Description of various parameters in/PROC/NET/TCP

The content in/proc/net/tcp is printed by the Tcp4_seq_show () function, which has three printing forms, and here we have this list of states that are the tcp_seq_state_listening or tcp_seq_state_established case is as follows:

The result of Netstat is to read the/proc/net/tcp file.

How to view the creation time of a connection

1.NESTAT-APN | grep XXX checks to see the corresponding connected process PID and port

2. Convert the upper and lower ports to 16 binary XXXA XXXB

3. Then Cat/proc/net/tcp | Grep-i Xxxa | Grep-i XXXB Find the Inode inodex for the socket connection

4.ls-al/proc/pid/fd | grep Inodex to see when the socket file was created

Description of various parameters in/PROC/NET/TCP