On Thu, 2008-05-15 at 12:42 +0100, Anne Wilson wrote: > In another thread Tim Evans said: > > You can, however, configure iptables to *allow* only a specified list of > IP addresses (i.e., the ones you approve of). > > This set me wondering. If you use wifi hotspots to collect mail, for > instance, you have no idea what IPs you will be using. Is there any way that > the system can recognise the computer rather than the IP? I'm guessing it > must be possible, as my on-line bank knows immediately if I use a computer > that I haven't used before. You collect mail by connecting from your machine to a server, so firewall rules that block *incoming* connections won't affect you. Recognizing the computer rather than the IP is not a firewall-level question (more correctly: it's not a packet-filter level question, which amounts to the same thing for most people). As others have pointed out, this is one of the things cookies are used for. poc -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list
