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15 Cards in this Set

  • Front
  • Back
ICMP 8
Echo request
ICMP 0
Echo Reply
ICMP 3
Destination unreachable, host or network cannot reach
ICMP 11
Time exceeded
ICMP 10 AND 13
10 host administratively prohibited
13 communication administratively prohibited
Nmap TCP
This will run full connection, three way handshake
Nmap SYN
Known as a half open scan, only SYN is sent on completion three way handshake
Nmap FIN
Reverse SYN, this send FIN packet and if the port is close the computer will send RST
Nmap XMAS
It send all the flags, FIN, URG and PSH. The responds are the same like FIN, is the port is close will get RST
Namp ACK
Used for Linux/unix, send ACK, it use the ICMP destination unreachable messages to determine what ports may be open on a firewall
Nmap NULL
Almost the opposite of the XMAS scan. The NULL scan sends packets with no flags set. Responses will vary, depending on the OS and version, but NULL scans are designed for Unix/Linux machines.
hping3
Ping sweep: hping3 -1 IPaddress
SYN scan: hping3 -8 IPaddress
ACK scan: hping3 -A IPaddress
XMAS scan: hping3 -F -P -U IPaddress
UDP scan: hping3: -2 IPaddress
Nmap-PT 192.168.1.3
This does TCP sweep using port 80, we can change the port
nmap -sT -oN result.txt 192.168.1.3
This does a full connect and save the result.
Port Distributions
Range 0 to 65,535
Well-know 0-1023
Registered 1024-49,151
Dynamic 49,152-65,535