python 和 paramiko 的奇怪 EOFError

Question

我的代码：

#!/usr/bin/env python
# encoding: utf-8

import paramiko

ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect('10.X.X.X',username='user',password='password')

stdin, stdout, stderr=ssh.exec_command("get system status")
type(stdin)
stdout.readlines()

和我想的一样简单，但是运行抛出回溯：

Traceback (most recent call last):
  File "/Users/adieball/Dropbox/Multiverse/Programming/workspace/FortiNet/src/runCommand.py", line 8, in <module>
    ssh.connect('10.X.X.X',username='user',password='password')
  File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/paramiko/client.py", line 325, in connect
    t.start_client()
  File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/paramiko/transport.py", line 492, in start_client
    raise e
  File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/paramiko/transport.py", line 1726, in run
    ptype, m = self.packetizer.read_message()
  File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/paramiko/packet.py", line 386, in read_message
    header = self.read_all(self.__block_size_in, check_rekey=True)
  File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/paramiko/packet.py", line 251, in read_all
    raise EOFError()
EOFError

我这里有点糊涂，可能是我瞎了，但是我找不到问题所在。

谢谢

显然：通过 "normal" ssh 和运行连接此命令工作得很好 :-)

我更改为 python 2.7（Mac 上的默认设置）并完全删除了 3.5 安装。我现在得到一个不同的错误（虽然仍然是 EOFError）：

Traceback (most recent call last):
  File "/Users/adieball/Dropbox/Multiverse/Programming/workspace/FortiNet/src/runCommand.py", line 8, in <module>
    ssh.connect('10.X.X.X,username='user',password='password')
  File "build/bdist.macosx-10.11-intel/egg/paramiko/client.py", line 325, in connect
  File "build/bdist.macosx-10.11-intel/egg/paramiko/transport.py", line 492, in start_client
EOFError

如前所述，我可以使用 "normal" ssh 完美地连接到盒子。我还测试了 python 的连通性：

import socket

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.settimeout(0.5)

try:
        s.connect(('10.2.2.254',22)) 
except Exception, e:
        print 'connection failed'
else:
    print "success"

s.close()

并且有效（即打印 "success"），但无论出于何种原因，paramiko 似乎无法连接。我在 python shell 中逐步尝试了我的代码，以查看错误何时发生以及它在

之后发生

ssh.connect('10.X.X.X',username='user',password='password')

Answer 1

感谢您的帮助。我按照你的建议做了，得到了：

DEBUG:paramiko.transport:starting thread (client mode): 0x7fe51d0L
DEBUG:paramiko.transport:Local version/idstring: SSH-2.0-paramiko_1.16.0
DEBUG:paramiko.transport:Remote version/idstring: SSH-2.0-a3WzN
INFO:paramiko.transport:Connected (version 2.0, client a3WzN)
DEBUG:paramiko.transport:kex algos:[u'diffie-hellman-group-exchange-sha1', u'diffie-hellman-group1-sha1'] server key:[u'ssh-rsa', u'ssh-dss'] client encrypt:[u'aes128-cbc', u'3des-cbc', u'blowfish-cbc', u'cast128-cbc', u'arcfour', u'aes192-cbc', u'aes256-cbc', u'rijndael-cbc@lysator.liu.se', u'aes128-ctr', u'aes192-ctr', u'aes256-ctr'] server encrypt:[u'aes128-cbc', u'3des-cbc', u'blowfish-cbc', u'cast128-cbc', u'arcfour', u'aes192-cbc', u'aes256-cbc', u'rijndael-cbc@lysator.liu.se', u'aes128-ctr', u'aes192-ctr', u'aes256-ctr'] client mac:[u'hmac-md5', u'hmac-sha1', u'hmac-ripemd160', u'hmac-ripemd160@openssh.com', u'hmac-sha1-96', u'hmac-md5-96'] server mac:[u'hmac-md5', u'hmac-sha1', u'hmac-ripemd160', u'hmac-ripemd160@openssh.com', u'hmac-sha1-96', u'hmac-md5-96'] client compress:[u'none', u'zlib'] server compress:[u'none', u'zlib'] client lang:[u''] server lang:[u''] kex follows?False
DEBUG:paramiko.transport:Kex agreed: diffie-hellman-group1-sha1
DEBUG:paramiko.transport:Cipher agreed: aes128-ctr
DEBUG:paramiko.transport:MAC agreed: hmac-md5
DEBUG:paramiko.transport:Compression agreed: none
DEBUG:paramiko.transport:EOF in transport thread

Answer 2

您好，我在编写远程访问 fortigate 的脚本时遇到了同样的错误。我看你也在试一个forigate

我已经在 "config system global" 下更改了 fortigate 上的配置并且它起作用了（我不知道实际上是哪个更改，它需要一些试验和错误才能知道）

config system global
     - set admin-server-cert "Fortinet_Factory"
     - set admin-sport 2222
     - set admin-ssh-grace-time 20
     - set admin-ssh-v1 enable
     - set auth-cert "Fortinet_Factory"
     - set dh-params 1024
     - set fgd-alert-subscription advisory latest-threat
     - set gui-theme red
     - set gui-wireless-opensecurity enable
     - set hostname "FortiGate-VM64"
     - set ssh-cbc-cipher disable
     - set ssh-hmac-md5 disable
     - set strong-crypto disable
     - set timezone 04
end

如果您知道哪一个是必不可少的，请告诉我。

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