These changes are not much affecting the vpn client, except that it enables the masquerade on tun0.
You can save the iptables with
iptables-save > /tmp/fw-backup
and restore with
iptables-restore < /tmp/fw-backup
These changes are not much affecting the vpn client, except that it enables the masquerade on tun0.
You can save the iptables with
iptables-save > /tmp/fw-backup
and restore with
iptables-restore < /tmp/fw-backup