On Monday 24 March 2003 21:36, James O'Gorman wrote: > What I thought, was if I set up box1.domain.com and box2.domain.com as A > records of my external IP with my ISP, then get iptables to read > 'box1.domain.com' from a string in the header it might work, but > obviously not. Does the IP packet header only contain IP, or address as > well? > The IP packet only contain some primitive information - if you wish to deal with names, then you have to use DNS. You can't store the name information in the packet header. I can recommend that you read about IP headers if you wish to know more about the construction of these magic little packets :-) /Kim
