1
vote
1answer
616 views

What's up with port 8080 on my OSX box?

I thought a web server process I brought up was listening on localhost:8080, and tried to connect to it, but kept getting connection reset errors. As it turns out, I was mistaken and my process was ...
2
votes
3answers
160 views

Is the same port acting as both client and server?

i find something strange in this netstat output. the output is taken using netstat -a -n -o -p TCP command on win 7. Proto Local Address Foreign Address State PID TCP ...
1
vote
2answers
355 views

What is “armtech daemon”?

I ran a netstap -p tcp on my machine (A macbook) and noticed a number of entries for something called localhost.armtechdaemo. Searching the web doesn't really give me anything useful. Does anyone ...
2
votes
1answer
162 views

find the process which is listening on a specific port

I want to find some processes which are running on a specified port for example 80 I ran fuser 80/tcp and got nothing and then netstat -tulpn|grep "80\|PID" and got Proto Recv-Q Send-Q Local ...
0
votes
1answer
177 views

TCP number of connections differ from client to server

How can this be ? netstat shows x 'established' connections from the client to y 'established' connections on the server. Situation stays like this for 10 minutes, then x and y change, then another ...
0
votes
1answer
110 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 ...
1
vote
2answers
1k views

Count exchanged bytes per TCP connection

I need to get a table updated with the exchanged bytes (Rx and/or Tx) for each ESTABLISHED TCP connection on a linux machine (well, at least, a list of connections (port ranges), thus not actually ...
1
vote
1answer
840 views

What does netstat mean by “acknowledgments not containing data received”?

Netstat reports some TCP packets in the following category acknowledgments not containing data received. However, I'm not clear what this phrase means. Goggling and the netstat documentation don't ...
23
votes
12answers
43k 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 ...
0
votes
1answer
325 views

How to analyse the results of a netstat command on Windows, as during the night my internet connection slows down?

My internet connection gets very slow at night and my ISP told me to use netstat to see how many tcp connetions there is there is usually about 30 or more with ether time wait established but I also ...