Advanced Networking Commands - Linux / macOS

Question 1

ip addr add <IP>/<mask> dev <interface> iptables L</interface></mask></IP>

Answer 1

Assign IP to interface.

Question 2

iptables -L

Answer 2

View firewall rules.

Question 3

route add -net <network> gw <gateway></gateway></network>

Answer 3

Add static route.

Question 4

tcdump -i <interface></interface>

Answer 4

Capture and analyze packets.

Question 5

nmap <IP/range>

Answer 5

Scan network hosts and ports.

Question 6

ethtool -S <interface></interface>

Answer 6

Show interface statistics.

Question 7

curl -I <url></url>

Answer 7

Check HTTP headers, server response.