of apps will not require any changes as IPv6 is already supported by NSURLSession and CFNetwork APIs. Internet Protocol Version 6: IPv6 for Consumers | Federal Internet service providers (ISPs) will be upgrading to IPv6, and most personal computer operating systems support IPv6. However, many routers and servers currently in use don’t support it, making a connection between a device with an IPv6 address to a router or server that only supports IPv4 difficult. RFC 6586 - Experiences from an IPv6-Only Network In Mac OS X (Snow Leopard), the network manager needed to be explicitly told not to expect IPv4. A more annoying issue was that in order to switch between an IPv6-only and IPv4-only network, these settings had to be manually changed, making it undesirable for Mac OS X users to employ IPv6-only networks. How to disable IPv6 on macOS? | NordVPN Customer Support
Jan 23, 2012 · IPv6 takes this to a new other level. From Wikipedia: IPv6 addresses have two logical parts:a 64-bit network prefix, and a 64-bit host address part. (The host address is often automatically generated from the interface MAC address.[37]) An IPv6 address is represented by 8 groups of 16-bit hexadecimal values separated by colons (:) shown as follows:
IPv6 How to Configure Mac OS IPv6-X to Prevent -related Attacks Hardening Guide for OS-X Version: 1.0 Date: 29/01/2015 Classification: Public Author(s): Antonios Atlasis . ERNW Enno Rey Netzwerke GmbH Tel. + 49 – 6221 – 48 03 90 Page 2 Carl-Bosch-Str. 4 Fax + 49 – 6221 – 41 90 08 Adding OS X ipv6 clients to LAN with Cisco 87x router Dec 18, 2009 IPv6 NAT from Fusion VM |VMware Communities
OS IPv6 Behavior in Conflicting Environments
Tutorial: Configuring IPv6 for Mac OS X | Internet Society Jun 30, 2014 How to Disable IPv6 in Mac OS X Apr 18, 2014