# Networking via nmap and ettercap - curl, wget - iproute2, network namespace, openvswitch - ping, traceroute - dig, nslookup - netcat, ncat - **nmap** - tcpdump, wireshark, **ettercap**, bettercap - wireguard, openvpn, ipsec - ssh - xpra - dnsmasq, bind9, coredns, kea - apache, nginx, caddy - ipvs, haproxy - iptables, nftables, pfsense - ebpf - kerberos, sssd, radius, ldap - wireless, [qsfp](https://www.youtube.com/watch?v=s2UiZVBxhas), infiniband