Misc network related terminal commands

network.sh

# Resolve DNS
nslookup

# List of open internet connections established
# lsof is much more general purpose
lsof -i | grep -E "(LISTEN|ESTABLISHED)"

# Monitor network traffic & connections
nettop

# Spoof MAC Addr with random Addr
openssl rand -hex 6 | sed 's/\(..\)/\1:/g; s/.$//' | xargs sudo ifconfig en0 ether

# Map all IP addresses in local network
# First ping the broadcast address found here
ifconfig | grep broadcast
# And then
arp -a