Hi!

I realize my previous message¹ went unanswered:

  OpenSSH 6.7 removed all CBC, among others, from its default cipher
  suites (see <http://www.openssh.com/txt/release-6.7>.)

  As a consequence, the SSH client from lsh 2.1 cannot connect to a recent
  OpenSSH server by default.  Instead, one needs to pass ‘-c aes256-ctr’,
  which is one of the few ciphers in common.

  I think it would make sense to make a new lsh release that would at
  least change the default set of cipher suites to follow what OpenSSH
  did.  WDYT?

I think this is one of the things urgently needed if we want to allow
people to keep using lsh/lshd, along with applying the Nettle 3 upgrade
patch².

Thanks,
Ludo’.

¹ http://lists.lysator.liu.se/pipermail/lsh-bugs/2015q3/000664.html
² http://lists.lysator.liu.se/pipermail/lsh-bugs/2015q3/000662.html
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