Di salah satu server client, ssh jumphost menolak untuk terkoneksi. Dengan menggunakan mode verbose (-vvv)

ssh -J tommy@ssh.jaranguda.com root@oracle.jaranguda.com -vvv

kelihat error

debug1: Entering interactive session.
debug1: pledge: network
debug3: receive packet: type 80
debug1: client_input_global_request: rtype hostkeys-00@openssh.com want_reply 0
debug3: receive packet: type 92
channel 0: open failed: administratively prohibited: open failed
debug2: channel_input_open_failure: channel 0: callback start
stdio forwarding failed
kex_exchange_identification: Connection closed by remote host

login ke SSH Server (/etc/ssh/sshd_config), ubah settingan

AllowTcpForwarding no

menjadi

AllowTcpForwarding yes

lalu restart sshd

systemctl restart sshd

Last Updated on 5 December 2020 by tommy

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