Compared to TCP, ICMP does not have…
Ports
Client/Server
No response expected
No reliable delivery
Receiving host can get sender to slow down by doing what
Send source quench. ICMP type 4 code 0
Tireless ICMP Mapper is what
one port at a time
one host at a time
days at a time
Efficient ICMP mapper
scans broadcast .225 and .0
get multiple hosts to reply
Clever ICMP mapper
scans smaller subset of subnets
Cerebral ICMP mapper
192.0.2.1 icmp mask request
192.0.2.1 icmp mask request
198.51.100.1 icmp mask request …
Router how is your network segmented