Fine, thanks for your answer, I'll then use a subnet IP in my pg_hba.conf. Because, as far as i understand well your answer, the address terminating with 18cf might change after a computer restart...
Also on the linux side i had to do something to fix IPV6 address otherwise it was changing at every WiFi connection/deconnection... 2012/11/3 Martijn van Oosterhout <klep...@svana.org> > On Sat, Nov 03, 2012 at 09:11:51AM +0100, Yvon Thoraval wrote: > > I'm using to computers : > > - a laptop under Xubuntu 12.04 with PostgreSQL 9.1 > > - a desktop under Mac OS X Mountain Lion with PostgreSQL 9.2 > > > > After the switch to Mountain Lion, i had a small prob connecting to a > > database on my laptop. > > <snip> > > > However when connecting from desktop to laptop, altough the IPV6 address > of > > my desktop is in my pg_hba.conf,psql rejected the connection because an > > address terminating by "18cf" isn't in my pg_hba.conf. > > > > Then i did verify my mac os x setup showing that this address is a valid > > one for my desktop, in fact my desktop does have up to eight IPV6 > addresses. > > IIRC MacOS X uses the IPv6 privacy extensions which means that clients > will regularly get different source IPs. The machine does this by > adding a new address every now and then. > > A side effect of this is that you can't firewall on specific IP. A few > things I can think of: > > - Find a way to fix the IP address. > > - Use the link-local address (beginning with fe80) as they won't > change. Only works on a single network ofcourse. > > - Allow the whole subnet, rather than individual IPs. > > > Why, in one direction from laptop to desktop i use successfully : > > > > psql -h IPV6-terminating-by-2559 > > > > and the other way, from desktop to laptop this is > IPV6-terminating-by-18cf > > being seen by the laptop's PostgreSQL ? > > Linux does not use privacy extensions by default, so the IP address > doesn't change. Maybe that explains it? > > Have a nice day, > -- > Martijn van Oosterhout <klep...@svana.org> http://svana.org/kleptog/ > > He who writes carelessly confesses thereby at the very outset that he > does > > not attach much importance to his own thoughts. > -- Arthur Schopenhauer > > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.10 (GNU/Linux) > > iQIVAwUBUJTgV0vt++dL5i1EAQiJyg//XevrCIinp0TI6A5mkwzF9ct+QOIaArwI > 2NI1q9TJy1ojWpVX1/YLEEyn4v4SWiULhg3XyNKxE/kYbUWL+ZyAwc9PTf/USTKi > /1+p3dzEinNc68Gu7vNbgc8X7jzg6dPlJdnx68rccac5cnVpgofSZNjGyfDjJDHa > j4+2hjc4eo0vz/MXMstqWZ/WWB77xmQNc10s/NGMSy8YxBY+6PcJ7Al9I/7ntgiE > n6j3N/UyTk1EeLrPfeXScShqjUObGS85WQ8paOtY2D6fax1IbvbucqYyAnoLcvP9 > I47WV2h98rlwAQSD4BfWpDTc0MHvzsHIOM+QU2AyNZ4TKvp+9drKIUHRPAwAzL/n > B5Io5HSFppWJLKOsnybzUhIBob4Rm4lIjONw9mi+B0j6XtXLzIcm/snqkYIYnQwI > VEvkifueIf2p3wH82ccQKC8BUyh4GWKgJNUN/7ZvhQYDbUDWNDHg10vS9vd5imxG > urOpIFfWexLg56lhoRdOvxtc4pz09c0rrNzgLzfhC/RDmOp6lJVDGSwynxhntCYX > QI8rdjTT4/uERBuVFy4T6ZDW7Y4TzznIjVWWOdIfuJHOa+dR0iNBzgWDxKWUPr1i > BJCrY6dirWzJT+jSDR6dF8RdJ/OZ4GhC3lPjkIOQg15m8fSQy/W9FRb+PnRgabTr > LPuKb/12y78= > =tnB1 > -----END PGP SIGNATURE----- > > -- Yvon