[Bug 1908136] Re: no_proxy=::1 is not honored by curl in Bionic and earlier versions

[Balint Reczey]

** Tags added: rls-bb-incoming rls-x-incoming

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https://bugs.launchpad.net/bugs/1908136

Title:
  no_proxy=::1 is not honored by curl in Bionic and earlier versions

Status in Auto Package Testing:
  New
Status in curl package in Ubuntu:
  Fix Released
Status in curl source package in Xenial:
  New
Status in curl source package in Bionic:
  New
Status in curl source package in Focal:
  Fix Released

Bug description:
  Bionic:

  env no_proxy=::1 http_proxy=http://foo:8080 curl -v http://[::1]:80/bar.html
  * Could not resolve proxy: foo
  * Closing connection 0
  curl: (5) Could not resolve proxy: foo

  Focal:

  $ env no_proxy=::1 http_proxy=http://foo:8080 curl -v http://[::1]:80/bar.html
  * Uses proxy env variable no_proxy == '::1'
  *   Trying ::1:80...
  * TCP_NODELAY set
  * Immediate connect fail for ::1: Network is unreachable
  * Closing connection 0
  curl: (7) Couldn't connect to server

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