[anti-abuse-wg] RBL policy

Please be aware that my understanding is of the general principles employed by the various Spamhaus block lists. I have no role in compiling the block lists — that is the remit of a completely different team. I can talk to the generalities but not to specifics as I have no more insight into specifics than anyone else with access to the Spamhaus Projects' Blocklist Removal Centre at <https://www.spamhaus.org/lookup/ <https://www.spamhaus.org/lookup/>>.

And I’ll decline to post the rest of my reply following the abuse up thread.

All the best

Simon


> On 30 Jan 2017, at 09:39, Simon Forster <simon-lists at ldml.com> wrote:
> 
> 
>> On 30 Jan 2017, at 06:13, ox <andre at ox.co.za> wrote:
>> 
>> Hello All,
>> 
>> May I please solicit some comments about Abuse Block lists
>> (Without detracting from RFC 5782 and RFC 6471 or :
>> https://www.ripe.net/publications/docs/ripe-409 )
>> 
>> Firstly, the background for the start of this thread is simply: As the
>> use of machine learning technology is now also applied and adapted for
>> the use of cyber criminals (including spammers, scammers, etc) the
>> rules and what is socially acceptable is and has changed. Global
>> politics, protectionism, nationalism and the other 'isms' are also
>> causing change.
>> 
>> Considering that DNSBL tech is "reactive" (after he abuse)
> 
> This statement appears to be exclusionary — and is one often levelled against DNSBLs. All DNSBLs are not wholly reactive.
> 
> Firstly, one needs to acknowledge that all DNSBLs are not they same.
> 
> Secondly, some listings in some DNSBLs are proactive. i.e. Made before abuse is seen. As I work for the commercial arm of Spamhaus, I know their offerings quite well and can confidently state that some of the Spamhaus block lists contain proactive and/or precautionary listings. I imagine SURBL does likewise. Other block lists probably have similar policies / inputs.
> 
> Simon
> 
> 
>> The block time policies of RBLs 
>> ***********************************
>> There are two main types of block lists: No automatic removal and
>> automatic removal
>> 
>> Is the policy to auto de-list after a period of time, still accurate? 
>> 
>> Considering the change in abuse patterns and technology, should the
>> block times be increased or de-creased?
>> 
>> Does society require more specialist non auto de-list DNSBLs?
>> (Would it be helpful to law enforcement to have a "child pornography"
>> dnsbl? or a phish dnsbl? - or is the reactive time to high in order
>> for dynamic ipv4? - but on ipv6 allocations to devices could be more
>> 'permanent'? etc)
>> 
>> Andre
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