IPv4 source routing options and IPv6 Type 0 Routing Header

Fernando Gont fernando at gont.com.ar
Sun Jun 29 11:12:02 UTC 2008

At 03:44 a.m. 26/06/2008, Randy Bush wrote:

>source routing is still requested and sometimes mandated at inter-as
>borders. for the reasons deepak stated.  note that this does not expose
>any vulnerability.  source routing is only dangerous to hosts.

Well, it can be used as an amplification mechanism for bandwidth 
consuption attacks (although it is not as effective as the Type 0 
Routing header of v6, because of the limited space in the v4 header).


Kind regards,

Fernando Gont
e-mail: fernando at gont.com.ar || fgont at acm.org
PGP Fingerprint: 7809 84F5 322E 45C7 F1C9 3945 96EE A9EF D076 FFF1

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