channel 0: open failed: administratively prohibited: open failed
How to solve "channel 0: open failed: administratively prohibited: open failed" error got while trying to SSH?
Overview: This article helps gateway users to resolve the error "channel 0: open failed: administratively prohibited: open failed" encountered while trying to SSH.
:~# ssh -J bastion_host_server remote_host_server
channel 0: open failed: administratively prohibited: open failed
stdio forwarding failed
kex_exchange_identification: Connection closed by remote host
The above error occurred because AllowTcpForwarding is set to "No" in the /etc/ssh/sshd_config file of the Ezeelogin gateway server for security reasons. This setting is recommended for enhanced security.
#$ /etc/ssh/sshd_config
AllowTcpForwarding no