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Re: Firewall POSTROUTING problem

From Alain D D Williams <addw@phcomp.co.uk>
Newsgroups linux.debian.user
Subject Re: Firewall POSTROUTING problem
Date 2021-08-12 00:50 +0200
Message-ID <CL5cR-8lF-1@gated-at.bofh.it> (permalink)
References (1 earlier) <CL477-7GX-1@gated-at.bofh.it> <CL4gN-7Kv-1@gated-at.bofh.it> <CL4qu-7OA-3@gated-at.bofh.it> <CL4A9-88M-1@gated-at.bofh.it> <CL4Tv-8eZ-1@gated-at.bofh.it>
Organization Parliament Hill Computers Ltd

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On Thu, Aug 12, 2021 at 01:28:57AM +0300, IL Ka wrote:
> >
> >
> >
> > > > iptables -A FORWARD -j ACCEPT
> >
> 
> Are you sure your packets are forwarded via netfilter?
> Try to disable forwarding (with sysctl) or change rulte to -j DROP and
> check traffic with sniffer (no packet should be forwarded from virt machine
> to the Internet)

It now works all of a sudden .... I am scratching my head to see what I have
changed. The only thing is rebooting the virtual machine that I was testing
from. I cannot see that that should have made a difference. I was changing the
firewall ...

Anyway: thanks for now, I am sorry if I have wasted anyone's time :-(

-- 
Alain Williams
Linux/GNU Consultant - Mail systems, Web sites, Networking, Programmer, IT Lecturer.
+44 (0) 787 668 0256  https://www.phcomp.co.uk/
Parliament Hill Computers Ltd. Registration Information: https://www.phcomp.co.uk/Contact.html
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Thread

Firewall POSTROUTING problem Alain D D Williams <addw@phcomp.co.uk> - 2021-08-11 23:10 +0200
  Re: Firewall POSTROUTING problem deloptes <emanoil.kotsev@deloptes.org> - 2021-08-11 23:40 +0200
    Re: Firewall POSTROUTING problem Alain D D Williams <addw@phcomp.co.uk> - 2021-08-11 23:50 +0200
      Re: Firewall POSTROUTING problem deloptes <emanoil.kotsev@deloptes.org> - 2021-08-12 00:00 +0200
        Re: Firewall POSTROUTING problem Alain D D Williams <addw@phcomp.co.uk> - 2021-08-12 00:10 +0200
          Re: Firewall POSTROUTING problem IL Ka <kazakevichilya@gmail.com> - 2021-08-12 00:30 +0200
            Re: Firewall POSTROUTING problem Alain D D Williams <addw@phcomp.co.uk> - 2021-08-12 00:50 +0200
          Re: Firewall POSTROUTING problem Lucas Castro <lucas@gnuabordo.com.br> - 2021-08-12 19:30 +0200

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