Re: Poll on SMTP over IPv6 Usage

2014-02-19 Thread Daniel Roesen
On Wed, Feb 19, 2014 at 10:54:14AM +0100, Gert Doering wrote: Blocking by /64 by default is likely to get collateral damage. Enough people do shared subnets with multiple customers in the same /64 - while I won't recommend it, it is *done*, and blocking the whole /64 because you have seen

Re: Poll on SMTP over IPv6 Usage

2014-02-19 Thread Marco d'Itri
On Feb 19, Daniel Roesen d...@cluenet.de wrote: This is btw standard setup in the DOCSIS world. All CPEs get a single IP out of a shared /64. In case the CPE is not a customer PC but a router (most customers have that), of course DHCPv6-PD is used to issue prefixes. Nevertheless, there is a

Requirements for IPv6 firewalls (new IETF-ID)

2014-02-19 Thread Fernando Gont
Folks, We have published a new I-D on Requirements for IPv6 Firewalls The I-D is available at: http://tools.ietf.org/html/draft-gont-opsec-ipv6-firewall-reqs-00 The goals of this first (and drafty) version of the document are as follows: 1) Agree on a rationale to write this spec. For

Re: Poll on SMTP over IPv6 Usage

2014-02-19 Thread Noel Butler
Hi Gert, On Wed, 2014-02-19 at 10:54 +0100, Gert Doering wrote: Hi, On Wed, Feb 19, 2014 at 02:45:33PM +1000, Noel Butler wrote: We block only by IP from whatever spam source is used (4, or 6), and rbldnsd handles ipv6 nicely (albeit in /64's - fair enough too, since most end users get