Messages in this thread | | | From | (H. Peter Anvin) | Subject | Re: ICMP redirect ignored | Date | 27 May 1996 20:06:06 GMT |
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In article <4ocg4o$42j@flint.inr.ac.ru>, really kuznet@ms2.inr.ac.ru <inr-linux-kernel@ms2.inr.ac.ru> 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.
-hpa
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