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SubjectRe: ICMP redirect ignored
In article <4ocg4o$>,
really <> wrote:
>Matthias Suencksen (msuencks@techfak.uni-bielefeld.DE) wrote:
>: So far, so good, but my question is: why didn't the kernel accept the
>: redirect from the gateway (A). It happended with kernel 1.3.93
>Because you recompiled kernel with "CONFIG_IP_FORWARD".
>Routers must ignore redirects.
>If you really want make "toy" router sensing redirects, define
>"CONFIG_IP_DUMB_ROUTER". But remember, it is just toy.
>If some host on the net really depends on correct functionality
>of your router, you must disable "CONFIG_IP_DUMB_ROUTER" and
>run gated.

However, it is worth thinking about the fact that a kernel compiled
with CONFIG_IP_FORWARD may not have to be a router. In fact, it would
be extremely nice if routing could be enabled/disabled using sysconfig
or something similar.


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