Scan Types supported by Nmap
¨TCP Connect (-sT)
–Attempts to completes 3-way handshake
with each scanned port
–Sends SYN and waits for ACK before
sending ACK
–Tears down connection using FIN
packets
–If target port is
closed, sender will received either no response, a RESET packet , or an
ICMP Port Unreachable packet.
–Not stealthy
