I have dynamic IP addresses on my home network connected to router/ ADSL modem - I gather this is sensible from the security point of view. Is there any article re instructions on how to make such a system accessible over the internet without compromising security? I gather I need some way of allocating IP addresses eg DHCP but am pretty mixd up about the whole thing. I've also given up trying to sort the same issues with my X-vision CCTV software.

Any help or pointers very much appreciated, meanwhile I'll keep Googling,