Steve,
I got this message a few months after applying PTF 5733SC1-SI70819, which upgraded OpenSSH to OpenSSH_8.0p1, OpenSSL 1.1.1c 28 May 2019.
It also disabled older, weaker algorithms (ssh-dss) and ciphers, causing production SFTP file transfers to fail. - no matching host key type found. Their offer: ssh-dss.
You have options.
1) edit /QOpenSys/QIBM/UserData/SC1/OpenSSH/etc/ssh_config adjust as needed.
2) Have the remote adjust their settings.
Paul
-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Steve Richter
Sent: Wednesday, February 19, 2020 11:04 AM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: sshd fatal - no matching cipher found
getting this message in QSYSOPR:
Message . . . . : sshd[128117]: fatal: ssh_dispatch_run_fatal: Connection
to
185.202.1.240: no matching cipher found
did a whois 185.202.1.240 and the results say it is a problem IP in Russia.
the message says it was sent by program QP2USER2.
how do I more closely monitor this type of message ?
thanks,
-Steve
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