Hello Colin, Hello Seth,

Seth that sounds great :-). I totally agree you.

Colin and that´s the same Problem we had on Scaleway, but I am sure that
we are finding a solution :-).

I would love to participate @ the discussion.

Have a nice day,

Eldin Hadzic

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Touch seeded packages, which is subscribed to openssh in Ubuntu.
https://bugs.launchpad.net/bugs/1499392

Title:
  OpenSSH Security and SHA1

Status in openssh package in Ubuntu:
  Confirmed

Bug description:
  We should enhance Security by disabling SHA1 or, if not possible
  (older Clients) by changing the KexAlgorithms, Ciphers and MACs order.

  For e.g. by :

  1. If we add Support for older Clients we should change this:

  #### OpenSSH Security ####

  KexAlgorithms 
[email protected],diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1
  Ciphers 
[email protected],[email protected],[email protected],aes256-ctr,aes192-ctr,aes128-ctr
  MACs 
[email protected],[email protected],[email protected],[email protected],hmac-sha2-512,hmac-sha2-256,hmac-ripemd160,[email protected]

  2.  If we just Support new Clients we should change this :

  [...]
  HostKey /etc/ssh/ssh_host_rsa_key
  HostKey /etc/ssh/ssh_host_ed25519_key
  [...]

  #### OpenSSH Security ####

  KexAlgorithms 
[email protected],diffie-hellman-group-exchange-sha256
  Ciphers 
[email protected],[email protected],[email protected],aes256-ctr,aes192-ctr,aes128-ctr
  MACs 
[email protected],[email protected],[email protected],[email protected],hmac-sha2-512,hmac-sha2-256,hmac-ripemd160,[email protected]

  For more Information about my report go here:

  https://github.com/scaleway/image-ubuntu/pull/35

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