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

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3
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1answer
136 views

Tons of unknown connections in nethogs

I am seeing hundreds of different connections to the same ip and port scrolling by when running nethogs. Occasionally the foreign IP and port will change (not always 80, but sometimes). I've noticed ...
3
votes
1answer
2k views

Accounting for /proc/net/dev reported traffic

I noticed that according to /proc/net/dev I am constantly receiving around 6Kb/s on my wireless usb interface. But I can't account for anything even close to that with the individual connections that ...
2
votes
0answers
73 views

How do I find out how long a socket is in CLOSE_WAIT?

I have a server relatively with a high number of sockets in CLOSE_WAIT I want to know the age of each socket, to know if it's a real problem (sockets not getting closed) or that the sockets are ...
1
vote
0answers
15 views

Count all network requests to a specific host

I have a mock server running on my localhost that mocks out a back end service that I need for my app. One thing that I want to do is count the number of requests [GET, POST, PUT, DELETE,...] that my ...
1
vote
0answers
35 views

How can I log outgoing TCP traffic including the full path of URLs?

I use a program regularly on Linux that makes a TCP request when it starts up and updates a file with an access token before launching. I'd like to write a batch script that makes this request (using ...
1
vote
0answers
143 views

Command for finding open ports

On my linux servers I have this alias set: alias ns="sudo lsof -Pi|grep -v ESTABL|grep -v CLOSED|grep -v -e '->' | tr -s ' ' '\t' | awk '{print $3 "\t" $8 "\t" $5 "\t" $9 "\t" $1}'| column ...
1
vote
0answers
277 views

Information about the 1630/master app

When I run $ sudo netstat -a --programs | grep LISTENING | grep 1630 I will get this output. Do you know what good are processes running under this app name? Why they I running on my system and if ...
0
votes
0answers
26 views

what doesn't Tomcat doesn't show up when I grep netstat's output for 8080

I am doing the following to determine if Tomcat is running: $ whoami voops voops@esavo00:~/apache-tomcat-7.0.57/bin# $ ps -ef | grep -i tomcat | grep -v grep voops 8973 1 0 Apr22 ? ...
0
votes
0answers
17 views

Which flags should I use for my “netstat” commands?

I would like to use two variants of the netstat command; one exclusively for IPv4 and the other exclusively for IPv6 traffic. In both cases I would only like to list the following information: ...
0
votes
0answers
20 views

how do I disable the firewall through YaST?

The fine manual states: The Start-Up section defines how your firewall will start. You can either have the firewall start automatically when booting (recommended), or you can set the firewall ...
0
votes
0answers
61 views

can't connect to remote host with MySQL…firewall problem?

I've granted privileges to thufir for remote access through the shell (correct?), but cannot seem to actually connect. The router firewall has SPI to off. I've disable the IPv6 firewall on the ...
0
votes
0answers
15 views

why do I have so many open socket handlers and netstat DGRAM entries?

I run on a RPi (Raspbian 3.12.35+ #730 PREEMPT Fri Dec 19 18:31:24 GMT 2014 armv6l GNU/Linux) a daemon in Python 2.7.8 which queries various APIs via requests and provides itself an API for another ...
0
votes
0answers
72 views

Why doesn't syslog traffic show up in netstat and lsof output?

I've noticed on my CentOS 5.x system that outbound syslog traffic (UDP) doesn't show up in lsof or netstat results. I've even tried stuff like watch -n .1 'netstat -l -u -n --program' to make sure ...
0
votes
0answers
53 views

xfrm and xfrm gc stats

Are there any stats related to the XFRM and XFRM garbage collector? I am unfortunately running on a ubuntu 10.04 and cannot upgrade. /proc/net/xfrm_stat is not available. I am chasing some ipsec ...
0
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0answers
21 views

Detailed protocol statistics with ss?

What replaces netstat -es? ss -s doesn't provide nearly enough protocol level statistics.
0
votes
0answers
57 views

Why SAMP is not listening to the port

I have forwarded 38474 port to internal port 7778. Then I launched San Andreas Multiplayer on my CentOS server. When I'm typing netstat -npl I see this: Proto: tcp Recv-Q: 0 Send-Q: 0 Local Address: ...
0
votes
0answers
665 views

port being in use not displayed in netstat output

In what scenarios port being used by a process don't show up in netstat -a output. I'm running jenkins on my machine. It's listening on port 8080. I'm trying to start another process that tries to ...