[Bug 1928100] Re: TLS handshake is fatal, not transient - hence not retried

[Launchpad Bug Tracker]

This bug was fixed in the package apt - 2.3.4

---------------
apt (2.3.4) experimental; urgency=medium

  [ Khem Raj ]
  * srvrec: Keep support for older resolver

  [ Julian Andres Klode ]
  * Turn TLS handshake issues into transient errors (LP: #1928100)

 -- Julian Andres Klode <jak at debian.org>  Wed, 12 May 2021 18:04:33
+0200

** Changed in: apt (Ubuntu)
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1928100

Title:
  TLS handshake is fatal, not transient - hence not retried

Status in apt package in Ubuntu:
  Fix Released

Bug description:
  [Impact]
  TLS handshakes are reported as fatal errors rather than transient errors like other connection errors on unencrypted connections. This seems wrong - a server may just be spinning up or down and fail during the handshake, and prevents retrying such downloads

  [Test plan]

  A test case has been added to the integration test suite that ensures
  handshake errors are retried upon configuration.

  [Where problems could occur]
  Transient errors do not cause an error exit from apt update, so scripts relying on errors from TLS handshakes in such situations will fail.

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