Firewall question
Anne Wilson
cannewilson at googlemail.com
Thu May 15 11:42:13 UTC 2008
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.
Anne
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