A rule for UDP based services is that until/unless you have in some
sense 'established a connection', you must not send 'a lot' more data to a
host than it has sent you. Until this rule is understood and enforced, we
will be seeing a lot more smurf-like 'magnification' attacks.
DS
>* Through the NQ (NetQuake) Protocol it is possible to send a spoofed
>connect request packet to several <i.e 400 or so> NetQuake Servers. This
>then will result in a flood of attempted "Connect" requests from the
>servers' end to the target machine whether that target machine carries a
>copy of Quake or not. This may be perceived in a similar way to smurf
>attack, although I'm told it requires far less bandwidth "and can be done
>from even a 14.4"
This archive was generated by hypermail 2b30 : Fri Apr 13 2001 - 13:54:28 PDT