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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IE9 on Windows 7, ipv6.google.com does not work, but in chrome it does?

I have an ipv6 connection, I get addresses, DNS is working and I can ping (with ping -6) ipv6.google.com. I can get to and use google in Chrome, but it does not work at all in IE9. It just says that ...
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1answer
404 views

Will the removal of NAT (with the use of IPv6) be bad for consumers? [duplicate]

Possible Duplicate: How will IPv6 impact everyday users? (World IPv6 Day) As I understand when we have finally made the switch to IPv6 not only will NAT be unnecessary but it is ...
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2answers
1k views

How to port-forward IPv6 in m0n0wall?

How do i port-forward IPv6 packets in m0n0wall? For example i want to forward traffic arriving on port 443 of my router to another IPv6 address: Interface: WAN Protocol: TCP External port range: ...
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3answers
454 views

Since IPv6 has larger addresses than IPv4, how will that affect performance?

IPv4 are 32 bit addresses, while IPv6 are 128 bit. It's 4 times larger, sure on a small scale maybe not a big difference, but on a world wide scale will it make a difference? Are their any messures ...
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3answers
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How do client applications know to use IPv4 or IPv6?

How do servers/computers/users/applications know to request a resource over the Internet with an IPv6 address vs. and IPv4 address?
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2answers
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IPV6 auto configuration not working in Ubuntu Natty

In Windows 7, my computer can automatically get a IPV6 global address and use IPV6 network, but in Ubuntu Natty, I can't find out how to let stateless configuration work. My network is a university ...
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4answers
211 views

Are there any home ISPs that offer external IPs for all devices on the network? (No NAT)

NAT is a a real pain, and the large address space in IPv6 doesn't need it. Are there any ISPs that offer actual home routing, giving each computer a global IP address, rather than a local one? This ...
2
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2answers
363 views

Privacy, VPN and routers

Ever since this ACTA push-up the things are starting to heat up around torrents and privacy. I am using Tribler now, but this is not secure enough for me. Not enough privacy. I've been using in the ...
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1answer
266 views

I can not see ipv4 and http, I can just see ipv6 and SSDP [closed]

I have a real huge problem, when I am connected through the wireless of my university, I can just see adresses like this : 1823731 14856.287768 fe80::74b6:2d79:4343:41e1 ff02::c SSDP ...
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1answer
749 views

dhcp6 server config problems

I'm trying to configure an IPv6 DHCP server in gentoo. So far: /etc/dhcp/dhcpd6.conf - subnet snippet: subnet6 2001:db8:21e:101::/64 { range6 2001:db8:21e:101::6 2001:db8:21e:101::100; ...
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1answer
404 views

What are the equivalent IPV6 versions of IPV4 special-use adresses?

I'm trying to make a private network with 5 computers bellow an external ADSL router with NAT, but internally I want to use IPV6. To do this I need to use private special-use IPV6 addresses, such as ...
2
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3answers
792 views

IPv6 and IPSec - why do I need an external daemon?

I read that IPSec is mandatory for IPv6 implementations. Does this mean that it should be handled by the OS and that IPSec configuration should be mandatory for IPv6 to work? If so, why is this not ...
8
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1answer
2k views

Back to My Mac registers services using loopback interface IPv6 address

I'd like to be able to use Back to My Mac over the IPv6 internet. I've already got IPv6 access (i.e. My Airport is assigned a /64 block from my ISP and sends out RAs so everyone on the network can ...
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2answers
4k views

Linux/bash: How to get interface's IPv6 address?

What command can I use to get IPv6 address of an interface in a script? Update: Output of sed from one of answers. $ ip -6 addr 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 inet6 ::1/128 scope ...
3
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1answer
518 views

How do you view ipv6 websites through browser?

When I had Apache installed and running, I could type in "127.0.0.1" or the inet address I got from ifconfig, and I would be connected to my server. However, if I type in "http://[::1/128]" in my ...
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2answers
6k views

Accessing IPv6 addresses through an SSH tunnel

I have a remote Arch Linux server which has IPv6 enabled (through Tunnelbroker, I am able to do ping6 ipv6.google.com successfully) and I want to know if it's possible to use PuTTY on my Windows 7 ...
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1answer
469 views

IPv6 on ASUS WL-520GU or other

It's coming this summer. IPv6!!! This DD-WRT tutorial is information overload for me. I can't tell if this would be supported on my ASUS WL-520GU, and I don't see a clear way to make it a secure ...
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1answer
216 views

Why does NAT64 require DNS rewriting?

When a IPv6 only host wants to reach a IPv4 only host, why does the DNS server (or possibly the NAT-PT gateway?) have to rewrite the A responses to AAAA? Couldn't IPv6 simply embed the IPv4 address ...
2
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3answers
434 views

MacBook Pro wants to connect to IPv6 addresses for some strange reason

A very weird behavior on a MBP. It seems that some websites are now advertising Ipv6 addresses (e.g., www.doodle.com, addons.mozilla.org, etc.). For some reason, even though I only have an Ipv4 ...
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3answers
1k views

Why does IPv6 use 128 bit addressing? [closed]

When I first heard about IPv6, I just assumed that it doubled the number of addressing bits in IPv4, from 32 bits to 64 bits. This would have been enough for at least 2.6 billion addresses for each ...
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3answers
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What do the numbers used in a IPV6 address mean?

I am trying to understand IPV6. I have a server with the following IPV6 address: 2607:f750:0:3f::f59. I don't understand what the numbers mean. It looks totally different from an IPV4 address. ...
2
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1answer
71 views

Determining the way the IPv6 interface identifier was created

In IPv6 the 64bit interface identifier of an IPv6 address can be determined in one of 3 ways: Stateless Address Autoconfiguration: put in the MAC address of the NIC (+ FF:FE and flip a bit). ...
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2answers
1k views

Can't ping Linux IPv6 address from Windows XP

I gave an IPv6 address to my SUSE Linux machine on a VirtualBox VM with ifconfig eth0 inet6 add ... I can't ping that address from Windows XP (vice versa) The address of the Linux machine is efbb::26 ...
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2answers
10k views

How can I make localhost resolve to 127.0.0.1 instead of ::1?

When I ping localhost the address resolves to the ipv6 loopback of ::1 My MySQL and Apache installations expects the ipv4 address of 127.0.0.1 How can I configure my WindowsXP to resolve localhost ...
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0answers
760 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 ...
2
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1answer
940 views

NDP entries on linux

Just as we have /proc/net/arp holding ARP entries in Linux, what is the file that holds the Neighbor Discovery Protocol (NDP) entries? I searched for it on the Linux box running IPv6, but to no avail. ...
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2answers
95 views

IPv6 SSM multicast: is it built in or do you have to use another protocol like PIM-SM with it?

I'm trying to understand how integrated SSM multicast is to IPv6. Is it built in and sent solely by ICMPv6 messages or do you have to run something extra like PIM-SM? The reason I as is I've seen ...
2
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1answer
783 views

How to prevent IPv6 privacy extensions from breaking my long-lived SSH sessions?

When using SSH from my Windows 7 desktop to Linux servers, via IPv6, I'm having the following two problems, because of IPv6 Privacy Extensions: I'm used to keep ssh sessions open for days or weeks. ...
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3answers
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How to connect a website has only IPv6 address without domain name?

If a server has only IPv6 address without domain name, how can I connect to server from my web-browser?
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2answers
264 views

IPv6 LAN Clients IPV6 Address List

I am only using 'radvd'[Stateles Addres Configuration] server to advertise the prefix for LAN clients. LAN clients are formaing global ipv6 address based on advertised prefix. I need to display the ...
0
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1answer
148 views

IPv6 get alive hosts without ICMPv6?

How would you probe the first few ports on TCP/UDP to see the host is alive like Angryipscanner but only on ipv6?Too see if the hosts are alive without ICMPv6?I am on Windows.
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3answers
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Should I use a static IP address? If so what kind?

Last night I managed to get my local PC running as a server using port 80 and my IP address. After restarting my machine it stopped working. I was told I need to make a static IP address. My ...
2
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0answers
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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 ...
0
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2answers
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IPv6 Virtual Network in Linux

I'm going to do a project based on IPv6 Network. So I need to create a IPv6 Virtual Network in my Linux OS (I use Ubuntu). Also I need to create some virtual hosts in my virtual network and setup ...
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0answers
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How to remove or delete an invalid IPv6 tunnel on Mac OS X terminal?

I've configured an IPv6 tunnel in the terminal, but it doesn't work. I tried to remove it, but I don't know how.
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3answers
2k views

How can I switch off IPv6 ND RA transmissions in Linux?

I am working on Ubuntu 11.04. I want to switch off the IPv6 ND RA transmissions. How can I do this?
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2answers
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How can I access an IPv6-only host from a Windows 7 computer behind an IPv4-NAT?

I have a computer with Windows 7. It's connected to Internet via an IPv4 NAT router. How can I access a host that is only accessible with IPv6? Is there an easy way to configure the Windows 7 Teredo ...
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4answers
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MTU is 1500, why the first fragment length is 1496 in IPv6?

ping6 ipv6Address -s 1500 This command will result a fragment. Observed by wireshark, the 1st fragment packet's length is 1496 (from layer 3). Since the MTU is 1500, I am confused by this 1496 ...
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3answers
3k views

Which Linux-based firewall supports IPv6?

Out of the box neither IPCop nor ipfire support IPv6, not even on the green interface (internal LAN). How do I add IPv6 support to one of them? If that's not possible, is there a linux-based embedded ...
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1answer
219 views

Do modems affect IPv6ness?

I have a 11year old modem. However from my knowledge it isn't giving me problems. I ran an ipv6 test I got "10/10" for for your IPv4 stability and readiness and 0/10 for IPv6. I then tried running it ...
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4answers
4k views

How do I properly access Google through IPV6?

I'm trying to access Google through IPv6. However, it seems to want to send me back to IPv4! I did a DNS lookup on IPv6.google.com at http://centralops.net/co/ and found their IP, then tried this... ...
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1answer
633 views

Configure IP v6 on Linux machine

I use this command to assign a site-scope IP address: $ sudo ifconfig eth0 inet6 add fee3::216:cbff:fe94:1a86/64 $ Check it with ifconfig: $ ifconfig ... eth0 Link encap:Ethernet HWaddr ...
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1answer
775 views

How to configure the IPv6 address on Mac OS X 10.6?

I have automatically configured IPv6 address on my Mac OS X 10.6: $ ifconfig ... en0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500 ether 00:16:cb:94:1a:79 inet6 ...
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2answers
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Can we disable IPV4 and use purely IPV6 on Windows XP/2003?

Is there any way we can use purely IPV6 on Windows XP or Server 2003. I know an IPV4/IPV6 dual stack exists in Windows XP, I just wanted to test whether only IPV6 can be used on XP. It is possible in ...
2
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1answer
303 views

Is an RDNSS or DHCPv6 server allowed to distribute a link-local IP address as DNS server?

And if so, how is this supposed to work? Is the client supposed to attach the interface identifier himself, based on the interface the assignment came through?
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2answers
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DD-WRT with native IPv6

My ISP provides native IPv6 support (ie. I can plug in my computer straight into the WAN and get an IPv6 address). However I can not get this working on DD-WRT. When I enable IPv6 and radvd in ...
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2answers
2k views

Unable to close SSHD on IPv6 TCP port

I'm running Ubuntu 10.4 and I've tried disabling IPv6 as I don't currently need it. I rand the following to disable IPv6 and then rebooted my server: echo "#disable ipv6" | sudo tee -a ...
2
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1answer
520 views

Can't ping another Teredo client behind the same NAT

I have 2 computers that are about as similiar as they can be Both run Fedora Linux 15 x64 Both are behind the same IPv4 only NAT (my house) Both run Miredo (Teredo Tunneling) and have unique ...
2
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1answer
459 views

Using router public IP to access another (located in WAN) router behind NAT

I have following setup: at home I have a router up and running with public ipv4 ip at my country house I have ipv4 cam and router which is behind NAT - no public ip (public ip is too expensive) both ...
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2answers
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Without NAT on IPv6, and only one DNS name, how do i talk to my servers?

Right now we own one domain name (e.g. superfault.com). From the internet i can connect to a variety of networked devices using that single DNS name: superfault.com ...