IPTables

Playground

netstat -uap|grep nginx apt list --installed sudo iptables -S netstat -lpn netstat -a	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	sudo lsof -i -P -n | grep LISTEN sudo ss -tulpn | grep LISTEN ls -lah /etc/iptables/ ls -lah /etc/iproute2/ ls -lah /etc/ufw/
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	suod journalctl -xeu ufw.service sudo journalctl -xeu iptables sudo journalctl -xeu nftables systemctl daemon-reload journalctl -xe|less journalctl -xe|tail journalctl -xe	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
apt install inetutils-traceroute apt install nmap	systemctl status iptables systemctl status nftables	sudo ip6tables-save > /etc/iptables/rules.v6 sudo iptables-save > /etc/iptables/rules.v4
sudo iptables -S FORWARD -v sudo iptables -S -t nat -v sudo iptables -S OUTPUT -v sudo iptables -S INPUT -v sudo iptables -S -t nat	sudo iptables -L FORWARD -v sudo iptables -L -t nat -v sudo iptables -L OUTPUT -v sudo iptables -L INPUT -v sudo iptables -L -t nat

References

IPTables » The Beginners Guide IPTables » Rules Listing IPTables » RedHat IPTables » How To IPTables
PostgreSQL OpenVPN Minikube Podman Vagrant VSCode NodeJS Docker MAAS MinIO	Academia JavaEE Workspace in Ubuntu Linux Virtual Display for iPad Pro Ubuntu/Raspberry Pi Linux Containers Localtunnel Remmina ActiveMQ MySQL Nginx Qemu	K8s » CSI Hostpath Driver Linux User Creation CIDR UFW Port