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Questions tagged [netstat]

netstat is a tool for viewing active network connections, listeners and sockets.

netstat is a tool for viewing active network connections, listeners and sockets.

322 questions
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Problem with too many local connections

I have a problem with my server (VPS). It's veeery slow. Checking the connections with netstat, there are a lot of internal connections. I don't understand why! It's normal all this connections? # netstat -anp Active Internet connections (servers…
Lito
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FileMaker Server not listening on Port 2399 for ODBC/JDBC

I am trying to create a ODBC connection from an OSX machine to a Filemaker server 10 using a DataDirect SeQuel Link 5.5 JDBC drive. I have ODBC/JDBC enabled on the server and I followed all of the instructions to set up JDBC properly (and the…
Greg_the_Ant
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WinServer 2003: Cant find process holding onto ports

We have a couple of production WCF services failing to start because their ports are apparently in use by another process. I have done a netstat -ano and found the PID's that are using these ports, which are all in the LISTEN state. The ports for…
MrLane
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Is this normal? Multiple httpd process

I'm testing a new Server. This isnt really a peak time for my server (2pm), but still its running a bit slow, I was checking the ESTABLISHED connections using the following command: # netstat -ntu | grep :80 | awk '{print $5}' | cut -d: -f1 | sort |…
ilcreatore
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How to speed up a server using netstat & httpd.conf?

I'm using netstat commands to help optimize my httpd.conf correctly. Here are the results: netstat -an | grep -c :80 579 netstat -anp |grep 'tcp\|udp' | awk '{print $5}' | cut -d: -f1 | sort | uniq -c | sort -n 134 207.x.xx.134 //This was the…
Moe
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How to monitor real time sendq and recvq sizes

netstat -an will give the recvq and sendq on a particular connection. When I have an application (in this case a dumb echo server) listening on a port and I put the load on and run netstat in a loop, I see ALL connections to this port on TIME_WAIT…
kakinada
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Why can't I access my Linux FTP (vsftpd) server?

I've just installed vsftpd, and started the service. The service is running, and my netstat dump shows it (See below). I've also enabled anonymous access for good measure. However, when I try to access the server with an FTP client, or even just…
Yarin
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Port 8080 not visible while doing netstat?

While trying to run Tomcat on my Windows 2003 OS, I am noticing that the server is not running but at the same time it is not throwing any exceptions on the console. My first hunch was that the server configs are not picking up port 8080 or maybe…
sc_ray
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netstat reports PID that doesn't exist - wtf and how do I close it?

I have an app that listens on port 7001, which sometimes crashes but leaves the port open. netstat reports a PID that doesn't exist. How is that possible? How can I force the port to close without restarting the machine? C:\>netstat -a -o Active…
Joe Daley
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In "The Social Network", what linux program is Mark using to monitor traffic in near real-time?

Possible Duplicate: How to watch logs in real time via Terminal? The scene where Mark is monitoring TCP/IP connections to his Facemesh website, and comments "look at all this traffic". What program was he using? Netstat?
user60596
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Netstat - Thunderbird and others work on strange ports

I'm getting this: $ sudo netstat -alpv tcp 0 0 comp.local:35409 ey-in-f16.1e100.n:imaps ESTABLISHED 2782/thunderbird-bi tcp 0 0 comp.local:52950 ew-in-f16.1e100.n:imaps ESTABLISHED 2782/thunderbird-bi Why is…
Tomasz Zieliński
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Windows server 2008 & SQL - many connections in TIME_WAIT

When I run netstat, I get this: TCP xxxx:65524 65.55.11.162:80 TIME_WAIT 0 There are 13941 of such lines in netstat at this point. Server is running Windows 2008 & SQL Server 2008. Task manager & process explorer don't show…
bh213
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Port listed as close-combat in netstat

Have just run netstat -A on my SQL Server and seen an established connection from one of our workstations on bmcw000340.domain:close-combat. My google-fu is failing me and I can't find out what close-combat is... does anyone know?
Paul D'Ambra
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Netstat and strange activity

when i did some monitoring network activity of my server, using netstat -na, in a sec i noticed next, for me strange line: first it was: tcp 0 0 XXX.XXX.XXX.XXX:22 YYY.YYY.YYY.YYY:48085 SYN_RECV and few seconds after i…
user48058
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Is this hacking attempt?

on command netstat -na, between others, i'm getting next line: tcp 0 0 XXX.XXX.XXX.XXX:48746 YYY.YYY.YYY.YYY:80 TIME_WAIT is this some kind of hacking attempt? can you give me in a few words what number 48746 means. thank…
user48058
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