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Date:      Mon, 9 May 2016 11:02:42 +0200
From:      Nick Hibma <nick@van-laarhoven.org>
To:        freebsd-net@freebsd.org
Subject:   PR 166255 - disable promiscuous mode warning via sysctl
Message-ID:  <52FB7430-BC4D-4157-94FB-4245BA1C3066@van-laarhoven.org>

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Folks,

In PR 166255 [1]  it is suggested to allow disabling ‘promiscuous mode enabled’ warnings. It adds a sysctl to allow toggling this behaviour. I have a number of questions before I commit the patch:

	- are there any security related considerations wrt disabling this warning?

	- any other warnings that could be useful to disable/enable

	- is the sysctl name net.link.log_promisc_mode_change , to be set to 0 to disable, suitable (compare: net.link.ether.inet.log_arp_warnings)?

	- perhaps a different value for that sysctl to warn only the first time? Not warn again within the next 10 minutes? etc.

I’d appreciate your suggestions.

Nick Hibma
nick@van-laarhoven.org


[1] https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=166255 <https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=166255>;



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