Linux Command Encyclopedia network communication: Netstat

Function Description: Show network status.

Grammar: netstat&http://www.aliyun.com/zixun/aggregation/37954.html ">NBSP;" [-ACCEFGHILMNNOPRSTUVVWX] [-a< Network Type [IP]

Supplemental Note: Use the NETSTAT directive to let you know the entire Linux system network situation.

Parameters：
A or--all displays the sockets in all lines.
-a< network type > or--< network type > lists the related addresses in the network type line.
The-C or--continuous continues to list network status.
-C or--cache displays the router configuration's cache information.
-E or--extend displays other information about the network.
-F or--fib display fib.
A-G or--groups displays a list of multiple broadcast feature group members.
-H or--help online Help.
-I or--interfaces display the network interface information form.
-L or--listening displays the socket for the server in the monitor.
-M or--masquerade displays a disguised network connection.
-N or--numeric use the IP address directly, not through the domain name server.
-N or--netlink or--symbolic displays the symbolic connection name of the network hardware peripherals.
The timer is displayed in-O or--timers.
-P or--programs displays the program identifier and program name that are using the socket.
-R or--route displays routing Table.
-S or--statistice Display network work Information tab.
-T or--TCP displays the connection status of the TCP transport protocol.
-U or--UDP displays the connection status of the UDP transport protocol.
The-V or--verbose displays the instruction execution process.
-V or--version display version information.
-W or--raw displays the connection status of the raw transport protocol.
-X or--unix the effect of this parameter is the same as the specified "-A unix" parameter.
IP or--inet The effect of this parameter is the same as the specified "-A inet" argument.