[Bug 174168] Re: expecting SSH2_MSG_KEX_DH_GEX_GROUP

[Nickolay Ihalainen]

Got the same problem:
ihanick at bb:~/ecu$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 12.04.1 LTS
Release:        12.04
Codename:       precise
ihanick at bb:~/ecu$ ssh -V
OpenSSH_5.9p1 Debian-5ubuntu1, OpenSSL 1.0.1 14 Mar 2012

trying to ssh from 12.04 host to 10.04:
..
debug2: kex_parse_kexinit: 
debug2: kex_parse_kexinit: 
debug2: kex_parse_kexinit: first_kex_follows 0 
debug2: kex_parse_kexinit: reserved 0 
debug2: mac_setup: found hmac-md5
debug1: kex: server->client aes128-ctr hmac-md5 none
debug2: mac_setup: found hmac-md5
debug1: kex: client->server aes128-ctr hmac-md5 none
debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP

After disabling hmac-md5, by using MACs hmac-sha1,umac-64 at openssh.com
,hmac-ripemd160 in /etc/ssh/ssh_config

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to openssh in Ubuntu.
https://bugs.launchpad.net/bugs/174168

Title:
   expecting SSH2_MSG_KEX_DH_GEX_GROUP

Status in “openssh” package in Ubuntu:
  Confirmed

Bug description:
  Server 
  Connected to xxxxxxxx
  Escape character is '^]'.
  SSH-2.0-OpenSSH_4.5

  Client
  Local version string SSH-2.0-OpenSSH_4.6p1 Debian-5build1

  =========================
  The client can not log into the server - stops @ the last line (see below)
  Client / server "speak" ver. 2.0

  Connection server to client OK !!!
  Connection client to server NOT OK!!
   
  debug2: kex_parse_kexinit: first_kex_follows 0 
  debug2: kex_parse_kexinit: reserved 0 
  debug2: mac_init: found hmac-md5
  debug1: kex: server->client aes128-cbc hmac-md5 none
  debug2: mac_init: found hmac-md5
  debug1: kex: client->server aes128-cbc hmac-md5 none
  debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent
  debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/openssh/+bug/174168/+subscriptions