My system can use both, and usually I only run Bareos on ipv6
sudo ss -tanp | grep :910
LISTEN 0 50 0.0.0.0:9102
0.0.0.0:* users:(("bareos-fd",pid=14857,fd=3))
sudo cat /etc/bareos/bareos-fd.d/client/myself.conf
#
# "Global" File daemon configuration specifications
#
FileDaemon { # this is me
Name = bareos-fd
FDAddresses = {
# ipv6 = { addr = :: ; port = 9102 }
ipv4 = { addr = 0.0.0.0 ; port = 9102}
}
WorkingDirectory = /var/lib/bareos
# remove comment in next line to load plugins from specified directory
Plugin Directory = /usr/lib64/bareos/plugins
}
I didn't remember but I guess the ipv6 stack on the kernel shouldn't be
completely disabled (who want that in 21st century anyways :-) )
So the stack should be present, but it can be not used.
Maybe you can forward a bit more information about what is disabled and how.
Regards
On Friday, 7 November 2025 at 19:13:21 UTC+1 Vitaly Solntsev wrote:
> Hello, Team
>
> I have Bareos server installed on Oracle Linux v9.6 (Red Hat based) with
> the disabled IPv6 stack.
>
> Since Bareos 21.0.0 release (2021-12-21)
>
> Bareos now listens on IPv4 and IPv6 by default. If you currently use
> [DIR|SD|FD] Address or [DIR|SD|FD] Address, you may need to update your
> configuration to get the same behaviour as before. PR #882
> https://github.com/bareos/bareos/pull/882
> <https://github.com/bareos/bareos/pull/882>
>
> Due to the disabled IPv6 on the server all bareos daemons trigger warnings:
>
> 07-Nov 18:05 bareos-fd: Warning: Cannot open IPv6 stream socket.
> ERR=Address family not supported by protocol
> 07-Nov 18:05 bareos-fd: Warning: Can't add default IPv6 address (IPv6
> address wanted but IPv6 is disabled!)
>
> 07-Nov 18:04 bareos-sd: Warning: Cannot open IPv6 stream socket.
> ERR=Address family not supported by protocol
> 07-Nov 18:04 bareos-sd: Warning: Can't add default IPv6 address (IPv6
> address wanted but IPv6 is disabled!)
> 07-Nov 18:04 bareos-sd: Warning: Can't add default IPv6 address (IPv6
> address wanted but IPv6 is disabled!)
>
> 07-Nov 17:56 bareos-dir: Warning: Cannot open IPv6 stream socket.
> ERR=Address family not supported by protocol
> 07-Nov 17:56 bareos-dir: Warning: Can't add default IPv6 address (IPv6
> address wanted but IPv6 is disabled!)
>
> Tried to add only IPv4 usage to the configuration files as described at
>
> https://docs.bareos.org/Configuration/CustomizingTheConfiguration.html#datatype-addresses
> but the warnings are still occuring.
>
> /etc/bareos/bareos-dir.d/director/bareos-dir.conf
> DirAddresses = {
> ipv4 = { addr = 0.0.0.0 }
> }
> or Dir Address = 0.0.0.0
>
> /etc/bareos/bareos-fd.d/client/myself.conf
> FdAddresses = { ip = { addr = 0.0.0.0 ; port = 9102 } }
> or
> FD Address = 0.0.0.0
>
> How can we get rid of these warnings?
>
> Thanks
>
>
>
>
>
>
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