In a _____ scan, Nmap marks the TCP bit active when sending packets in an attempt to solicit a response from the specified target system. This is another method of sending unexpected packets to a target in an attempt to produce results from a system protected by a firewall.
TCP FIN is used to scan the only closing the linkage on one half or even both sides. It is divided into two parts, that are TCP-RST server and TCP-RST client, both can be described as follows:
In the Server, it occurs to reset the server, which is transmitted by the server. In the client, it transmits a TCP reset to the device.
The main purpose of this link is to end by sending a FIN bit set special message.
It serves as the termination request for the other unit, which may also convey information like standard line.
