View Full Version : [SOLVED] background internet access

July 1st, 2010, 04:14 AM
I noticed that the activity lights on my wifi router were going off, so I checked my system monitor, and noticed that I was downloading between 5 and 15 KiB/s. I didn't have the internet up, and wasn't running anything that should be connecting to the internet. Is this normal? If not, what can I do to stop it?

I am running Ubuntu Lucid on a EeePC 1005ha

July 1st, 2010, 04:27 AM
Are you saying your internet connection was disconnected, but the System Monitor still showed network activity? Use 'sudo netstat -a' to investigate.

July 1st, 2010, 05:19 AM
Oops. Sorry, let me clarify. My wifi connection was on, but the browser was not open, no downloads were running, online games, etc. I didn't see anything in the process list that looked like it would be the culprit. Hope this helps, I am new to the whole Linux based OS, been running windows for the majority of my life.

July 1st, 2010, 06:01 AM
Well, if you want people to look at what's going on, post the output of sudo netstat -tunp

July 2nd, 2010, 01:09 AM
Well, its not doing it as bad as it was before, peaking a 2 KiB/s

Here is the output that you wanted to see

Active Internet connections (w/o servers)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 TIME_WAIT -
tcp 0 0 TIME_WAIT -
tcp 0 0 TIME_WAIT

July 2nd, 2010, 01:16 AM
I think your computer is just periodically talking to your router. My laptop does the same thing. It's no huge deal. If you were seeing speeds of 200 Kb, for example, then that would be cause for concern. Actually at that point it might be okay to go ahead and panic.

July 2nd, 2010, 02:23 AM
K. I live at home with my parents, and my Dad was the one who was flipping about it, so I was trying to figure out what it was to appease him.

Another question,would the output of sudo netstat -tunap help too?
I accidentally typed that in instead, and it gave me a list of what is currently accessing the network.

What are these, and do they need to be running?

Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0* LISTEN 1016/cupsd
tcp 0 0* LISTEN 842/mysqld
tcp 1 0 CLOSE_WAIT 2004/gvfsd-http
tcp6 0 0 ::1:631 :::* LISTEN 1016/cupsd
udp 0 0* 1541/dhclient
udp 0 0* 713/avahi-daemon: r
udp 0 0* 713/avahi-daemon: r

July 2nd, 2010, 02:46 AM
That stuff looks normal to me. Grant you my knowledge in this area is limited.

Have your Dad take a look at the Network Monitor on what I am willing to bet is his Windows machine. I'm also willing to bet that his machine is doing the same thing. If it is then tell him I said he can stop freaking out.

July 3rd, 2010, 03:05 AM
K. I seems kinda odd to me that it would talk to the router every few seconds, but this isnt my forte either.

Thanks for the help, guess I'll mark this thread as solved.

July 3rd, 2010, 03:11 AM
All my computers do the same. The HD light will flash once and awhile on my Windows 7 box and I see both network and HD activity on my Linux boxes.