On 04/05/2021 20:33, Jouk Jansen wrote:
Hi All,
I'm using one of my Fedora machines as a router between 2 networks. The two
network devices on the machine are called enp0s25 and tun0. On F33 it worked
as expected. However, after an upgrade to F34 It looks like it does not work
anymore.
I tried to give the commands
firewall-cmd [--permanent] --direct --add-rule ipv4 filter FORWARD 0 -o
enp0s25 -i tun0 -j ACCEPT
firewall-cmd [--permanent] --direct --add-rule ipv4 filter FORWARD 0 -i
enp0s25 -o tun0 -j ACCEPT
But had no success (not even after restarting firewalld).
"firewall-cmd --list-all" gives the following:
FedoraWorkstation (active)
target: default
icmp-block-inversion: no
interfaces: enp0s25 tun0
sources:
services: dhcpv6-client mountd nfs rpc-bind samba-client ssh telnet
ports: 1025-65535/tcp 1025-65535/udp
protocols:
forward: no
masquerade: yes
forward-ports:
source-ports:
icmp-blocks:
rich rules:
The strange thing is that "forward" is always "no". (also the masquerade is
always "no" after restarting firewalld, although it is set with --permanent,
but can be set in run-time)
the forwarding variable is defined:
net.ipv4.conf.all.forwarding = 1
Can someone give me some hints on what I'm missing?
While I don't fully understand your issue, I wonder if the new addition to
firewalld may help.
https://firewalld.org/2020/04/intra-zone-forwarding
And, FWIW, firewalld has used nftables since, I think, F32. You can always
check /etc/firewalld.conf
to see what....
FirewallBackend=nftables
is set to.
--
Remind me to ignore comments which aren't germane to the thread.
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