From: Michael Dillon <michael@memra.com>

[Copyrighted text was deleted] Source address checking ... hm-m, pretty idea, but it do not very large help - it is very simple to make login to some public (or not very protected) host and produce SYN flood from legitimate address. At least one day server would be blocked. And after that - force shutdown communication between server and this public host (net) BY SERVER OWNER HANDS ! - Leonid Yegoshin, LY22