Tcp “的目的是什么?”;RST";旗帜

Tcp “的目的是什么?”;RST";旗帜,tcp,port,wireshark,Tcp,Port,Wireshark,我使用Nmap扫描了我的metasploitable机器,从Kali获取开放端口,并使用Wireshark捕获流量,注意到对于发送到开放端口的每个SYN数据包,都会发送一个RST数据包。为什么?阅读了解有关重置数据包的更多信息。就您而言,解释如下: 1. If the connection does not exist (CLOSED) then a reset is sent in response to any incoming segment except another reset.

我使用Nmap扫描了我的metasploitable机器,从Kali获取开放端口,并使用Wireshark捕获流量,注意到对于发送到开放端口的每个SYN数据包,都会发送一个RST数据包。为什么?

阅读了解有关重置数据包的更多信息。就您而言,解释如下:

1.  If the connection does not exist (CLOSED) then a reset is sent
in response to any incoming segment except another reset.  In
particular, SYNs addressed to a non-existent connection are rejected
by this means.