don't exit sftpserver if fail to read SSH protocol banner #11
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often get the following errors and the sftpserver exit, we don't want the sftpserver exit if SSH protocol banner not received for one connection.
DEBUG:paramiko.transport:starting thread (server mode): 0x38102dd0L
DEBUG:paramiko.transport:Local version/idstring: SSH-2.0-paramiko_2.4.1
ERROR:paramiko.transport:Exception: Error reading SSH protocol banner
ERROR:paramiko.transport:Traceback (most recent call last):
ERROR:paramiko.transport: File "/usr/lib/python2.7/site-packages/paramiko/transport.py", line 1893, in run
ERROR:paramiko.transport: self._check_banner()
ERROR:paramiko.transport: File "/usr/lib/python2.7/site-packages/paramiko/transport.py", line 2049, in _check_banner
ERROR:paramiko.transport: 'Error reading SSH protocol banner' + str(e)
ERROR:paramiko.transport:SSHException: Error reading SSH protocol banner
ERROR:paramiko.transport:
Traceback (most recent call last):
File "/usr/bin/sftpserver", line 11, in
sys.exit(main())
File "/usr/lib/python2.7/site-packages/sftpserver/init.py", line 96, in main
start_server(args.host, args.port, args.keyfile, args.level)
File "/usr/lib/python2.7/site-packages/sftpserver/init.py", line 60, in start_server
transport.start_server(server=server)
File "/usr/lib/python2.7/site-packages/paramiko/transport.py", line 614, in start_server
raise e
paramiko.ssh_exception.SSHException: Error reading SSH protocol banner