kernel 3.2 / 2.6.42 disable ipv6

[Reindl Harald]

Am 08.02.2012 10:33, schrieb Reindl Harald:
> 
> 
> Am 08.02.2012 10:28, schrieb Rich Boyce:
>> Hi,
>>
>> On 07/02/12 21:43, Reindl Harald wrote:
>>> why is this ignored in the latest kernels?
>>
>> I don't know, but...
>>
>>> i do not like to see any ipv6-configuration/IP as long the WAN
>>> is ipv4 only and this may be a long time
>>
>> ... this is how I do it (Fedora 16):
>>
>> sysctl -w net.ipv6.conf.all.disable_ipv6=1
>> echo "net.ipv6.conf.all.disable_ipv6=1" >> /etc/sysctl.conf
>>
>> The first command disables it immediately, the second after a reboot.
> 
> thanks, this works!
> "systcl -p" makes changes in /etc/sysctl.conf active immediately
> 
> well, my /etc/sysctl.conf is growing and growing :-)

hm - but it seems not to work perfectly

"sysctl.conf" is applyied not at the first begin of the boot-process
so it seems samba as example is starting while the option is not
set, restart it after boot hash fnished removes the ipv6-listening

[root at rh:~]$ netstat -l | grep smb
tcp        0      0 0.0.0.0:445                 0.0.0.0:*                   LISTEN      1123/smbd
tcp        0      0 0.0.0.0:139                 0.0.0.0:*                   LISTEN      1123/smbd
tcp        0      0 :::445                      :::*                        LISTEN      1123/smbd
tcp        0      0 :::139                      :::*                        LISTEN      1123/smbd

[root at rh:~]$ service smb restart
Redirecting to /bin/systemctl  restart smb.service
[root at rh:~]$ netstat -l | grep smb
tcp        0      0 0.0.0.0:445                 0.0.0.0:*                   LISTEN      5430/smbd
tcp        0      0 0.0.0.0:139                 0.0.0.0:*                   LISTEN      5430/smbd


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