pkg/51882: some packages in pkgsrc ignores proxy-setup for download

[wgstuken%grimme-reitenspezial.de@localhost]

>Number:         51882
>Category:       pkg
>Synopsis:       some packages in pkgsrc ignores proxy-setup for download
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Jan 15 12:40:00 +0000 2017
>Originator:     Wolfgang Stukenbrock
>Release:        pkgsrc 2016Q4
>Organization:
>Environment:
NetBSD 7.0.1
>Description:
several packages fail to download from some server, because the proxy-setup is ignored.
After a timeout another server is selected and there the proxy-setup is honored again.

e.g.


=> Verifying reinstall for ../../x11/fixesproto
=> Bootstrap dependency digest>=20010302: found digest-20160304
===> Skipping vulnerability checks.
WARNING: No /var/db/pkg/pkg-vulnerabilities file found.
WARNING: To fix run: `/usr/pkg/sbin/pkg_admin -K /var/db/pkg fetch-pkg-vulnerabilities'.
=> Fetching fixesproto-5.0.tar.bz2
=> Total size: 100886 bytes
Requesting http://xorg.freedesktop.org/releases/individual/proto/fixesproto-5.0.tar.bz2
  (via firewall:81)
Redirected to https://www.x.org/releases/individual/proto/fixesproto-5.0.tar.bz2
Trying 2610:10:20:722:a800:ff:feda:470f:443 ...
ftp: Can't connect to `2610:10:20:722:a800:ff:feda:470f:443': No route to host
Trying 131.252.210.176:443 ...
ftp: Can't connect to `131.252.210.176:443': No route to host
ftp: Can't connect to `www.x.org:https'
fetch: Unable to fetch expected file fixesproto-5.0.tar.bz2
Requesting ftp://ftp.x.org/pub/individual/proto/fixesproto-5.0.tar.bz2
  (via firewall:81)
100% |******************************************************************************|    98 KiB  265.32 KiB/s    00:00 ETA
100886 bytes retrieved in 00:00 (265.24 KiB/s)
=> Checksum SHA1 OK for fixesproto-5.0.tar.bz2
=> Checksum RMD160 OK for fixesproto-5.0.tar.bz2
=> Checksum SHA512 OK for fixesproto-5.0.tar.bz2
===> Installing dependencies for fixesproto-5.0


It looks like this is always the case, when a port number is specified.
>How-To-Repeat:
build e.g. mplayer from pkgsrc. You will see this behaviour several times at various packages.
>Fix:
not known - sorry