Hello,
Yes, it's correct.
Here are the results of the following commands:
damien@damien-esprimop2560:~$ sudo iptables -t nat -L POSTROUTING
Chain POSTROUTING (policy ACCEPT)
target prot opt source destination
MASQUERADE all -- 10.89.114.0/24 anywhere
damien@damien-esprimop2560:~$ sudo iptables -t filter -L FORWARD
Chain FORWARD (policy ACCEPT)
target prot opt source destination
ACCEPT all -- anywhere anywhere
ACCEPT all -- anywhere anywhere
ACCEPT all -- anywhere anywhere
damien@damien-esprimop2560:~$ cat /proc/sys/net/ipv4/ip_forward
1
damien@damien-esprimop2560:~$ ls /proc/sys/net/ipv4/conf/*/forwarding
/proc/sys/net/ipv4/conf/all/forwarding
/proc/sys/net/ipv4/conf/default/forwarding
/proc/sys/net/ipv4/conf/lo/forwarding
/proc/sys/net/ipv4/conf/bnep0/forwarding
/proc/sys/net/ipv4/conf/enp3s0/forwarding
/proc/sys/net/ipv4/conf/pan1/forwarding
damien@damien-esprimop2560:~$ cat /proc/sys/net/ipv4/conf/*/forwarding
1
1
1
1
1
1
____________________________________________
Extract from /var/log/syslog:
Oct 11 20:43:41 damien-esprimop2560 systemd[1]: Starting Network Manager
Script Dispatcher Service...
Oct 11 20:43:41 damien-esprimop2560 dbus-daemon[453]: [system]
Successfully activated service 'org.freedesktop.nm_dispatcher'
Oct 11 20:43:41 damien-esprimop2560 systemd[1]: Started Network Manager
Script Dispatcher Service.
Oct 11 20:43:41 damien-esprimop2560 NetworkManager[454]: <info>
[1665513821.1098] device (pan1): state change: ip-check -> secondaries
(reason 'none', sys-iface-state: 'external')
Oct 11 20:43:41 damien-esprimop2560 NetworkManager[454]: <info>
[1665513821.1101] device (pan1): state change: secondaries -> activated
(reason 'none', sys-iface-state: 'external')
Oct 11 20:43:41 damien-esprimop2560 NetworkManager[454]: <info>
[1665513821.1114] device (pan1): Activation: successful, device activated.
Oct 11 20:43:41 damien-esprimop2560 dnsmasq[4178]: démarrage avec le DNS
désactivé (version 2.85)
Oct 11 20:43:41 damien-esprimop2560 dnsmasq[4178]: options à la
compilation : IPv6 GNU-getopt DBus no-UBus i18n IDN2 DHCP DHCPv6 no-Lua
TFTP conntrack ipset auth cryptohash DNSSEC loop-detect inotify dumpfile
Oct 11 20:43:41 damien-esprimop2560 dnsmasq-dhcp[4178]: DHCP, plage
d'adresses IP 10.89.114.2 -- 10.89.114.254, durée de bail 1h
Oct 11 20:43:41 damien-esprimop2560 dnsmasq-dhcp[4178]: DHCP, sockets
bound exclusively to interface pan1
Oct 11 20:43:45 damien-esprimop2560 PackageKit: get-updates transaction
/699_eddcbedc from uid 1000 finished with success after 615ms
Oct 11 20:43:50 damien-esprimop2560 tracker-store[3806]: OK
Oct 11 20:43:50 damien-esprimop2560 systemd[1261]:
tracker-store.service: Succeeded.
Oct 11 20:43:51 damien-esprimop2560 systemd[1]:
NetworkManager-dispatcher.service: Succeeded.
On Tue, 11 Oct 2022 00:04:37 +0200 Christopher Schramm
<deb...@cschramm.eu> wrote:
> You do have a working IP connection but fail to reach any Internet
> targets, also by IP address. Is that correct?
>
> Please check (with sudo or similar):
>
> iptables -t nat -L POSTROUTING
>
> iptables -t filter -L FORWARD
>
> cat /proc/sys/net/ipv4/ip_forward
>
> ls /proc/sys/net/ipv4/conf/*/forwarding
>
> cat /proc/sys/net/ipv4/conf/*/forwarding
>
