Ich bin's, Kai die Katze!
ping -6 ff02::1%eth0
# curl --resolve ccc.de:443:127.0.0.1 -k https://ccc.de
# iptables -L | grep Chain
# iptables -n -L INPUT
or
# iptables -S INPUT
# iptables -n -v --line-numbers -L FORWARD
# iptables -vnL FORWARD --line-numbers
# iptables -D FORWARD 23
# iptables -Z INPUT 42
# iptables -F OUTPUT
# nft list ruleset
ssh -NfL 8080:localhost:1337 user@host.tld
ssh user@host sudo tcpdump -i wlan0 -w - | wireshark -k -i -