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Tue Nov 29 10:43:08 WST 2011


<quote>

Source routing lets the source of a packet specify the route the packet
is supposed to take to its destination, rather than letting each router
along the way use its routing tables to decide where to send the packet
next. Source routing is supposed to override the instructions in the
routing tables. 

In theory, the source routing option is useful for working around
routers with broken or incorrect routing tables; if you know the route
that the packet should take, but the routing tables are broken, you can
override the bad information in the routing tables by specifying
appropriate IP source route options on all your packets. 

In practice though, source routing is commonly used only by attackers
who are attempting to circumvent security measures by causing packets to
follow unexpected paths.

</quote>

There are kernel options to turn it off for the latter reason.

Ryan

On Tue, 2003-06-10 at 11:37, Derek Fountain wrote:
> In network parlance, what does the term "source-routed" mean?
> 
> -- 
> "...our desktop is falling behind stability-wise and feature wise to KDE 
> ...when I went to Mexico in December to the facility where we launched gnome, 
> they had all switched to KDE3." - Miguel de Icaza, March 2003
> 
> 




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