Networking software that control other computer and can manage through internet?

i have 2 computers, already network w/ file and internet, I am using dlink routers, both computers are using windows xp. i want to control my second computer remotely like control monitor,keyboard and mouse. what software do i need to use.?and also i want to control other computers through internet connection.


how can i used log domain security? but my 2 computers are both windows xp pro. it is possible not to use windows 2000 server ?Networking software that control other computer and can manage through internet?
Something like PCanywhere is a good program for this.Networking software that control other computer and can manage through internet?
windows xp and vista both come with remote desktop. you just have to set the users on both computers with passwords, well that is what i had to do with my g/f comp to be able to control it from mine. but it works well, so there is no need for extra 3rd party software for doing that.