IPTables
Playground
netstat -uap|grep nginx
apt list --installed
sudo iptables -S
netstat -lpn
netstat -a
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sudo ss -tulpn | grep LISTEN | grep resolve
sudo ss -tulpn | grep LISTEN | grep minio
sudo ss -tulpn | grep LISTEN | grep sshd
sudo ss -tulwn | grep LISTEN
sudo ss -tulpn | grep LISTEN
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sudo lsof -i -P -n | grep LISTEN
sudo ss -tulpn | grep LISTEN
ls -lah /etc/iptables/
ls -lah /etc/iproute2/
ls -lah /etc/ufw/
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nc -uv vpn.shahed.biz 1194 # udp
nc -tv vpn.shahed.biz 80 # tcp
nc -tv vpn.shahed.biz 53 # tcp
sudo nmap -sT localhost # tcp
sudo nmap -sU localhost # udp
nc -uv localhost 1194 # udp
nc -tv localhost 80 # tcp
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suod journalctl -xeu ufw.service
sudo journalctl -xeu iptables
sudo journalctl -xeu nftables
systemctl daemon-reload
journalctl -xe|less
journalctl -xe|tail
journalctl -xe
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sudo -i -u minikube
echo $(ip r g $(minikube ip)|awk '{print $3}'|head -n1)
sudo nmap -sU -sT -p U:1194,T:22,53,443 vpn.shahed.biz
nmap --packet-trace -p 587 -vv -sT mail.chorke.org
tracerout mail.chorke.org
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apt install inetutils-traceroute
apt install nmap
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systemctl status iptables
systemctl status nftables
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sudo ip6tables-save > /etc/iptables/rules.v6
sudo iptables-save > /etc/iptables/rules.v4
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References
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