AFSLore/GettingAuthenticated.mdwn

   1 This is a rough outline.
   2
   3 There are basically three options with several variants
   4
   5 - [[KaServer]] -- the standard option to comes with IBMAFS, implements [[KerberosIV]] with some custom features.
   6 - [[KerberosIV]] -- the original MIT implementation, and [[Krb4KTH]], an export version of [[KerberosIVMIT]] (aka "bones"), but with encryption support put back in by the fine folks at KTH.
   7 - [[KerberosV]] -- version five of this protocol has numerous improvements over version four and is available from many sources: MIT, DCE, Microsoft (aka [[ActiveDirectory]]) and [[HeimdalKTH]].
   8
   9 The consensus these days is to use [[KerberosV]], even though lacking native support for V5, AFS still needs various conversion and migration tools. See [[KerberosAFSInstall]] for (what will be) a step-by-step procedure to install a new [[OpenAFS]] cell where authentication is handled by a [[KerberosV]] realm.
  10
  11 For [[KerberosV]], there are two main open-source solutions for Unix: [[KerberosVMIT]] and [[HeimdalKTH]]. A quick comparison of the two:
  12
  13 [[KerberosVMIT]] Advantages:
  14
  15 - Excellent documentation
  16 - The "reference" implementation everyone else uses as a baseline
  17 - Great library support. Third-party software compiles easily with the libraries MIT provides.
  18
  19 [[KerberosVMIT]] Disadvantages:
  20
  21 - Poor integration with AFS. Requires the AFS-Kerberos5 migration kit to work with AFS.
  22 - Export issues
  23
  24 [[HeimdalKTH]] Advantages:
  25
  26 - Excellent integration with AFS.
  27
  28 [[HeimdalKTH]] Disadvantages:
  29
  30 - Client API is just different enough from MIT to keep most applications from compiling out of the box.
  31
  32 Note that you can mix-and-match. Currently I'm using a [[HeimdalKTH]] KDC with [[KerberosVMIT]] clients. If you take this route the one big thing to watch out for is administrative tools - kadmin, kpasswd, and such.
  33
  34 Some other topics that should be explained.
  35
  36 - SSH -- There are two issues. First is mutually authenticating you and the SSH server to each other using Kerberos. See [[KerberosV]] for a link to patches to kerberize [[OpenSSH]]. Second is passing local AFS authentication to the remote shell (in this case an AFS Client) in the form of AFS service tickets (tokens).
  37   - these instructions from [[CharlesClancy]] for building openssh might be useful <http://lists.openafs.org/pipermail/openafs-info/2002-January/002846.html>
  38   - another perspective from [[OwenLeBlanc]] <http://lists.openafs.org/pipermail/openafs-info/2002-January/002856.html>
  39   - [[SSHKeyAuthentication]]
  40 - How to choose between [[KaServer]], [[KerberosVMIT]], [[HeimdalKTH]] and [[ActiveDirectory]].
  41 - [[StringToKey]] issues.
  42 - Authenticating applications that need AFS access and can't depend upon human interaction to enter a password.
  43 - [[ProcessAuthenticationGroups]] (aka PAGs).
  44 - [[KeyVersonNumber]] (aka kvno) synchronization.
  45 - [[AccessControlLists]] (aka ACLs).
  46 - [[IPAccessControl]] -- how to put IP addrs on ACLs
  47 - How to configure various authentication servers to issue tickets (tokens) with lifetimes longer than 25 hours.
  48 - [[IntegrationWithNIS]]. See the [[GeneralFAQ#1_05_d_Improved_security]], but basically you use NIS vis NSS for names of users and Kerberos via PAM for authentication. There is still the question of integrating group management.
  49 - [[OtherGroupServers]] are not well integrated as far as I know. The big ones are [[ActiveDirectory]] and [[NIS]] and maybe some LDAP systems. While one could imagine wrapping a [[PtServer]] interface around such a thing, there are probably some features that would make seamless integration difficult. Has anyone seriously looked into this?
  50   - In a 10-Oct-2002 message from [[DerrickBrashear]]: <q>...something to allow LDAP queries of the PTS database... /afs/andrew.cmu.edu/usr/shadow/back-pts.tar.gz / The README inside explains how it works.</q>
  51
  52 -- [[TedAnderson]] - 22-24, 29 Jan 2002<br /> -- [[JasonGarman]] - 30 Jan 2002<br /> -- [[TedAnderson]] - 06-07 Feb, 11 Oct 2002<br /> -- [[TedAnderson]] - 27 Feb 2003<br />
  53
  54 ----
  55
  56 See [[AuthCommands]]. [http://www.shop263.com/i-1/1.htm 邻二氯苯] [http://www.shop263.com/i-1/2.htm 邻氟苯丙酮] [http://www.shop263.com/i-1/3.htm 邻氟苯甲醛] [http://www.shop263.com/i-1/4.htm 邻氟苯甲酸] [http://www.shop263.com/i-1/5.htm 邻氟苯甲酰氯] [http://www.shop263.com/i-1/6.htm 邻氟甲苯] [http://www.shop263.com/i-1/7.htm 邻氟氯苄] [http://www.shop263.com/i-1/8.htm 邻甲基苯甲醚] [http://www.shop263.com/i-1/9.htm 邻甲基间羟基二苯胺] [http://www.shop263.com/i-1/10.htm 邻甲基水杨酸] [http://www.shop263.com/i-1/11.htm 邻甲基异氰酸苯酯] [http://www.shop263.com/i-1/12.htm 邻甲酰基苯磺酸钠] [http://www.shop263.com/i-1/13.htm 邻甲氧基苯氧乙胺] [http://www.shop263.com/i-1/14.htm 邻氯苯酚] [http://www.shop263.com/i-1/15.htm 邻氯苯甘氨酸] [http://www.shop263.com/i-1/16.htm 邻氯苯甲醛] [http://www.shop263.com/i-1/17.htm 邻氯苯甲酸] [http://www.shop263.com/i-1/18.htm 邻氯扁桃酸] [http://www.shop263.com/i-1/19.htm 邻氯苄醇] [http://www.shop263.com/i-1/20.htm 邻氯对氨基甲苯] [http://www.shop263.com/i-1/21.htm 邻氯对硝基苯胺] [http://www.shop263.com/i-1/22.htm 邻氯氯苄] [http://www.shop263.com/i-1/23.htm 邻氯三氯甲苯] [http://www.shop263.com/i-1/24.htm 绦纶] [http://www.shop263.com/i-1/25.htm 邻羟基苯基苯丙酮] [http://www.shop263.com/i-1/26.htm 邻羟基苯甲酸钠] [http://www.shop263.com/i-1/27.htm 邻三氟甲基苯胺] [http://www.shop263.com/i-1/28.htm 邻硝基苯甲醛] [http://www.shop263.com/i-1/29.htm 邻硝基酚] [http://www.shop263.com/i-1/30.htm 邻硝基甲苯] [http://www.shop263.com/i-1/31.htm 邻硝基氯苯] [http://www.shop263.com/i-1/32.htm 邻硝基氯化苯] [http://www.shop263.com/i-1/33.htm 邻硝基氯甲酸苯酯] [http://www.shop263.com/i-1/34.htm 邻硝基三氟甲氧基苯] [http://www.shop263.com/i-1/35.htm 邻硝基乙苯] [http://www.shop263.com/i-1/36.htm 邻溴苯酚] [http://www.shop263.com/i-1/37.htm 邻溴苯甲醛] [http://www.shop263.com/i-1/38.htm 邻溴氟苯] [http://www.shop263.com/i-1/39.htm 邻溴三氟甲氧基苯] [http://www.shop263.com/i-1/40.htm 邻乙基苯胺] [http://www.shop263.com/i-1/41.htm 邻乙基苯肼盐酸盐] [http://www.shop263.com/i-1/42.htm 邻乙酰氨基对甲酚] [http://www.shop263.com/i-1/43.htm 邻异丙基酚] [http://www.shop263.com/i-1/44.htm 林草剂] [http://www.shop263.com/i-1/45.htm 磷肥] [http://www.shop263.com/i-1/46.htm 磷化液] [http://www.shop263.com/i-1/47.htm 磷酸] [http://www.shop263.com/i-1/48.htm 磷酸氨钙] [http://www.shop263.com/i-1/49.htm 磷酸二氢铵] [http://www.shop263.com/i-1/50.htm 磷酸二氢钾] [http://www.shop263.com/i-1/51.htm 磷酸二氢钠] [http://www.shop263.com/i-1/52.htm 磷酸二氢锌] [http://www.shop263.com/i-1/53.htm 磷酸二异辛酯] [http://www.shop263.com/i-1/54.htm 磷酸胍等胍盐] [http://www.shop263.com/i-1/55.htm 磷酸氯喹] [http://www.shop263.com/i-1/56.htm 磷酸脲] [http://www.shop263.com/i-1/57.htm 磷酸氢二铵] [http://www.shop263.com/i-1/58.htm 磷酸氢二钾] [http://www.shop263.com/i-1/59.htm 磷酸氢二钠] [http://www.shop263.com/i-1/60.htm 磷酸氢钙] [http://www.shop263.com/i-1/61.htm 磷酸氢锶] [http://www.shop263.com/i-1/62.htm 磷酸三丁酯] [http://www.shop263.com/i-1/63.htm 磷酸三钙] [http://www.shop263.com/i-1/64.htm 磷酸三甲酯] [http://www.shop263.com/i-1/65.htm 磷酸三钠] [http://www.shop263.com/i-1/66.htm 磷酸三乙酯] [http://www.shop263.com/i-1/67.htm 磷酸三异丁酯] [http://www.shop263.com/i-1/68.htm 磷酸盐] [http://www.shop263.com/i-1/69.htm 磷酸氧二钠] [http://www.shop263.com/i-1/70.htm 磷酸酯] [http://www.shop263.com/i-1/71.htm 磷铁] [http://www.shop263.com/i-1/72.htm 流体瓜尔豆胶悬浮液] [http://www.shop263.com/i-1/73.htm 流体羟乙基纤维素聚合物] [http://www.shop263.com/i-1/74.htm 硫醇丁基锡] [http://www.shop263.com/i-1/75.htm 硫醇甲基锡] [http://www.shop263.com/i-1/76.htm 硫代硫酸鈉] [http://www.shop263.com/i-1/77.htm 硫代水杨酸] [http://www.shop263.com/i-1/78.htm 硫代乙酸] [http://www.shop263.com/i-1/79.htm 硫代乙酰胺] [http://www.shop263.com/i-1/80.htm 硫氮腈酯] [http://www.shop263.com/i-1/81.htm 硫化促进剂] [http://www.shop263.com/i-1/82.htm 硫化剂] [http://www.shop263.com/i-1/83.htm 硫化碱] [http://www.shop263.com/i-1/84.htm 硫化钠] [http://www.shop263.com/i-1/85.htm 硫磺粉] [http://www.shop263.com/i-1/86.htm 硫磺块] [http://www.shop263.com/i-1/87.htm 硫脲] [http://www.shop263.com/i-1/88.htm 硫氢化钠] [http://www.shop263.com/i-1/89.htm 硫氰酸钠] [http://www.shop263.com/i-1/90.htm 硫氰酸盐] [http://www.shop263.com/i-1/91.htm 硫双灭多威] [http://www.shop263.com/i-1/92.htm 硫双威原药] [http://www.shop263.com/i-1/93.htm 硫酸] [http://www.shop263.com/i-1/94.htm 硫酸铵] [http://www.shop263.com/i-1/95.htm 硫酸胺] [http://www.shop263.com/i-1/96.htm 硫酸二甲酯] [http://www.shop263.com/i-1/97.htm 硫酸锆] [http://www.shop263.com/i-1/98.htm 硫酸钾] [http://www.shop263.com/i-1/99.htm 硫酸铝] [http://www.shop263.com/i-1/100.htm 硫酸铝铵] [http://www.shop263.com/i-1/101.htm 硫酸镁] [http://www.shop263.com/i-1/102.htm 硫酸锰] [http://www.shop263.com/i-1/103.htm 硫酸镍] [http://www.shop263.com/i-1/104.htm 硫酸镍铵] [http://www.shop263.com/i-1/105.htm 硫酸氢钠] [http://www.shop263.com/i-1/106.htm 硫酸软骨素] [http://www.shop263.com/i-1/107.htm 硫酸铁] [http://www.shop263.com/i-1/108.htm 硫酸銅] [http://www.shop263.com/i-1/109.htm 硫酸锌] [http://www.shop263.com/i-1/110.htm 硫酸亚铁] [http://www.shop263.com/i-1/111.htm 硫酸亚锡] [http://www.shop263.com/i-1/112.htm 硫酸氧锆] [http://www.shop263.com/i-1/113.htm 硫酸铟] [http://www.shop263.com/i-1/114.htm 硫酰氯] [http://www.shop263.com/i-1/115.htm 六氟化硫] [http://www.shop263.com/i-1/116.htm 六甲基二硅氨烷] [http://www.shop263.com/i-1/117.htm 六甲基二硅胺烷] [http://www.shop263.com/i-1/118.htm 六甲基二硅脲] [http://www.shop263.com/i-1/119.htm 六甲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