Re: Why do we still need IPv4 when we are migrating to IPv6...

2015-02-13 Thread Steinar H. Gunderson
On Fri, Feb 13, 2015 at 02:12:31PM +, Phil Mayers wrote: As above, depends on how they're using the socket API. As a rule for UDP connections, you actually have to put *more* work in to see ICMP errors. It's certainly possible to ignore them. FWIW, at least on Linux, if you keep doing

Re: Why do we still need IPv4 when we are migrating to IPv6...

2015-02-11 Thread Steinar H. Gunderson
On Wed, Feb 11, 2015 at 08:42:00PM +, Anfinsen, Ragnar wrote: I am working with my management team to implement IPv6, but I got an interesting question from one of the managers; Why do we need more IPv4 if we are moving towards IPv6? Maybe because the move is going too slowly? Case in

Re: Something with filters

2014-08-28 Thread Steinar H. Gunderson
On Thu, Aug 28, 2014 at 04:31:22PM +0200, Enno Rey wrote: to be honest, as another security person, I'm not really sure about the benefit of uRPF in the IPv6 world, in some scenarios. imagine a single infected smartphone on LTE, generating connections with potentially 2^64 different source

Re: IPv6 Policy based routing?

2013-04-19 Thread Steinar H. Gunderson
2013/4/19 Dick Visser vis...@terena.org: Cisco says it's not supported on any platform. I'm fairly certain I've done this on 2901. /* Steinar */ -- Software Engineer, Google Switzerland