1. ubuntu@ip-172-31-46-92:/etc/ssh$ cat sshd_config
2. # Package generated configuration file
3. # See the sshd_config(5) manpage for details
4.  
5. # What ports, IPs and protocols we listen for
6. Port 22
7. # Use these options to restrict which interfaces/protocols sshd will bind to
8. #ListenAddress ::
9. #ListenAddress 0.0.0.0
10. Protocol 2
11. # HostKeys for protocol version 2
12. HostKey /etc/ssh/ssh_host_rsa_key
13. HostKey /etc/ssh/ssh_host_dsa_key
14. HostKey /etc/ssh/ssh_host_ecdsa_key
15. HostKey /etc/ssh/ssh_host_ed25519_key
16. #Privilege Separation is turned on for security
17. UsePrivilegeSeparation yes
18.  
19. # Lifetime and size of ephemeral version 1 server key
20. KeyRegenerationInterval 3600
21. ServerKeyBits 1024
22.  
23. # Logging
24. SyslogFacility AUTH
25. LogLevel INFO
26.  
27. # Authentication:
28. LoginGraceTime 120
29. PermitRootLogin prohibit-password
30. StrictModes yes
31.  
32. RSAAuthentication yes
33. PubkeyAuthentication yes
34. #AuthorizedKeysFile     %h/.ssh/authorized_keys
35.  
36. # Don't read the user's ~/.rhosts and ~/.shosts files
37. IgnoreRhosts yes
38. # For this to work you will also need host keys in /etc/ssh_known_hosts
39. RhostsRSAAuthentication no
40. # similar for protocol version 2
41. HostbasedAuthentication no
42. # Uncomment if you don't trust ~/.ssh/known_hosts for RhostsRSAAuthentication
43. #IgnoreUserKnownHosts yes
44.  
45. # To enable empty passwords, change to yes (NOT RECOMMENDED)
46. PermitEmptyPasswords no
47.  
48. # Change to yes to enable challenge-response passwords (beware issues with
49. # some PAM modules and threads)
50. ChallengeResponseAuthentication no
51.  
52. # Change to no to disable tunnelled clear text passwords
53. PasswordAuthentication no
54.  
55. # Kerberos options
56. #KerberosAuthentication no
57. #KerberosGetAFSToken no
58. #KerberosOrLocalPasswd yes
59. #KerberosTicketCleanup yes
60.  
61. # GSSAPI options
62. #GSSAPIAuthentication no
63. #GSSAPICleanupCredentials yes
64.  
65. X11Forwarding yes
66. X11DisplayOffset 10
67. PrintMotd no
68. PrintLastLog yes
69. TCPKeepAlive yes
70. #UseLogin no
71.  
72. #MaxStartups 10:30:60
73. #Banner /etc/issue.net
74.  
75. # Allow client to pass locale environment variables
76. AcceptEnv LANG LC_*
77.  
78. Subsystem sftp /usr/lib/openssh/sftp-server
79.  
80. # Set this to 'yes' to enable PAM authentication, account processing,
81. # and session processing. If this is enabled, PAM authentication will
82. # be allowed through the ChallengeResponseAuthentication and
83. # PasswordAuthentication.  Depending on your PAM configuration,
84. # PAM authentication via ChallengeResponseAuthentication may bypass
85. # the setting of "PermitRootLogin without-password".
86. # If you just want the PAM account and session checks to run without
87. # PAM authentication, then enable this but set PasswordAuthentication
88. # and ChallengeResponseAuthentication to 'no'.
89. UsePAM yes
90. ubuntu@ip-172-31-46-92:/etc/ssh$
91.