IPv6 is the newest version of the Internet Protocol. It is designed to supersede IPv4 as it offers many more addresses.

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657 views

Is there a way to enable/disable IPv6 without restarting Chrome?

chrome://net-internals/dns#dns has a button which allows us to enable IPv6 for Host resolver: This is how it looks like after clicking Enable IPv6: How do I revert to the previous state without ...
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73 views

Why does Google Chrome listen on port 8000?

Occasionally when starting up a development server (again), it will die with the message that the port 8000 is already in use. Running $ lsof -n -i4TCP:8000 | grep LISTEN then reveals Google ...
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79 views

What might be causing specific IPv6 HTTPS servers to send an excessive number of RST packets?

Client browsers on my IPv6-enabled home network hang and time out when attempting to load https:// URLs from specific IPv6 sites, such as ones operated by CloudFlare. In those situations, the live log ...
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900 views

How to make FTP Server in Mavericks listen on IPv6 interfaces?

Althought native IPv6 connectivity is not yet possible with my ISP, I can access IPv6 websites via 6to4 tunnel. The Server App in Mac OS X Mavericks comes with FTP features. However it seems to accept ...
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595 views

Window Server 2012 throttling incoming IPv6 network file sharing operations

Short version IPv4 download from server: fast IPv4 upload to server: fast IPv6 download from server: fast IPv6 upload to server: slow Full version I am copying files from a GBe desktop to a GBe ...
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145 views

Forward IPsec tunnel from IPv4 endpoint to IPv6 endpoint

I have a new ISP and only have a Dual Stack - lite connection now. That means I can't access my router via IPv4 anymore, since the external IPv4 address is private. I have native IPv6 connectivity. ...
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508 views

Can't ping Linux IPv6 bridge from host

I'm using a Linux box with two network interfaces as bridge (br0) and one system (X) behind the bridge with its own IPv6 address configured. Its other end is connected to a router. The bridge ...
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1k views

How to setup pfSense 2.0 for TunnelBroker.net?

What is the procedure to create an IPv6 tunnel in pfSense 2.0? pfSense 2.0 (RC3) supports creation of a GIF tunnels: The help is pretty generic, and pretty unhelpful: In pfSense 2.0, GIF ...
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539 views

Safari proxy bypass for IPv6

I'm a first-time n00b on Mac (but have been doing computers since before PC's). This Mac has 2 VLANs, vlan0 in IPv4, vlan1 in IPv6. Safari can surf via IPv4 squid proxy OK. Safari can surf via IPv6 ...
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460 views

disable IPV6 on specific interface with redhat on vmware

I tried to disable IPv6 on specific interface using IPV6INIT=no on the interface script. its working great on all server accept ones that run on Vmware. any idea? im using redhat 5.2, on vmware ESX
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65 views

Only Google, Facebook, Wikipedia and select other sites loading

I have a new Speedport 724v Type B router which reports that it is successfully connected to the internet. The problem is: only Google, Facebook, Wikipedia, and a select few other websites load. Most ...
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33 views

Unable to connect to IPv6 from Windows 8.1 via OpenWRT router

I'm new to Ipv6 and trying to learn it. So, I decided to use 6to4 tunneling from Hurricane Electric in my OpenWRT router since my ISP does not provide IPv6. It work perfectly in my router. But when I ...
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21 views

Access remotely two computers via IPv6

I have a little problem on my house. Recently, I installed Teredo on two computers using sudo apt-get install miredo. Now I can access my two computer via IPv6 using Sockets in C. My goal is: I am a ...
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846 views

How do i make Chrome use an IPv6 address from my hosts file?

I have a Windows 7 machine that's running Ubuntu in a VM. The VM has an interface configured as an IPv6-only, host-only network. The network is statically set up, and all that seems to be working. ...
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48 views

How is IPv6 stateless autoconfiguration supposed to be used?

I've been using IPv6 for many years now, but it wasn't until I switched ISP recently (and with that, from 6to4 to 6rd) that I found out that stateless autoconfiguration only works on /64 subnets. I ...
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116 views

Windows 7 / PuTTY drop IPv6 TCP connections on brief outages

This is an IPv6-version of the following question: Why Windows 7 / PuTTY drop TCP connections even on very brief outages? After moving from IPv4 to IPv6, I've noticed that my IPv6 connections would ...
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143 views

Login to Hamachi using IPv6 times out

My cable modem uses IPv6 and so does my LAN. I want to connect my laptop to the hamachi service. However, the laptop tries to connect via IPv4 and this attempt fails. The network configuration of my ...
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146 views

DMZ Linux host in IPv6 network with changing prefix

I have the following scenario: My home network is connected to the internet via IPv6, the router advertises the network prefix in the network so devices are auto-configured. The network prefix ...
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162 views

How to access internet from HYPER-V guest machine which uses IPv6 Only?

I have Windows Server 2012 installed in my laptop with Hyper-V activated. I have a wireless network interface with which I can connect to the Internet from the physical machine as well has the ...
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383 views

How to check if protocol 41 (6to4) is filtered by ISP without changing the network configuration?

Obvious way (just setting up 6to4 tunnel and pinging) fails because ip command seems to be read-only on my VPS: can't change any networking-related settings. So I try using raw sockets: ...
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123 views

How to redirect local connection to my things in IPv6 on linux?

With IPv4 I can make some program connect to my service instead of where it wants using REDIRECT and DNAT targets in OUTPUT chain in iptables (sometimes combined with -m owner) In IPv6 hovewer I ...
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419 views

How do I get Tomato to use IPv6

My ISP provides native IPv6 and it works great when I connect directly with my macbook to the ethernet port. I get a ipv6 assigned and all IPv6-only sites works great. But when connecting through my ...
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2k views

How can I get windows to release an IPv6 address

I have a windows system with an IPv4 address and an IPv6 address and I'm trying to figure out how to release my IPv6 address. I've tried ipconfig /release6 and I get this error An error occurred ...
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715 views

How to install IPv6 on Windows 2003

How do you install IPv6 on Windows 2003 ... and get it working ? I'm trying to add IPv6 to one of my development machines which is Windows 2003. I've followed the knowledge base article on MSDN, and ...
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749 views

IPv6 addresses in dnsmasq

As I need to use dnsmasq to route all requests on *.local to my local machine (and use there an IPv6 addresses), i set up the dnsmasq like this: /etc/dnsmasq.d/my-local.conf address=/local/::1 ...
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982 views

IP Helper service uses 50-60% CPU every 1 minute for 3-4 seconds on Windows 7

I have checked everything - all the processes in the process explorer. IP Helper service is causing CPU usage of over 50 % every 1 minute for 3-4 seconds then comes back to normal. In the task ...
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20 views

Why can't Chromium connect to http://[::1]:8080/ (i.e. IPv6 localhost)?

For developing a statically generated website on my laptop running Debian, I use weborf running on IPv6 localhost, port 8080: weborf -i ::1 -p 8080 -b .. I can connect to http://[::1]:8080/ without ...
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9 views

How do I configure ipv6 on a LXC configured bridge?

I am trying to figure out how I can add IPv6 to lxcbr0 that LXC creates. The IPv4 could be configured in /etc/default/lxc-net but I find nothing about IPv6. Can this be done? I am running Ubuntu 14.10 ...
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25 views

Ping Global IPv6 address on Ubuntu VM

My setup is like this: Host: Windows 8 with Virtualbox VM: Ubuntu 14.04 with 2 network adapters, eth0 a Host-only Adapter and eth1 a bridged adapter connected to my Wireless. From my host to my VM I ...
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16 views

Tunneling IPv6 through IPv4 for a specific application?

Client: Supporting only IPv4 (OS: Windows 7) VPS: Supporting IPv4 and IPv6 (OS: Debian) On my client machine I run Proxifier in conjunction with PuTTY. With PuTTY I can create an SSH connection to ...
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20 views

Globally Unique IPv6 Address on a VM running ubuntu

For testing purposes, I'd like to be able to deploy VM's running Ubuntu that have globally unique IPv6 addresses. The VM software is Virtualbox. I am able to make link local addresses (as said by ...
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82 views

Why can't I have IPv4 and IPv6 web access simultaneously?

I'm using a 6to4 tunnel from tunnelbroker.net to gain access to the Internet via IPv6. Even after getting the tunnel built and properly established, I wasn't able to get access to IPv6 web pages ...
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22 views

IPV6 address removed from interfaces while I make that interface down but IPV4 address still there

Firstly I assigned IPV4 and IPv6 addresses in an interface in Linux..then I brought the interface DOWN and then again UP that interface.. The problem is that then the IPV6 addresses are removed but ...
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23 views

Connect to IPv6 network with a VPN not supporting IPv6

I have connection to IPv6 network, as well as a VPN connection (IPv4 only). However, the two conflicts with each other: when I connect to the VPN, I cannot connect to IPv6 host, by domain name or IPv6 ...
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99 views

What do I need to do to make IPv6 devices globally accessible using Uverse 6rd?

Summary: With UVerse's 6rd implementation, do I need to buy/install/configure a compatible wireless router in the DMZ to properly handle the IPv6 traffic in both directions (incoming connections too)? ...
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26 views

windows 7 has ipv6 connectivity but not v4

My wife's windows 7 laptop had network connection problem out of the blue yesterday. It can access google sites like youtube, but nothing else. When I troubleshoot, I found that it has IPV6 ...
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65 views

IPv6 automatically gets disabled after every second reboot

I'm trying to set a static IPv6 address on Windows 7 and I connect just fine. But after 2 reboots (not one), it disappears. After much troubleshooting, I also see the DisabledComponents reg key ...
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26 views

How can I test IPv6 security with a mikrotik router?

I'm experimenting with IPv6, and I want to test security and encryption. Does anyone know if there is some way to send a secure test packet between my computer and Mikrotik router? Perhaps using ...
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30 views

Gogoc and OpenVPN - can't seem to make them work together

I have a problem with my setup and I was hoping you guys could help me figure out what I should do. I'm currently running a 6LowPAN using RaspberryPi and Arduino nodes. Since I don't have native IPv6 ...
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127 views

PPTP VPN only using IPv6 Connections?

I followed this tutorial to set up a PPTP VPN: https://www.digitalocean.com/community/tutorials/how-to-setup-your-own-vpn-with-pptp Once complete, I connected to it with my desktop and noticed I ...
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73 views

IPv6 configuration: ISP is blocking Neighbor Discovery

My ISP offers IPv6 to interested customers, but doesn't provide any support in this regard. I've been given a /64 prefix (let's call it 2345:6789:11:22::/64), a gateway address (2345:6789:11:22::1) ...
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32 views

How do i get pdnsd to cahce both ipv4 and ipv6 records and use what's available?

This is how i run pdnsd mostly: pdnsd -4 -c /etc/pdnsd.conf -d -muo Unfortunately for some websites it looks for an AAAA record vs an A record and because AAAA is not cached by pdnsd it takes time. I ...
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14 views

Revoking a dhcpv6 address lease

Is it possible to revoke a dhcpv6 address lease before it expires? For instance, if the prefix changes, is it possible to distribute new IPv6 addresses?
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37 views

Issues configuring IPv6 on Red Hat 5.8

I'm new at linux and i'm trying to configure IPv6 on a Red Hat 5.8 due a specific application I'm working on. This Linux is installed in a VMWare 8 and the IPv4 is working fine! I can ping the host ...
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93 views

I can only connect to IPv6 websites

my problem is, that I can only connect to servers and their websites supporting IPv6 (such as google.com or facebook.com). On other sites, a ping request times out. Additional information: 1. My ...
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46 views

How do I “socksify” IPv6 TCP connections?

For IPv4, one can use REDIRECT iptables target and redsocks/tcpsocks. How to do the same for IPv6? I've tried ip6tables -t mangle -A PREROUTING -d 2600:: -p tcp --dport 80 -j TPROXY --on-port 4455, ...
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76 views

how to get a new prefix delegation using wide-dhcpv6-client

I use wide-dhcpv6-client to get prefix delegation.But how can I get a new prefix at renew time to prevent from being tracked.
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129 views

NetworkManager - IPv6 same metric: prefer wired connection

Situation: I have a Linux system with a wired (enp0s20u2) and a wireless (wlp2s0) networkcard connected to the same network. The networking is managed by NetworkManager 0.9.8.9. The routing tables ...
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533 views

Default Gateway IPv6 but IP set on IPv4

I have a client who has a network setup. I have a couple of devices which work on the network using socket communication which I want integrated onto their network. There is a PC which is to be made ...
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33 views

IPv6 fails under Hyper-V

The setup I have is Ubuntu 12.04 LTS running under Windows 8.1 Pro as a guest OS via Hyper-V. Success of connectivity tests via ping6 seems to depend on the type of interface binded to External ...