Hoos connected to my Airport?
 

Is their any way to see who is connected to my Airport Express? or how many people are connected to my Airport Express? Like you can on OSX server?

My 1mb connection regulaly goes slow and I want to reassure myself no one in the street is stealing my bandwidth! (it is password protected) :D

You can try the Airport Management Tools, which you can download from here: http://download.info.apple.com/Mac_O...ementTools.dmg

I don't think they are Universal, so you've had it if your machine is Intel. Use the monitor options - should show all connected machines on the network.

check these links

http://www.versiontracker.com/php/se...macosx&x=0&y=0

http://bengross.com/wireless.html (scroll down to mac os x section)

http://www.apple.com/support/airport/

If you have access to a cheap PC, you may want to download an ISO of auditor live cd, which will run off x86 based hardware. It has wep/wpa crackers/analyzers, system security analyzers, port scanners, packet sniffers, all that great stuff and it will audit how secure you are.

Unfortunately, I do not know of any package like that for macintosh hardware. however, networking is a standard, so if you were to get a cheap PC, or even an older PC laptop you could run auditor on it and check out your security.

There is also some admin tools in the airport admin app under /Applications/Utilities

You may want to look there first.

You could also run the Network Utility (/Application/Utility/ Folder) and use the Netstat - routing table information.
It should show you all the IP Address of connected devices.
There is also an Application I run called IP Scanner and it shows the connected devices, the free version will only show 4 connected devices.

Does anyone know how to do this from the command line?

Thanks,

Bill J.

I would start here

http://www.ss64.com/osx/

And then, when you start banging your head against the wall given the amount of unix command-line stuff, having a look at tcpdump is probably an even better idea to see all packets on your AirPort connection fly by.

A well set-up WPA connection should be secure enough for non-spook-agency use. There may be 2,4 GHz interference or flakiness on the ISP-side responsible for your speed problems.

traceroute slow connections, look at DNS response speed etc.

What perimeters would you recommend using with tcpdump to capture computer specific AirPort use like Macs and PCs?

Thanks,

Bill J.

sudo tcpdump -i en1

will get you all AirPort traffic, whether it was meant for your machine or not, type

man tcpdump

for further detail how it works.

I think it is easier to follow what is happening if you use 'tcpflow' (available via Fink) instead of 'tcpdump'.
E.g.:
To catch all transmissions over Airport:
sudo tcpflow -i en1 -c
To catch TCP transmissions:
sudo tcpflow -i en1 -c tcp
To catch HTTP transmissions:
sudo tcpflow -i en1 -c tcp port 80

Of course, using Ethereal is probably even easier.