nanog mailing list archives
Re: Question re session hijacking in dual stack environments w/MacOS
From: Owen DeLong <owen () delong com>
Date: Fri, 16 Oct 2015 11:50:52 -0700
On Oct 2, 2015, at 00:46 , Valdis.Kletnieks () vt edu wrote: On Fri, 02 Oct 2015 00:46:47 -0500, Doug McIntyre said:I suspect this is OSX implementing IPv6 Privacy Extensions. Where OSX generates a new random IPv6 address, applies it to the interface, and then drops the old IPv6 addresses as they stale out. Sessions in use or not.Isn't the OS supposed to wait for the last user of the old address to close their socket before dropping it?
No… It just waits for the valid lifetime to expire. Privacy addresses don’t refresh their preferred lifetime and start counting the valid lifetime from preferred expiration IIRC. Owen
Current thread:
- Re: Question re session hijacking in dual stack environments w/MacOS Dovid Bender (Oct 01)
- <Possible follow-ups>
- Re: Question re session hijacking in dual stack environments w/MacOS Doug McIntyre (Oct 01)
- Re: Question re session hijacking in dual stack environments w/MacOS Valdis . Kletnieks (Oct 02)
- Re: Question re session hijacking in dual stack environments w/MacOS Mark Andrews (Oct 02)
- Re: Question re session hijacking in dual stack environments w/MacOS Doug McIntyre (Oct 02)
- Re: Question re session hijacking in dual stack environments w/MacOS voytek (Oct 02)
- Re: Question re session hijacking in dual stack environments w/MacOS Owen DeLong (Oct 16)
- Re: Question re session hijacking in dual stack environments w/MacOS Valdis . Kletnieks (Oct 02)
- Re: Question re session hijacking in dual stack environments w/MacOS Owen DeLong (Oct 02)
- Re: Question re session hijacking in dual stack environments w/MacOS Mark Tinka (Oct 07)