Questions tagged [netstat]

analysis tool for statistics about active connections, open sockets, routing tables; in general the networking subsystem.

74 questions
171
votes
8 answers

How to check opened/closed ports on my computer?

How to check the opened/closed ports on my computer? I used netstat -a on command line. Does the port status "LISTENING" indicate that the port is open? Is any port, that is not shown in the output, closed?
Router
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110
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3 answers

netstat or alternative in docker ubuntu server 16.04 container

Was netstat removed in 16.04 ? Is there an alternative to netstat available in 16.04 ? Or how do I install netstat in 16.04 ? I am running an ubuntu:16.04 container in docker for Windows , it seems that netstat is no longer available... It is…
Duncan Gravill
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54
votes
2 answers

What's the difference between port status "LISTENING", "TIME_WAIT", " CLOSE_WAIT" and "ESTABLISHED"?

I use netstat to check my port status. I was wondering what's the difference between port status LISTENING , TIME_WAIT , CLOSE_WAIT , FIN_WAIT1 and ESTABLISHED ?
Router
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53
votes
2 answers

netstat: command not found

I installed xampp to run a server as part of a guide, but it wasn't working. After trying to run it from command line, I got the following output: $ sudo ./xampp start panel Starting XAMPP for Linux 8.1.6-0... XAMPP: Starting…
Dr-Bracket
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53
votes
3 answers

has netstat been replaced with a new tool?

Has netstat been replaced by a newer program? I noticed netstat is part of the nettools package which was replaced by ip command. What program should i be using to check see open/listening ports on my local computer?
MoonManT
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18
votes
1 answer

How to find the running network services and the port and user

I want to find a list of all network services running on my system, including details of the port and services and the users. I know that I need to use netstat, ps and fuser. but I don't know how to write the command. Do I need to write a shell…
Mohammad Nikkhou
  • 217
15
votes
4 answers

Strange connections by gvfsd-http --spawner

For a little while now, a strange connection has been showing up on my netstat made by the command: /usr/lib/gvfs/gvfsd-http --spawner :1.1 /org/gtk/gvfs/exec_spaw/2 By the time I notice it, the connection is always at the closed state. Every time I…
mloman
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11
votes
1 answer

How to show listening ports and TCP connections to the ports

Does anyone know what exact netstat commands in Ubuntu Server to use to show: Ports listening on on the server Current TCP connections to those ports
fantamoja
  • 143
9
votes
2 answers

Format of IPv6 addresses in the netstat output

When I use netstat -n , it won't display the whole IPv6 addresses. The local ip address is in this format xxxx:xxxx:xxxx:xxxx:portNum , so just a part of the address is displayed. Also the foreign addresses aren't displayed in the full format. Why…
sykatch
  • 193
9
votes
3 answers

What does the -tulpn option mean for netstat?

For finding out which ports of the machine are being opening by which services, I used: netstat -tulpn I checked the man page for netstat command, but I found nothing about this option. What's the meaning of the -tulpn option?
Mohi Rostami
  • 291
7
votes
4 answers

Get current ssh session's originating IP without being superuser

I am trying to find out the current ssh session's originating IP address. I found the following to be useful, but it requires sudo: $ sudo netstat -tapen | grep ssh | awk '{ print $5}' | sed '/0.0.0.0\|::/d' 192.168.1.1:60119 99.xxx.xxx.xxx:1213 Is…
Tfb9
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6
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1 answer

Something is listening on port 53

I want to set up bind9 , but something is listening on port 53. It's local address is ubuntu.ubuntu-do:domain. How to disable it, so it wouldn't listen anymore? I think it is dnsmasq , but still I don't know hot to disable it.
fufs
  • 61
4
votes
2 answers

How to identify process' serving 127.0.0.53:53 and 127.0.0.54:53?

I setup an Ubuntu 24 machine. I just wanted confirm what processes are serving 127.0.0.53:53 and 127.0.0.54:53 so I ran the below-mentioned command; however, I only see dash under PID/program columns. Please let me know if any work around.…
Mike IT Expert
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4
votes
1 answer

A strange path is being printed for an entry when netstat command is used?

When I used the netstat -a command to check for active connections, I encountered this entry under active unix domains sockets(servers and established) Proto Refcnt Flags Type State I-node Path unix 2 [ ] DGRAM 32773…
ddehhiorrty
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4
votes
2 answers

Difference between netstat and ss and how to convert commands?

what's the equivalent using ss command ? netstat -antp netstat -lntp what's the difference if we use ss with no hyphen and with ss -a ? what does this command do for us ss -antlp ?
Ven Ven
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