Red Hat Enterprise Linux 8

Issue

• Java ssh client JSCH does not work after upgrade from RHEL 7 to RHEL 8
• JSCH 0.1.33 does not work for RHEL 8
• Error Unable to negotiate with XX.XX.XX.XX port XXXXX: no matching cipher found. Their offer: 3des-cbc,blowfish-cbc [preauth]

• Error

  sshd[PID]: debug1: kex: diffie-hellman-group-exchange-sha1 need=24 dh_need=20 [preauth]
  sshd[PID]: debug1: SSH2_MSG_KEX_DH_GEX_REQUEST received [preauth]
  sshd[PID]: ssh_dispatch_run_fatal: Connection from XX.XX.XX.XX port XXXX: DH GEX group out of range [preauth]