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Aug 15th, 2019
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  1. # -*- text -*-
  2. #
  3. # $Id: 18f600589b67177679b9521feb65b7fbb0200ac2 $
  4.  
  5. # Microsoft CHAP authentication
  6. #
  7. # This module supports MS-CHAP and MS-CHAPv2 authentication.
  8. # It also enforces the SMB-Account-Ctrl attribute.
  9. #
  10. mschap {
  11. #
  12. # If you are using /etc/smbpasswd, see the 'passwd'
  13. # module for an example of how to use /etc/smbpasswd
  14.  
  15. # if use_mppe is not set to no mschap will
  16. # add MS-CHAP-MPPE-Keys for MS-CHAPv1 and
  17. # MS-MPPE-Recv-Key/MS-MPPE-Send-Key for MS-CHAPv2
  18. #
  19. # use_mppe = no
  20.  
  21. # if mppe is enabled require_encryption makes
  22. # encryption moderate
  23. #
  24. # require_encryption = yes
  25.  
  26. # require_strong always requires 128 bit key
  27. # encryption
  28. #
  29. # require_strong = yes
  30.  
  31. # The module can perform authentication itself, OR
  32. # use a Windows Domain Controller. This configuration
  33. # directive tells the module to call the ntlm_auth
  34. # program, which will do the authentication, and return
  35. # the NT-Key. Note that you MUST have "winbindd" and
  36. # "nmbd" running on the local machine for ntlm_auth
  37. # to work. See the ntlm_auth program documentation
  38. # for details.
  39. #
  40. # If ntlm_auth is configured below, then the mschap
  41. # module will call ntlm_auth for every MS-CHAP
  42. # authentication request. If there is a cleartext
  43. # or NT hashed password available, you can set
  44. # "MS-CHAP-Use-NTLM-Auth := No" in the control items,
  45. # and the mschap module will do the authentication itself,
  46. # without calling ntlm_auth.
  47. #
  48. # Be VERY careful when editing the following line!
  49. #
  50. # You can also try setting the user name as:
  51. #
  52. # ... --username=%{mschap:User-Name} ...
  53. #
  54. # In that case, the mschap module will look at the User-Name
  55. # attribute, and do prefix/suffix checks in order to obtain
  56. # the "best" user name for the request.
  57. #
  58. ntlm_auth = "/usr/bin/nsdc-run -e /usr/bin/ntlm_auth_nsdc %{%{Stripped-User-Name}:-%{%{User-Name}:-None}} %{%{mschap:Challenge}:-00} %{%{mschap:NT-Response}:-00}"
  59. # The default is to wait 10 seconds for ntlm_auth to
  60. # complete. This is a long time, and if it's taking that
  61. # long then you likely have other problems in your domain.
  62. # The length of time can be decreased with the following
  63. # option, which can save clients waiting if your ntlm_auth
  64. # usually finishes quicker. Range 1 to 10 seconds.
  65. #
  66. # ntlm_auth_timeout = 10
  67.  
  68. # An alternative to using ntlm_auth is to connect to the
  69. # winbind daemon directly for authentication. This option
  70. # is likely to be faster and may be useful on busy systems,
  71. # but is less well tested.
  72. #
  73. # Using this option requires libwbclient from Samba 4.2.1
  74. # or later to be installed. Make sure that ntlm_auth above is
  75. # commented out.
  76. #
  77. # winbind_username = "%{mschap:User-Name}"
  78. # winbind_domain = "%{mschap:NT-Domain}"
  79.  
  80. # When using single sign-on with a winbind connection and the
  81. # client uses a different casing for the username than the
  82. # casing is according to the backend, reauth may fail because
  83. # of some Windows internals. This switch tries to find the
  84. # user in the correct casing in the backend, and retry
  85. # authentication with that username.
  86. #
  87. # winbind_retry_with_normalised_username = no
  88.  
  89. #
  90. # Information for the winbind connection pool. The configuration
  91. # items below are the same for all modules which use the new
  92. # connection pool.
  93. #
  94. pool {
  95. # Connections to create during module instantiation.
  96. # If the server cannot create specified number of
  97. # connections during instantiation it will exit.
  98. # Set to 0 to allow the server to start without the
  99. # winbind daemon being available.
  100. start = ${thread[pool].start_servers}
  101.  
  102. # Minimum number of connections to keep open
  103. min = ${thread[pool].min_spare_servers}
  104.  
  105. # Maximum number of connections
  106. #
  107. # If these connections are all in use and a new one
  108. # is requested, the request will NOT get a connection.
  109. #
  110. # Setting 'max' to LESS than the number of threads means
  111. # that some threads may starve, and you will see errors
  112. # like 'No connections available and at max connection limit'
  113. #
  114. # Setting 'max' to MORE than the number of threads means
  115. # that there are more connections than necessary.
  116. max = ${thread[pool].max_servers}
  117.  
  118. # Spare connections to be left idle
  119. #
  120. # NOTE: Idle connections WILL be closed if "idle_timeout"
  121. # is set. This should be less than or equal to "max" above.
  122. spare = ${thread[pool].max_spare_servers}
  123.  
  124. # Number of uses before the connection is closed
  125. #
  126. # 0 means "infinite"
  127. uses = 0
  128.  
  129. # The number of seconds to wait after the server tries
  130. # to open a connection, and fails. During this time,
  131. # no new connections will be opened.
  132. retry_delay = 30
  133.  
  134. # The lifetime (in seconds) of the connection
  135. #
  136. # NOTE: A setting of 0 means infinite (no limit).
  137. lifetime = 86400
  138.  
  139. # The pool is checked for free connections every
  140. # "cleanup_interval". If there are free connections,
  141. # then one of them is closed.
  142. cleanup_interval = 300
  143.  
  144. # The idle timeout (in seconds). A connection which is
  145. # unused for this length of time will be closed.
  146. #
  147. # NOTE: A setting of 0 means infinite (no timeout).
  148. idle_timeout = 600
  149.  
  150. # NOTE: All configuration settings are enforced. If a
  151. # connection is closed because of "idle_timeout",
  152. # "uses", or "lifetime", then the total number of
  153. # connections MAY fall below "min". When that
  154. # happens, it will open a new connection. It will
  155. # also log a WARNING message.
  156. #
  157. # The solution is to either lower the "min" connections,
  158. # or increase lifetime/idle_timeout.
  159. }
  160.  
  161. passchange {
  162. # This support MS-CHAPv2 (not v1) password change
  163. # requests. See doc/mschap.rst for more IMPORTANT
  164. # information.
  165. #
  166. # Samba/ntlm_auth - if you are using ntlm_auth to
  167. # validate passwords, you will need to use ntlm_auth
  168. # to change passwords. Uncomment the three lines
  169. # below, and change the path to ntlm_auth.
  170. #
  171. # ntlm_auth = "/usr/bin/ntlm_auth --helper-protocol=ntlm-change-password-1"
  172. # ntlm_auth_username = "username: %{mschap:User-Name}"
  173. # ntlm_auth_domain = "nt-domain: %{mschap:NT-Domain}"
  174.  
  175. # To implement a local password change, you need to
  176. # supply a string which is then expanded, so that the
  177. # password can be placed somewhere. e.g. passed to a
  178. # script (exec), or written to SQL (UPDATE/INSERT).
  179. # We give both examples here, but only one will be
  180. # used.
  181. #
  182. # local_cpw = "%{exec:/path/to/script %{mschap:User-Name} %{MS-CHAP-New-Cleartext-Password}}"
  183. #
  184. # local_cpw = "%{sql:UPDATE radcheck set value='%{MS-CHAP-New-NT-Password}' where username='%{SQL-User-Name}' and attribute='NT-Password'}"
  185. }
  186.  
  187. # For Apple Server, when running on the same machine as
  188. # Open Directory. It has no effect on other systems.
  189. #
  190. # use_open_directory = yes
  191.  
  192. # On failure, set (or not) the MS-CHAP error code saying
  193. # "retries allowed".
  194. # allow_retry = yes
  195.  
  196. # An optional retry message.
  197. # retry_msg = "Re-enter (or reset) the password"
  198. }
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