Mail archive

Re: [alpine-user] ip_tables.ko versions on Raspberry

From: Brent B. Powers <>
Date: Tue, 18 Sep 2018 15:13:46 -0400

It is more than possible that I am using edge (although I don't recall
making that decision). Is there a way of moving from edge to 3.8?

On Tue, Sep 18, 2018 at 3:00 PM Daniel Isaksen <> wrote:

> Are you using edge?
> Kernel modules are built against a specific kernel version, and if you
> upgrade either, you need to upgrade the other. I.e. if you upgraded
> iptables, you need to upgrade the kernel as well, or install iptables built
> against the kernel version you are running.
> Also, after upgrading the kernel, you need to reboot the machine.
> -----
> Sincerely / Med vennlig hilsen,
> Daniel Isaksen <> (
> On Tue, Sep 18, 2018 at 8:10 PM, Brent B. Powers <
> > wrote:
>> I've thrown Alpine onto a raspberry 2 to use as a DNS server, via a
>> sys-type installation. I've got my DNS going just fine, but I'm getting
>> hammered by ssh attempts. The obvious situation is sshguard, but that
>> requires (nowadays) a firewall.
>> I've apk'd iptables, but the service won't run, as there's no kernel
>> support. And here's the rub: I can't modprobe ip_tables.ko, as modprobe is
>> looking for it in 4.14.52-0-rpi2, and I've got it in 4.14.69-0-rpi2. I
>> don't know how that happened, but neither insmod or modprobe is letting me
>> past it (actually, insmod is giving me an error about Unknown Symbols).
>> To compound my difficulties, I'm more of a bsd person than linux, so,
>> please, be gentle. cheers, and thanks for the help.

Received on Tue Sep 18 2018 - 15:13:46 UTC