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What does off mean in netstat?
“off” means not any of the a number of things including keepalive. So on that socket keepalive is off. The thing that sets up the socket on port 1169 needs to enable keepalive.
What is timer in netstat?
Hope this explains the netstat –timer option well. The first number is clearly the countdown timer. Depending on status type, once the timer times out, it will retry and send out another FIN or whatever needed packet to try again. The backoff timer avoids excessively frequent retries.
What is purpose of netstat?
Print network connections, routing tables, interface statistics, masquerade connections, and multicast memberships
netstat/Function
Which is an example of the output of netstat?
Below, as an example, is the output of netstat –ona command. It shows the TCP and UDP ports on which the local computer is listening and the active TCP connections. As you can see, we have an additional column named PID where process IDs are located.
How does the netstat command for UDP work?
netstat -p TCP. Displays the connections for the specified protocol, in this case TCP (also possible: UDP, TCPv6, or UDPv6) -q. netstat -q. Lists all connections, all listening TCP ports, and all open TCP ports that are not listening. -r. netstat -r. Displays the IP routing table.
What does Proto and foreign address mean in netstat?
Proto: It represents the name of the protocol (TCP or UDP) Local Address: It represents the IP address of the local computer and the port being used. Foreign Address: It represents the IP address and the port number of the remote computer.
How does netstat show the active TCP connections?
It shows the TCP and UDP ports on which the local computer is listening and the active TCP connections. This parameter displays active TCP connections. Addresses and port numbers are expressed numerically without attempting to determine the host name. Below, is the output of a netstat –n command showing the active TCP connections.