ICMP redirects and FreeBSD

Brian Seklecki (Mobile) lavalamp at probikesllc.com
Sun Sep 18 05:32:52 UTC 2011

On Sat, 17 Sep 2011, Brett Glass wrote:

> Here's a networking question: Does FreeBSD generate and accept ICMP 
> redirects? Is it controllable via tuneables? How long do routing tables

$ sysctl -d net.inet.ip.redirect
net.inet.ip.redirect: Enable sending IP redirects

Accepting them sounds like the job of a userland routing daemon.

Only a few unsound routing/network topology configurations really depend 
on redirects these days; They can't be trusted because they can't be 
authenticated?  ~BAS

> generated by ICMP redirects last?

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