Network installed the latest version of ubuntu system, the machine installation and open the SSH services,
On the router port mapping (ubuntu host IP and port 22 open to the outside network)
Now use the MAC through public IP access network host, can pop-up prompts for a password, but always prompt stop connection,
Turn to the great god, help the younger brother,

CodePudding user response:

Hank is my ubuntu user name

CodePudding user response:

No permission
The SSH service is set a white list
Firewall is stopped, if it is ali cloud machine, security group released

CodePudding user response:

Permission denied, both please try again. This is basic your account password is not right

CodePudding user response:

reference zhouchao6 reply: 3/f

Permission denied, both please try again. This basic right is your account password

User name password is certainly no problem, I can log in through the LAN

CodePudding user response:

refer to the second floor emperor royal thunder response:

no permission
The SSH service is set a white list
Firewall is stopped, if it is ali cloud machine, security group released?

Hello, not ali cloud machine, the machine in my office, I want to visit the machine outside,

SSH service part set white list and firewall. What should I check?

CodePudding user response:

reference 5 floor hank9433 reply:

Quote: refer to the second floor emperor royal thunder response:

No permission
The SSH service is set a white list
Firewall is stopped, if it is ali cloud machine, security group released?

Hello, not ali cloud machine, the machine in my office, I want to visit the machine outside,

SSH service part set white list and firewall. What should I check?

I just saw the ufw status status is closed

CodePudding user response:

refer to 6th floor hank9433 response:

Quote: refer to the fifth floor hank9433 reply:

Quote: refer to the second floor emperor royal thunder response:

No permission
The SSH service is set a white list
Firewall is stopped, if it is ali cloud machine, security group released?

Hello, not ali cloud machine, the machine in my office, I want to visit the machine outside,

SSH service part set white list and firewall. What should I check?

I just saw the ufw status status is closed

Isn't only allow network access, dial the VPN?

CodePudding user response:

SSH - VVVVV IP can view the link for details