Although you want an easy answer, searching really saves you time in the long run. The chances of having an answer that works for you already posted is good. The chances of someone coming in here in the next 6-12 hours that knows the right answer for your particular situation isn't very good. So searching would not be "wasting time", asking without looking would be.
Just try another port when connecting. If you are lucky, the network/server you want to connect to will accept more than just 6667. In any case, your problem will stem from some internet connection issue on your end (either in your home, or from your ISP).
