Questions tagged [netstat]
Netstat (network statistic) is a tool, common to Windows, Unix and Linux, used to obtain information about network connections (outbound and inbound), routing tables, and a range of information on the use of statistics the network interface. Netstat.exe command line that shows all open ports for Transmission Control Protocol (TCP) and User Datagram Protocol (UDP).
215
questions
61
votes
7
answers
298k
views
netstat with process name?
Using netstat -a -o -n I can get the list of ports and PID
then I need to go to task manager and add the PID and see who is it.
(pretty frustrating)
I was wonder if there is a CMD command which ...
- 5,788
55
votes
17
answers
136k
views
How do I kill a process that is dead but listening?
I'm developing an app that listens on port 3000. Apparently there's an instance of it still listening to the port because whenever I start it, it can't create a listener (C#, TcpListener, but that's ...
- 671
50
votes
6
answers
55k
views
What is ::: in the Local Address of netstat output?
This is the output of netstat -tulpn that I get:
tcp 0 0 127.0.0.1:2208 0.0.0.0:* LISTEN 2055/hpiod
tcp 0 0 127.0.0.1:631 0.0....
- 601
30
votes
8
answers
137k
views
How to use netstat to show what process is listening on a port
I'm on an OS X Mountain Lion laptop and have a couple of Vagrant boxes on it. I'm trying to figure out which process is listening on port 8080. My variations produce like a hundred lines but none with ...
- 853
27
votes
2
answers
38k
views
How does Mac OSX prioritize network interfaces when routing?
To give a concrete example, how does OSX choose which of these default entries from netstat -nr to route to?
Destination Gateway Flags Refs Use Netif Expire
0/1 ...
- 2,435
26
votes
3
answers
45k
views
How to interpret the output of netstat -o / netstat --timers
netstat -o includes some timer information in the output but I haven't found an explanation of the output in the Timer column anywhere.
Can anybody explain this or point to an explanation?
This ist ...
- 363
26
votes
4
answers
156k
views
How to kill a particular tcp connection in windows?
On Linux we can kill an Established TCP Connection using tcpkill command.
For example, to drop all connection to/from a particular IP:
tcpkill host ipaddr
Or similary to kill all connection ...
- 1,105
23
votes
4
answers
12k
views
Do 0.0.0.0:0 and *:* represent the same thing?
I used netstat (in Windows) to view the listened ports for TCP and UDP:
I noticed that in the Foreign Address column, UDP displays *:* instead of 0.0.0.0:0, do these two values represent the same ...
- 241
19
votes
2
answers
31k
views
Why UDP does not show LISTENING in the state column in netstat?
TCP shows LISTENING in the state column while UDP does not show anything:
Is it because UDP has only one state (which is LISTENING) so there is no need to show it, or is there another reason?
- 191
18
votes
3
answers
25k
views
`netstat` command in WSL return empty list
I install python and start python -m SimpleHTTPServer in windows WSL. But the command netstat -an return an empty list. And of course i can't visit the url http://127.0.0.1:8000 in windows browser.
...
- 181
17
votes
3
answers
106k
views
how to use netstat on a specific port in Linux
Guys i want to know if my specific port is running a server using netstat? how do i achieve that?
Monkey
12
votes
2
answers
29k
views
Linux, netstat : how to display the owner of programs using ports?
I'm getting crazy with the command netstat.
In the man we can read that, in the output of Active Internet Connections (TCP, UDP, raw) we should have :
User : The username or the user id (UID) of ...
- 123
11
votes
2
answers
10k
views
What is the difference between :::: and 0.0.0.0 from the netstat -an output?
I just want to understand the difference between :::: and 0.0.0.0. I believe both are same which let connection from outside if any processor is listening to that port.
udp 0 0 127.0.0.1:...
- 211
10
votes
1
answer
4k
views
Port 9001 used by Microsoft-HTTPAPI/2.0
The port 9001 seems to be used by Microsoft-HTTPAPI/2.0. I get this from the browser doing a http://localhost:9001/
HTTP/1.1 404 Not Found
Content-Type: text/html; charset=us-ascii
Server: Microsoft-...
- 290
9
votes
2
answers
21k
views
What is the difference between nmap and netstat?
I am trying to learn a little about networking and I was hoping to get some help.
Does anyone know the difference between nmap and netstat?
I kind of know how to use them and how to check ports but ...
- 101