Re: tcpmux port opened for dual-stack results

2018-02-25 Thread Jan Schaumann
Konstantin Belousov wrote: > This is getaddrinfo(3) using fake connect(2) to get appropriate source > address for the requested destination. They are used to order the result > set when there is more that one element Interesting - thanks! https://svnweb.freebsd.org/base/head/lib/libc/net/getad

Re: tcpmux port opened for dual-stack results

2018-02-25 Thread Konstantin Belousov
On Sun, Feb 25, 2018 at 03:33:06PM -0500, Jan Schaumann wrote: > Hi, > > I just encountered something that befuddles me: > > On an AWS EC2 instance (ami-d0b520b8, FreeBSD 10.1-RELEASE), I noticed > that 'telnet www.google.com 80' first opens a UDP socket to google's > addresses on port 1, then cl

Problem reports for freebsd-net@FreeBSD.org that need special attention

2018-02-25 Thread bugzilla-noreply
To view an individual PR, use: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=(Bug Id). The following is a listing of current problems submitted by FreeBSD users, which need special attention. These represent problem reports covering all versions including experimental development code and ob

tcpmux port opened for dual-stack results

2018-02-25 Thread Jan Schaumann
Hi, I just encountered something that befuddles me: On an AWS EC2 instance (ami-d0b520b8, FreeBSD 10.1-RELEASE), I noticed that 'telnet www.google.com 80' first opens a UDP socket to google's addresses on port 1, then closes it without sending any data before opening the TCP socket. Sample (trim