de-peering for security sake

Baldur Norddahl baldur.norddahl at
Sat Dec 26 15:19:15 UTC 2015

On 26 December 2015 at 16:09, Stephen Satchell <list at> wrote:

> On 12/26/2015 06:19 AM, Mike Hammett wrote:
>> How much is an acceptable standard to the community? Individual /32s
>> ( or /64s)? Some tipping point where 50% of a /24 (or whatever it's
>> IPv6 equivalent would be) has made your naughty list that you block
>> the whole prefix?
> My gauge is volume of obnoxious traffic.  When I get lots of SSH probes
> from a /32, I block the /32.  When I get lots of SSH probes across a range
> of a /24, I block the /24.

Do you people have nothing better to do than scan firewall log files and
insert rules to block stuff that was already blocked by default?

Hint: if ssh probes spams your log then move your ssh service to a non
standard port.



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