Re: QEMU guests can ping but can't access host

From	Charles Curley <charlescurley@charlescurley.com>
Newsgroups	linux.debian.user
Subject	Re: QEMU guests can ping but can't access host
Date	2021-09-05 07:50 +0200
Message-ID	<CTTct-5aN-1@gated-at.bofh.it> (permalink)
References	<CSZ0B-1Xe-1@gated-at.bofh.it> <CT0g2-2SM-5@gated-at.bofh.it> <CT2hP-49d-1@gated-at.bofh.it> <CT3xf-4QP-1@gated-at.bofh.it> <CTMXo-1d5-1@gated-at.bofh.it>
Organization	occasionally

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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.

-- 
Does anybody read signatures any more?

https://charlescurley.com
https://charlescurley.com/blog/

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Thread

QEMU guests can ping but can't access host "David Palacio" <debian@david.palacio.io> - 2021-09-02 19:50 +0200
  Re: QEMU guests can ping but can't access host Charles Curley <charlescurley@charlescurley.com> - 2021-09-02 21:10 +0200
    Re: QEMU guests can ping but can't access host "David Palacio" <debian@david.palacio.io> - 2021-09-02 23:20 +0200
      Re: QEMU guests can ping but can't access host Charles Curley <charlescurley@charlescurley.com> - 2021-09-03 00:40 +0200
        Re: QEMU guests can ping but can't access host "David Palacio" <debian@david.palacio.io> - 2021-09-05 01:10 +0200
          Re: QEMU guests can ping but can't access host Charles Curley <charlescurley@charlescurley.com> - 2021-09-05 07:50 +0200

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