2
votes
1answer
52 views

curl and wget attempting an ipv6 connection

On my dedicated server (hosted by OVH), that is running a fresh install of Ubuntu 14.04, curl and wget take approximately 10 seconds to complete a simple request. $ curl -v google.com * Rebuilt URL ...
0
votes
0answers
97 views

No IPv6 traffic in bridge mode

Hello happy people o/~ yesterday I had the audacity to reboot a remote Linux server. This Ubuntu 64, 12.04 installation went from kernel 3.11.0-19-generic to 3.13.0-32-generic and also from being ...
0
votes
0answers
7 views

Virtualbox running Ubuntu and ipv6 [migrated]

I'm just playing around with ipv6 and I was trying to use netcat over ipv6. I tried the following and it works. $ # terminal one $ nc -6 -l 7171 $ # terminal two $ nc -vvv -6 ::1 7171 ...
0
votes
1answer
58 views

Ubuntu IPv6 port redirect using ufw

I'm trying to configure port redirection from port 80 to 8080 on server with both IPv4 and IPv6 support. The OS is Ubuntu 14.04 with the 3.2* series kernel. It is a production server, so I don't want ...
0
votes
1answer
194 views

Tomcat & Java not listening on IPv6

We've got a webserver running Ubuntu 12.04 LTS, Tomcat 7 and Oracle Java. So far, we have been serving a web app on IPv4 address on ports 80 and 443 (80 redirects to 443). I'm trying to make the ...
2
votes
1answer
87 views

Can I use NAT64 to route public IPV6 traffic to internal IPV4?

I have a bunch of public IPv6 addresses and some services that run IPv4 only. Can I use NAT64 to connect these services? Is there another solution like a proxy or something?
2
votes
1answer
316 views

Ubuntu 14.04 Ipv6 multicast

I having troubles to setup an IPv6 multicast server with Ubuntu 14.04, the server fails with Invalid argument when try to bind to IPv6 multicast address, checked with mcfirst tool and got the same ...
0
votes
1answer
142 views

How to enable nfsd to support IPv6 on Ubuntu Linux?

I need to enable IPv6 NFS support on a Ubuntu linux server. This server has support IPv4 NFS. Linux info - root@nimbus-nfsserver:~# uname -a Linux nimbus-nfsserver 2.6.35-22-server #35-Ubuntu SMP ...
4
votes
1answer
880 views

Docker will only bind forwarded ports to IPv6 interfaces

Is there a way I can tell docker to only bind forwarded ports to IPv4 interfaces? I have a machine running on Digital Ocean with IPv6 disabled: # echo '1' > ...
2
votes
1answer
104 views

Why doesn't this IPv6 listen directive also accept IPv4?

In my nginx (1.4.2) setup on Ubuntu 12.04, I have set up only one configuration file (I deleted/disabled the others): server { listen [::]:80 default_server; location / { root ...
0
votes
1answer
663 views

Disabled IPV6 but still showing in netstat

newbie here, for security best practice I want to disable IPV6 (not to deal with IPV6 firewall settings). I use Hetzner root server Ubuntu 12.04 . /etc/sysctl.conf file already have a setting from ...
2
votes
0answers
335 views

Networking with lxc containers with local dhcp and external ipv6 double bridge problems

I want to use both ipv6 externally on all my containers, and ipv4 external only on the hosts. I am using Ubuntu 12.04 64bit. For ipv4 on the container I use the DHCP that came with the lxc ...
1
vote
3answers
297 views

ipv6 on Ubuntu server - how do I secure?

On our Ubuntu server, ipv4 & ipv6 are enabled. We have taken these steps so far. Enabled iptables & ip6tables Copied the rules exactly from our iptables to ip6tables Do we need to make ...
4
votes
2answers
159 views

ipv6 multiple addresses and firewall on remote machine

I have an ubuntu server (serverA) which has a couple of IPv6 addresses. One of these is based on it's MAC address, and is known to the network, the other one I presume ubuntu created as a 'private' ...
0
votes
1answer
185 views

Can't ping6 a network interface from a different Ubuntu computer

I cannot ping6 the network interface "tun0" on the host computer from a virtual machine. Using vmware, I installed a Ubuntu 12.04 virtual machine, that is connected to the host machine with NAT. ...
0
votes
1answer
86 views

Ubuntu IPv6 setup for LAMP and Mail Server

I noticed my ip6tables are not configured on my newish server, but well supported by my VPS and I have some idea about how to implement ipv4 rules, but know nothing about ipv6, I've tried looking ...
0
votes
1answer
326 views

Getting ipv6 only on ubuntu server with vmware bridge connection

I have ubuntu server 12.10 on vmware. When I have NAT network configuration I get ipv4 address (checking ifconfig eth0). With bridged connection I get only ipv6 connection, but I need an ipv4 ...
0
votes
1answer
306 views

Can these IPv4 and IPv6 firewall rules be hardened any further? [closed]

I am running Ubuntu 10.04. Here are the IPv4 firewall rules that I've been using now for a few months: *filter #Allow all loopback (lo0) traffic and drop all traffic to 127/8 #that doesn't use lo0 ...
0
votes
2answers
71 views

What do I need to go from having a domain to being able to take a sipuser@mydomain.com call?

(Sorry if this question is a little basic or should go on a different SE site. Just let me know.) I'm trying to learn about SIP. The problem is that I'm at the point where I don't know enough to try ...
0
votes
1answer
265 views

Operation not permitted on ping6 after mip6d establishes MIPv6 tunnel

I'm very much out of ideas here: I run mobile IPv6 on Ubuntu oneiric, with a simple fixed-address setup. mip6d establishes a tunnel, but as soon as the tunnel establishes I lose all network ...
7
votes
2answers
771 views

How do I use rsync with an IPv6 address via SSH?

I've been having difficulty with connecting to my IPv6 address via rsync. Because the argument for the destination folder is colon-separated, the IPv6 address disrupts this like so: ...
4
votes
1answer
2k views

Static IPv6 address advertising and IPv6 autoconfig in Debian/Ubuntu

I have a network that advertises IPv6 addresses through IPv6 autoconfig. To allow DNS lookups and to have fancy IP addresses, we setup "static" IPv6 addresses through /etc/network/interfaces: auto ...
2
votes
2answers
863 views

IPv6 configuration SIOCSIFADDR file exist

I am configuring IPv6 address in a Debian machine, and this is what I have in my interface file. auto eth0 iface eth0 inet6 static pre-up modprobe ipv6 address 2001:23:207:141:0:0:0:0 ...
2
votes
2answers
230 views

OMSA only work for IPv6?

I have installed OMSA on a server and the dsm_om_connsv service is running. I have found, in the past, this always binds to an IPv6 socket only; # netstat -lnp Active Internet connections (only ...
2
votes
3answers
753 views

setting static ipv6 address in ubuntu

I'm trying to add an ipv6 address to an already existing interface, which previouosly only had ipv4. This is my config: auto lo iface lo inet loopback auto eth8 iface eth8 inet static address ...
0
votes
1answer
149 views

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 ...
2
votes
1answer
583 views

SNMPGet over IPv6

So I am trying to do an snmpget via ipv6. Here are a few commands I've tried: snmpget -v 1 -c public 'fdab:3bce:6c78:1:215:5dff:fe00:3914' sysUpTime.0 snmpget -v 1 -c public ...
0
votes
3answers
2k views

6to4 behind NAT

I've got problem with 6to4 tunnel on Ubuntu. My PC's public address is 178.42.231.125, my pivate address is 192.168.100.10 Configuration of tunnel: ip tunnel add 6to4 mode sit ttl remote any local ...
0
votes
2answers
339 views

Squid3 cache limitation?

I'm using Squid3 for its caching capabilities on a bunch of IPv6 addresses. The only thing is, only 128 of them initialize properly, and any more won't connect. Can you think of any settings that I ...
3
votes
2answers
2k views

Configure static IPv6 on Ubuntu

I'm trying to configure IPv6 on a dedicated Ubuntu server. My provider gave me a "/64" (whatever that is - I'm still confused) of IPv6 addresses. However, when I try to use them, I can't ping ...
3
votes
3answers
337 views

ipv6 local connection

So I have an ubuntu 10.04 router that is tunneling ipv6 to hurricane electric. It has perfectly fine ipv6 connectivity. My problem is that I want to have my ubuntu 10.04 machine behind it be able to ...
4
votes
3answers
3k views

Disabling IPv4 and use only IPv6 in Ubuntu

I'm doing some IPv6 related testing, and I wanted to fully disable my IPv4 for the tests on Linux, but couldn't find any easy place to do this. How do I make my IPv6 the only active one?
0
votes
1answer
367 views

configuration of 6to4 tunnel

I've got problem with configuration 6to4 on virtual machines. I've got two machines with ubuntu. Conf. of first machine: #ip tunnel del tun6to4 #ip tunnel add tun6to4 mode sit ...
2
votes
1answer
810 views

IPv6 fallback to IPv4

Currently I am connected to Internet over IPv4, I am using tunnel from sixxs.net and I have got subnet and one of IPv6 assigned to my eth0 interface. So, eth0 has IPv4 and IPv6: 2: eth0: ...
1
vote
2answers
401 views

IPv6 Static Address Allocation

I run a few web servers and would like to get a block of ipv6 addresses that i can use on these servers that are static, my ISP do not offer them. I use Ubuntu Servers. Any information would be of ...
4
votes
3answers
283 views

Access server via IP v6?

Question: I'm playing with IPv6 and converting it to IPv4 and vice-versa. I wanted to access http://127.0.0.1/ And did the standard ipv4 to ipv6 calculation: AA = 127 BB = 0 CC = 0 DD = 1 with the ...
-1
votes
1answer
497 views

How can I disable ipv6 on Ubuntu Server 8.04?

I'm trying to run Dell OMSA on Ubuntu 8.04. However, it's binding to ipv6 and not to an ipv4 address. I can't seem to figure out how to change this behavior. So, since I don't need ipv6 support, ...
5
votes
2answers
906 views

Testing IPv6 between Linux boxes on a LAN

I'm attempting to set up an IPv6 testbed. Very basic: Just two Ubuntu Linux boxes talking to each other over a LAN. Both boxes have working IPv4 connectivity, but I have had no luck using SSH over ...
0
votes
3answers
3k views

how to completely disable ipv6 on Ubuntu 9.04

what i have done: /etc/modprobe.d/blacklist.conf blacklist net-pf-10 blacklist ipv6 /boot/grub/menu.lst title Ubuntu 9.04, kernel 2.6.28-15-server kernel ...
0
votes
6answers
1k views

Ubuntu + Opera (ipv6 issue)

Did anyone manage to get Opera working on Ubuntu 9.04? It's trying to resole domain names in IPv6 way, and somehow gets a zero-reply from the gateway (ip-address of much zeroes), and fails to connect. ...