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From: Nikos Chantziaras <realnc@gmail.com>
Subject: [gentoo-user] Re: systemd: "local system does not support BPF/cgroup based
 firewalling"
Date: Sat, 28 Oct 2017 21:44:58 +0300
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 <CADPrc802w2xLW5wWrb-+curZacEXb4ei9k9R+wuqpiFeiCN2Yg@mail.gmail.com>
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There is no such kernel option.


On 28/10/17 21:21, Canek Peláez Valdés wrote:
> Do you have CONFIG_CGROUP_BPF enabled?
> 
> Regards.
> 
> On Sat, Oct 28, 2017 at 1:03 PM, Nikos Chantziaras <realnc@gmail.com 
> <mailto:realnc@gmail.com>> wrote:
> 
>     I'm getting these at startup:
> 
>     systemd[1]: File /lib/systemd/system/systemd-journald.service:33
>     configures an IP firewall (IPAddressDeny=any), but the local system
>     does not support BPF/cgroup based firewalling.
>     systemd[1]: Proceeding WITHOUT firewalling in effect!
>     systemd[1]: File /lib/systemd/system/systemd-udevd.service:32
>     configures an IP firewall (IPAddressDeny=any), but the local system
>     does not support BPF/cgroup based firewalling.
>     systemd[1]: Proceeding WITHOUT firewalling in effect!
>     systemd[1]: File /lib/systemd/system/systemd-logind.service:34
>     configures an IP firewall (IPAddressDeny=any), but the local system
>     does not support BPF/cgroup based firewalling.
>     systemd[1]: Proceeding WITHOUT firewalling in effect!
> 
>     What do I need to make this work? I found this:
> 
>     https://github.com/systemd/systemd/issues/7188
>     <https://github.com/systemd/systemd/issues/7188>
> 
>     But CONFIG_BPF_SYSCALL is enabled and I still get that message.
> 
>     This is on kernel 4.9.59 with systemd 235.