The sent a packet of this type.
Disassociation frame: A station sends a disassociation frame to another station if it wishes to terminate the association. For example, a radio NIC that is shut down gracefully can send a disassociation frame to alert the access point that the NIC is powering off. The access point can then relinquish memory allocations and remove the radio NIC from the association
I know this. Security was my job at one time, and at a time when wireless networks started being used by the Army -- they were quite paranoid about the security implications. People in my section would go war driving to find unauthorized wireless networks and authorized ones that weren't properly secured.
It's sad I missed a bit of fun. I was about to get a new job where I would get to go wardriving in my cool little sports car, but the contract got cancelled due to deployment. I already had plans to clamp the directional antenna to the rollbar (with a handle for pointing it) and have a laptop on a mount by the passenger dashboard.
Oops, I see why you wrote that. deauthenticate = disassociate. WTF would "deauthenticate" mean?
Typing faster than my brain.
Wait a minute, you're taking advantage of someone who's not had enough coffee yet. Deauthenticate was right, but disassociate is technically right too.
Anyway, one of these days when I get around to it I'll dump the Linksys and set up a Linux router box with WAVEsec and a WAP (use one of those Cyrix chips, keeps the electric bill low). It's just one of the things in the project list, unfortunately other things like mowing the lawn always seem to take precedence (or are necessary to keep me out of trouble with the wife). Fishing seems to take up that time too. :-)