Your sarcasm detector might need a bit of a tweak. :) On Fri, Jan 11, 2019 at 9:18 PM Viruthagiri Thirumavalavan <g...@dombox.org> wrote:
> While we're at it, let's deprecate IPv4 now that IPv6 is fully deployed > > > Come on Mr. Herrin. > > Blocking a port is much easier than deprecating a heavily used protocol. > Google stats show ~75% use IPv4. > > On Sat, Jan 12, 2019 at 7:30 AM William Herrin <b...@herrin.us> wrote: > >> On Fri, Jan 11, 2019 at 5:52 PM Viruthagiri Thirumavalavan >> <g...@dombox.org> wrote: >> >> In addition, it bypasses all the security folks have built around the >> >> idea of blocking port 25 traffic from sources which should not be >> >> operating as mail servers. Let's not make the network less secure in >> >> the name of making it more so. >> > >> > I already addressed this issue in the "security considerations" section. >> > >> > "Port 26 will be a secure alternative for Port 25. So Internet Service >> Providers are adviced to take precautions to prevent email spam abuse. They >> are advised to block port 26, if necessary." >> >> While we're at it, let's deprecate IPv4 now that IPv6 is fully deployed. >> >> -Bill >> >> >> >> -- >> William Herrin ................ her...@dirtside.com b...@herrin.us >> Dirtside Systems ......... Web: <http://www.dirtside.com/> >> > > > -- > Best Regards, > > Viruthagiri Thirumavalavan > Dombox, Inc. >