[Bug 1871465] Re: ssh_config(5) contains outdated information

[Launchpad Bug Tracker]

** Merge proposal linked:
   https://code.launchpad.net/~michal-maloszewski99/ubuntu/+source/openssh/+git/openssh/+merge/427460

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https://bugs.launchpad.net/bugs/1871465

Title:
  ssh_config(5) contains outdated information

Status in openssh package in Ubuntu:
  Fix Released
Status in openssh source package in Focal:
  Triaged
Status in openssh source package in Hirsute:
  Won't Fix
Status in openssh source package in Impish:
  Won't Fix

Bug description:
  The release of OpenSSH 8.2 has removed `ssh-rsa` from the default list
  of CACertificateAlgorithms. However the latest `openssh-client` still
  ships the man page for ssh_config(5) that contains the following
  description:

       CASignatureAlgorithms
               Specifies which algorithms are allowed for signing of certificates 
               by certificate authorities (CAs).  The default is:

                     ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,
                     ssh-ed25519,rsa-sha2-512,rsa-sha2-256,ssh-rsa

               ssh(1) will not accept host certificates signed using algorithms 
               other than those specified.

  As far as I am concerned, `ssh-rsa` should be dropped from the list so
  as to match the behavior of ssh(1).

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