Re: Limit the number of Router Advertisements processed on an interface

Michael Richardson <[email protected]> Wed, 15 Jun 2022 11:56:22 -0400
Newsgroups gmane.linux.debian.devel.ipv6
Message-ID <23129.1655308582@localhost>
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Dheeraj Kandula <[email protected]> wrote:
    > *Why?*
    > This is to avoid DOS attacks using RAs from being bombarded onto a linux
    > machine.

Well, you might be able to rate limit them with ip6tables/nftables, but I see
no point in only listening to the first X of them. You might as well just
disable them and configure a static IPv6.

You should also check out "RAGuard" functionality on your L2 switch.
RFC6105.


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