Subject: Re: BOOTP support (change request)
To: None <jonathan@dsg.stanford.edu>
From: Koji Imada - je4owb/2 <koji@gin.math.human.nagoya-u.ac.jp>
List: tech-net
Date: 05/22/1997 23:33:39
>>>>> "|" == Jonathan Stone <jonathan@DSG.Stanford.EDU> writes:
|> I think that would mean adding:
|> * ip_input checking for a dest addr of INADDR_ANY, and
|> dropping packets that aren't IPPROTO_UDP;
|> * udp_input checking for destaddr of INADDR_ANY,
|> and silently dropping such packets if the destination
|> port isn't the bootp client port.
|> * I assume the in-kernel bootp client is already checking the xid,
Processing IP address which is not ifconfig'ed to interface is useful
for other purposes(such as transparent proxy). I don't like such bootp
specialized implementation.
To achieve such filtering only for bootp, bpf may be appropriate, i
think.
--
Koji Imada - je4owb/2
koji@math.human.nagoya-u.ac.jp