Request comment: list of IPs to block outbound

Sun Oct 13 16:40:09 UTC 2019

Hi,

On Sun, Oct 13, 2019 at 08:58:17AM -0700, Stephen Satchell wrote:
> The following list is what I'm thinking of using for blocking traffic
> between an edge router acting as a firewall and an ISP/upstream.  This

> fe80::/10           Link            Link-local address.

most people allow that range as blocking it will drop NA/NS packets with the upstream router which in turn can delay the establishment of the BGP session (provided there is one over IPv6).

best

Enno

-- 
Enno Rey

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Twitter: @Enno_Insinuator