Troubleshooting of linux connection errors with xmanager

Troubleshooting of xmanager linux connection errors-Linux Enterprise Application-Linux server application information. For details, refer to the following section. When xmanager is used to connect to linux, the following message is displayed:
The X11 forwarding request was rejected!
To solve this problem, please turn on the X11 forwarding feather of the remote SSH server

The Show reply messages information is as follows:
[11:51:51] Connecting to '2017. 31.0.131 '...
[11:51:51] Connected.
[11:51:51] Version exchange initialize...
[11:51:51] server: SSH-1.99-OpenSSH_3.6.1p2
[11:51:51] client: SSH-2.0-libssh_1.2.1697 NetSarang Computer, Inc.
[11:51:51] SSH2 is selected.
[11:51:52] Algorithm negotiation initiated...
[11:51:52] key exchange: diffie-hellman-group1-sha1
[11:51:52] host key: ssh-dss
[11:51:52] outgoing encryption: aes128-cbc
[11:51:52] incoming encryption: aes128-cbc
[11:51:52] outgoing mac: hmac-sha1
[11:51:52] incoming mac: hmac-sha1
[11:51:52] outgoing compression: none
[11:51:52] incoming compression: none
[11:51:52] Host authentication initiated...
[11:51:52] Hostkey fingerprint:
[11:51:52] ssh-dsa 1024 7a: a8: da: b2: da: 34: AE: 7c: AE: 48: ed: f8: 13: b3: 01
[11:51:52] Accepted. Verifying host key...
[11:51:52] Verified.
[11:51:52] User authentication initiated...
[11:51:52] Sent user name 'root '.
[11:51:52] Sent password.
[11:52:08] Sent password.
[11:52:08] Access granted.
[11:52:08] Sent X11 forwarding request...
[11:52:08] Failed.


Solution:
Set X11Forwarding yes in sshd_config
Restart the sshd service.