FYI - Slides and a recording of our June 12, 2012 webinar:  "IBM Ported
Tools for z/OS OpenSSH: Key Authentication" is available on our web site:

http://dovetail.com/webinars.html

(this is part 1 of a two part series;  part 2 is "Using Key Rings" )

Kirk Wolf
Dovetailed Technologies
http://dovetail.com


On Mon, Sep 23, 2013 at 2:37 PM, Grinsell, Don <[email protected]> wrote:

> What I recall doing to facilitate this on my system was to use putty to
> connect to my first host and then use ssh to manually connect to the second
> host.  This establishes the keys in the known_hosts file for the
> appropriate user.  After that the batch sftp should work just fine.
>
> If I remember correctly I seem to recall that if you already have an entry
> in the known_hosts for usera you can copy that entry to the known_hosts
> file for userb and it will work.
>
> Hope that helps.
>
> --
>
> Donald Grinsell
> State of Montana
> 406-444-2983
> [email protected]
>
> "I love deadlines.  I love the whooshing sound they make as they fly by."
> ~ Douglas Adams
>
> -----Original Message-----
> From: IBM Mainframe Discussion List [mailto:[email protected]] On
> Behalf Of Mowry, Norma E CIV DISA ESB (US)
> Sent: Monday, September 23, 2013 1:29 PM
> To: [email protected]
> Subject: Help with OpenSSH SFTP Batch
>
> We just configured and started two OpenSSH servers on different hosts.  I
> have been able to logon to both SHH servers using PuTTY, we can initiate
> sftp from the PuTTY session and it works okay to transfer files.  We are
> now trying to get SFTP to work from a batch job but it fails with RC=255
> HOST Verification failed.  For now we are trying to use logon userid and
> password to authenticate the user but I don't think we are getting to that
> point before the job fails.  The errors I see are FOTS1370 Host key
> verification failed.. FOTS0841 Connection closed.
>
> With -vvv in the job I see the following (this is not the complete error
> file)...
> debug1: mac_setup_by_id: hmac-sha1 from source ICSF.
> debug2: mac_setup: found hmac-sha1.
> debug1: kex: server->client aes256-cbc hmac-sha1 none.
> debug1: mac_setup_by_id: hmac-sha1 from source ICSF.
> debug2: mac_setup: found hmac-sha1.
> debug1: kex: client->server aes256-cbc hmac-sha1 none.
> debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<4096<8192) sent.
> debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP.
> debug2: dh_gen_key: priv key bits set: 239/512.
> debug2: bits set: 2054/4095.
> debug1: SSH2_MSG_KEX_DH_GEX_INIT sent.
> debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY.
> debug3: check_host_in_hostfile: filename /u/umo4950/.ssh/known_hosts.
> debug3: check_host_in_hostfile: filename /etc/ssh/ssh_known_hosts.
> debug3: check_host_in_hostfile: filename /u/umo4950/.ssh/known_hosts.
> debug3: check_host_in_hostfile: filename /etc/ssh/ssh_known_hosts.
> debug3: check_host_in_hostfile: filename /u/umo4950/.ssh/known_hosts.
> debug3: check_host_in_hostfile: filename /etc/ssh/ssh_known_hosts.
> debug2: no key of type 0 for host mxj.csd.disa.mil.
> debug3: check_host_in_hostfile: filename /u/umo4950/.ssh/known_hosts2.
> debug3: check_host_in_hostfile: filename /etc/ssh/ssh_known_hosts2.
> debug3: check_host_in_hostfile: filename /u/umo4950/.ssh/known_hosts.
> debug3: check_host_in_hostfile: filename /etc/ssh/ssh_known_hosts.
> debug2: no key of type 2 for host mxj.csd.disa.mil.
> debug3: __catgets: NLS setup complete (1), using message catalog
> openssh.cat.
> FOTS1370 Host key verification failed..
> debug1: zsshSmfSetConnSmfStatus: SMF status is 0.
> debug3: zsshSmfWritePipe: Not collecting SMF data.  status=0 .
> debug3: __catgets: NLS setup complete (1), using message catalog
> openssh.cat.
> FOTS0841 Connection closed.
>
>
> We are running z/OS V1R13 on both systems.
>
> Thanks for your help.
>
>
> Norma Mowry
>
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