lkml.org 
[lkml]   [1997]   [Nov]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: teardrop and Linux as a router
On Mon, 24 Nov 1997, Alan Cox wrote:

> > else if((ntohs(ip->tot_len)<8+(ip->ihl<<2))&&(ip->protocol==IPPROTO_TCP \
> > || ip->protocol==IPPROTO_UDP))
> > return FW_BLOCK;
> > [...]
> >
> > methinks that blocking those "ugly" packets without any notification
> > is a crime ;-) What about a simple patch ? (attached below)
>
> Now allow me to send you millions of them filling your disk, driving your
> load through the roof and generally becoming a denial of service issue.
>
> Also such tcp packets are possible in a purely theoretical view of the RFC's
>

Just line synfloods theses packets should be labled 'possible attack' and
should be logged with flood protetction..


\
 
 \ /
  Last update: 2005-03-22 13:40    [W:0.132 / U:0.248 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site