Spamhaus flags any IP announced by our ASN as a criminal network

Brandon Zhi Brandon at
Wed Mar 22 14:17:12 UTC 2023

Hello Barry,

Thanks for your blog.

I plan to block some ports on our router, which are shown in your blog.

> Step 1 on the list …. Deploy Exploitable Port Filtering on the edge of
> your network ….

Some of our routers use Linux as the operating system, so I plan to use
nftables to make some filtering rules.


*Brandon Zhi*
HUIZE LTD  <>| | Twitter

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On Tue, 21 Mar 2023 at 00:11, Randy Bush <randy at> wrote:

> this company(s) is in the business of spam.  they're just trying to
> game nanog.  discussing further a waste of pixels.
> ranady
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