unable to disable IPv6
| Affects | Status | Importance | Assigned to | Milestone | |
|---|---|---|---|---|---|
| linux-source-2.6.22 (Ubuntu) |
Invalid
|
Undecided
|
Unassigned | ||
Bug Description
Binary package hint: linux-image-
I have three different gutsy computers.
One is a xen slice in slicehost.com (upgraded from dapper, to edgy, to feisty, to gutsy).
Another one is a plain desktop.
The last one is a server (installed from cd and upgraded from feisty to gutsy).
I tried to disable IPv6 in all of them. The first two worked just fine by simply creating a file /etc/modeprobe.
blacklist ipv6
However, the last one (where the only difference I see is that the kernel version), insists on loading IPv6.
I tried several combinations of the instructions in:
https:/
http://
http://
and a handful of ubuntuforums.org threads to no avail...
uname -a yields:
Linux my_server 2.6.22-14-server #1 SMP Sun Oct 14 23:34:23 GMT 2007 i686 GNU/Linux
I don't know what other info might help here...
| Rui Bernardo (epimeteo) wrote | #1 |
| MarianoAbsatz (el-baby) wrote | #2 |
| Changed in linux-source-2.6.22: | |
| status: | New → Invalid |
Hi,
I add this problem too. I had a Ubuntu Feisty server working without ipv6 (blacklisted with "blaclist ipv6" on /etc/modprobe.
Then I've upgraded it to Gutsy and then the module started to be loaded, even with the ipv6 being blacklisted!
user@server:~$ lsmod|grep ipv6
ipv6 278916 24 nf_conntrack_h323
I've found that ipv6 was loaded by nf_conntrack_h323 module, and this one was used by nf_nat_h323. I don't know why this modules were being loaded (no SIP software installed on the server)
I was using shorewall firewall, so I had to explicitly add an empty module file (the file where you say which iptables modules you want to be loaded). This avoided that those modules from being loaded and ipv6 wasn't loaded since then.
I really think there is something wrong here. Even if shorewall had changed and loaded all iptables modules since Gutsy (wasn't happening in Feisty), with the ipv6 module being blacklisted it should not be loaded!
More info of this "adventure" here: http://