Pings to IPv4 numerical addresses still work. Web browsing or services requiring DNS don't work.
IPV6 OPENDNS UPDATER WINDOWS
Windows and iOS property screens show IPv6 parameters, such as Local Link Address.
IPV6 OPENDNS UPDATER WINDOWS 7
I disabled IPv6 settings on pfSense, but the LAN devices (mostly Windows 7 computers and iOS) still think they should talking IPv6, even after rebooting and resetting all network switches and gear. So I'll try it again, this time without any techno-jargon: OK I understand my fallacies of arguments. Circular argument! I need to understand IPv6 to retrograde to IPv4, so I can take my time to learn IPv6? My problem is retrograding pfSense to IPv4 requires more IPv6 knowledge than I have learned.
IPV6 OPENDNS UPDATER HOW TO
I'd much rather develop understanding of IPv6 before implementing it, so I know how to control my network. I intend to look at those online courses (and T-shirt!) but want to get my pfSense working with IPv4 before attacking IPv6. Johnpoz thank you for identifying my poor knowledge of IPv6. iOS does not have a profile or setting to disable IPv6. Additionally, I have many iOS (iPhone, iPod, iPad) devices on my system. If you don't want a client using ipv6, its best to just disable it at the client sideĬlients include laptops and tablets that are used elsewhere and I don't want to make custom client-side settings just for my network. What is pfSense doing? How can I turn it off? This means pfSense is advertising its IPv6 capabilities to the LAN clients, so the LAN clients believe IPv6 is running. I configured a network using an older ASUS router (no IPv6 capabilities) and the LAN devices do not show any IPv6 connectivity attributes. So they are “stuck” in IPv6 mode when IPv6 has been disabled on the pfSense. Since the devices think IPv6 exists, they aggressively attempt IPv6 – apparently, not able to regress to IPv4 when IPv6 fails. Servers/DHCPv6 Server & RA - "Router Mode" - Disabledĭespite making these changes, LAN devices are assigning Link-Local IPv6 Addresses.Servers/DHCPv6 Server & RA - "Enable DHCPv6 server on interface LAN" - Unchecked.Interfaces/WAN - "IPv6 Configuration Type" - None.
Interfaces/LAN - "IPv6 Configuration Type" - None.System/Advanced/Network - "All IPv6 traffic will be blocked by the firewall unless this box is checked" - Unchecked.What IPv6 feature needs to be adjusted on the pfSense so all LAN connected devices default to IPv4 DNS queries? Apparently, PCs (Windows 7) and iOS devices desperately want to try IPv6 even when the IPv6 DHCP is disabled, they are not receiving IPv6 addresses, and the LAN port on the pfSense has IPv6 disabled. LAN devices could ping external IPv4 addresses, but no DNS-based addressing worked. Next was blocking IPv6 traffic (System/Advanced), disabling the IPv6 DHCP server, removing the LAN IPv6 address (on the LAN interface menu), but all of these changes resulted in dead devices.
LAN clients were still prioritizing IPv6 DNS queries over IPv4. I tired "Prefer to use IPv4 even if IPv6 is available" (System/Advanced) but this did not change any behavior. Other vendors (SafeDNS, Norton, Yandex) do not offer configurable IPv6 services, either. Note: OpenDNS offers an early version of IPv6 DNS service, but it's not fully configurable with whitelists and blacklists like their IPv4 service. I don't want any of my LAN clients able to use IPv6 DNS services. I have "Allow DNS server list to be overridden by DHCP/PPP on WAN" unchecked, but apparently, my ISP is passing an IPv6 DNS server that pfSense is passing downstream. I tracked this down to web browsers are looking up sites using IPv6 DNS instead of the IPv4 OpenDNS servers specified in system/general setup. I have noticed many web sites sneaking through pfSense that were previously denied using Sophos. pfSense was setup to use OpenDNS (system/general setup).
I recently changed from Sophos to pfSense. OpenDNS can be configured to block groups of web sites (drugs, pornography, etc.). I have used OpenDNS for years for parental controls.
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