Re: QEMU guests can ping but can't access host
On Sat, 04 Sep 2021 18:08:18 -0500
"David Palacio" <debian@david.palacio.io> wrote:
> I have compared my previous install nft ruleset and installed
> packages list with the current install and found that firewalld
> wasn't installed in the working system but ufw was. The nft ruleset
> was nearly identical save for the missing firewalld rules.
>
> And so after purging firewalld, plasma-firewall and installing ufw
> the VM guest can communicate with the host.
Excellent. Good detective work.
>
> This was odd, though. I had already uninstalled firewalld and
> restarted the system before in an attempt to fix the issue only to
> find the VM couldn't access *anything* then. Maybe the installation
> of ufw helps somehow or plasma-firewall breaks something.
Ah. That is because routing between the two networks is usually shut
off by default. The firewall software usually silently takes care of
that for you.
>
> Thank you for trying to help me.
You are welcome.
And I've learned something also, that comparing packages installed
might be useful. Thank you.
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