Hello,
Is there a way to be notified whenever a new connection is made on a wireless router? Basically, be made aware whenever someone establishes a connection/get assigned an IP on the network?
Thank you for the guidance,
Daniel
Some routers may offer this feature, but the simplest is ARPWatch. Run it on a linux box to get emailed every time a new MAC connects and/or asks for an IP.
I should have given a few more details.
Router: Linksys WRT54G Router OS:WinXP
Daniel
Daniel hath wroth:
OK. You've somewhat redeemed yourself. However, you didn't mention the Linksys WRT54G hardware version or whether you're running the stock Linksys firmware, or a more suitable alternative (DD-WRT).
Arpwatch is the right answer for Linux. There's a Windoze version, but the original site seems to be gone. Archived at:
All it does is monitor the ARP cache. Start -> run -> cmd arp -a Be sure to read the Help. It's rather interesting. There's no alarm for new connections so that's not going to work for your application.
You probably want AirSnare:
If you're running DD-WRT, you can run the Linux version of arpwatch on the router itself, which is really convenient. The catch is that it will display all attempts to connect, even if unsuccessful. In order to negotiate a wireless encryption key, it first has to register a MAC address in the MAC address table. Here's my output: | # arp -a | ? (192.168.1.11) at 00:02:B3:1E:39:ED [ether] on br0 | ? (192.168.1.50) at 00:40:05:C7:1C:44 [ether] on br0 | dsl-63-249-85-gateway.cruzio.com (63.249.85.1) at 00:10:67:00:D0:9B [ether] on vlan1
The first is my desktop. The 2nd is a bridge to the neighbors. The dsl-etc is my internet connection.
Also, Google for "Intrusion Detection System".
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