Error Reading Ssh Protocol Banner Mysql
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Ansible Error Reading Ssh Protocol Banner
the target server is bogged down or its sshd has hung. Recovery is to wait and try again. If you control the server, its a good time to check on its health. –tdelaney Sep 1 '14 at 16:49 1 You can reproduce this error by making 10 threads and opening/closing sftp connections as fast as you can on all of them. The sshd daemon can't respond in time, and the above exception is thrown. –Eric Leschinski Jan 15 '15 at 20:21 I've just got the issue on one server. Openssh client connects fine, Paramiko fails. If I telnet the server, it doesn't write the line SSH-2.0-OpenSSH_6.0p1 immediately as all other servers do. Have no idea about the cause. –Equidamoid May 25 '15 at 12:55 add a comment| 1 Answer 1 active oldest votes up vote 6 down vote accepted It depends on what you mean by "fix". The underlying cause, as pointed out in the comments, are congestion/lack of resources. In that way, it's similar to some HTTP codes. That's the normal cause, it could be that the ssh server is returning the wrong header data. 429 Too Many Requests, tells the client to use rate limiting, or sometimes APIs will return 503 in a similar way, if you exceed your quota. The idea being, to try again later, with a delay. You can attempt to handle this exception in your code, wait a little while, and try again.
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Error Reading Ssh Protocol Banner Errno 10054
0 Wiki Pulse Graphs New issue "SSHException: Error reading SSH protocol banner" error reading ssh protocol banner errno 104 connection reset by peer when using ProxyCommand #673 Closed Depado opened this Issue Feb 3, 2016 · 15 comments Projects None yet raise sshexception('error reading ssh protocol banner' + str(e)) Labels Bug Needs investigation Milestone No milestone Assignees No one assigned 7 participants Depado commented Feb 3, 2016 Hello, It's been a few days and I'm http://stackoverflow.com/questions/25609153/paramiko-error-reading-ssh-protocol-banner still struggling with this, I think it's quite a known issue but wasn't able to find a workaround. Paramiko 1.16.0 Python 3.5.1 Operating System : Archlinux Below is a simplified version of my actual code that throws the same error : import os import paramiko # Loading ssh configuration to get the IP and user of the desired host https://github.com/paramiko/paramiko/issues/673 (here 'bastion') cfg = paramiko.SSHConfig() with open(os.path.expanduser("~/.ssh/config")) as f: cfg.parse(f) host_cfg = cfg.lookup('bastion') sock = paramiko.ProxyCommand("ssh -W %h:%p {}@{}".format(host_cfg.get('user', 'root'), host_cfg.get('hostname'))) # Client Setup client = paramiko.SSHClient() client.load_system_host_keys() client.set_missing_host_key_policy(paramiko.AutoAddPolicy()) # Connect and execute command client.connect("my.ip.ad.dr", username='root', sock=sock) (stdin, stdout, stderr) = client.exec_command("echo 'Hello World !'") for line in stdout.readlines(): print(line) client.close() Note that the whole parsing the ssh config thing is simplified because I know this entry is in the ssh config. (And yes I'm sure the error doesn't come from that because the generated ProxyCommand is correct) Of course it raises the error when executing the client.connect line. The ProxyCommand is correct, tested multiple times and works just fine in my ~/.ssh/config. When using it with the command line, it creates an entry in the logs of my bastion. When using it within paramiko it doesn't generate an entry in the logs. I also tested using the netcat approach like this : sock = paramiko.ProxyCommand("ssh {}@{} nc %h %p".format(host_cfg.get('user', 'root'), host_cfg.get('hostname'))) This time it generates an entry in the logs of my bastion (even tho
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