Network System Laboratory - Backup source of sl_info (E)(No. 4)

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* sl_info [#m5c8d9be]
[[日本語はこちら>sl_info]]~

** Outline [#uf52edaf]
- ''sl_info'' is an Information Server for Second Life and is used with ''[[sl_relay>sl_relay (E)]]''.
- ''sl_info'' collects information on users (avatars) and SIMs through ''[[sl_relay>sl_relay (E)]]''.
- The accessibility of specific SIMs through ''[[sl_relay>sl_relay (E)]]'' is controlled based on collected information (avatar identity, viewer ip address and SIM name) and referenced to information kept in a white list. ''sl_info'' uses this information to inform ''[[sl_relay>sl_relay (E)]]'' if access is permitted.

- ''sl_info'' is part of ''[[sl_proxy>sl_proxy (E)]]''.
- Current version is ''1.0.1''  (5 March '09)
#br

*** Function Outline [#gd1c99c9]
+The status of Relay Server (''[[sl_relay>sl_relay (E)]]'') can be monitored.
+Information on SIMs can be collected via relay server (''[[sl_relay>sl_relay (E)]]'').
+It notifies Relay Server (''[[sl_relay>sl_relay (E)]]'') whether a particular SIM should be accessible according to the rules of the white list.

***Annoyances and Bugs. [#ie9ebcd0]
+Information is saved in a plain file or a Berkeley DB file. SQL databases are not supported.
+It is only possible to collect data for a SIM that is listed in the rules of the white list.

** Explanation [#y7c7c0f1]
+ [[Gathering and Tendering of Information>./Gathering and Tendering of Information]]
+ [[White List  Filter>./White List Filter]]
+ [[SIM Data Base>./SIM DB]]
+ [[How the server operates with two or more network interfaces>/sl_proxy (E)/two or more network interfaces]]
+ [[Log and Debug Mode>./Log and Debug Mode]]
+ [[Security>./Security]]

** Configuration [#tef5ed9b]
-The default configuration file is ''/usr/local/etc/sl_proxy/sl_info.conf''.
-It is also possible to specify an alternate configuration file using the ''-f'' option of ''sl_info''.
-Because the configuration file is read before ''sl_info'' does the switch to the effective user, exec user should be able to be read.
-The setting of each item is described in the configuration file. Empty lines or lines starting with # are not read.
#br

*** Items [#laa827ef]
**** Communication port with Relay Server [#m82426f3]
-[[MinUdpGatherPort>./MinUdpGatherPort]]
-[[MaxUdpGatherPort>./MaxUdpGatherPort]]
-[[MinUdpInfoPort>./MinUdpInfoPort]]
-[[MaxUdpInfoPort>./MaxUdpInfoPort]]

**** White List [#eac1e774]
-[[White_List_File>./White_List_File]]

**** Access Control [#za8cdea9]
-[[Hosts_Allow_File>/sl_proxy (E)/Hosts_Allow_File]]

**** Etc. etc. [#yc280aa9]
-[[Temp_File_Dir>/sl_proxy (E)/Temp_File_Dir]]
-[[MaxIdleTime>/sl_proxy (E)/MaxIdleTime]]
#br

** Execute Options [#nb85999c]
 sl_info  [-p port_no] [-f config_file] [-u user_name] [-i interface_address]
          [-pid pid_file] [-l [agent_log]] [-v syslog_level]
          [-fdb] [-wf [white_list]] [-d]
          [--version] [--help] [-h]

 -p   : port number that Relay Server(sl_relay) connects. default is 8200.
 -f   : configuration file. default is /usr/local/etc/sl_proxy/sl_cahe.conf
 -u   : specify effective user.
 -i   : specify sl_relay side network interface IP address.
        if your server has two network interface and more, you need to use this option.

 -pid : specify pid file.
 -l   : specify log file. default log file is /var/sl_proxy/slcache.log
 -v   : level of syslog. default is LOG_INFO (7).

 -wf  : Information on the white list is offered.
        The access limitation to SIM is done in cooperation with sl_relay.

 -fdb : Berkeley DB is used for the data base. default is plain file.
 -d   : debug mode. display debug information.

 --version  : display Version information.
 --help, -h : display this Help messages.

** Limitation by White List [#rbb4b9bc]
-Snap Shot of Viewer at same Location and same Time. Right is Forbidden Avatar’s view.

#ref(sl_info_forbidden.jpg)
&br;

**Processes [#b015ec30]
#ref(sl_info.png)

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Backup list of sl_info (E)
Backup source of sl_info (E)(No. All)
- 1: 2008-12-21 (Sun) 03:29:18 gambled
- 2: 2009-01-09 (Fri) 02:30:13 iseki
- 3: 2009-03-13 (Fri) 03:14:46 iseki
- 4: 2010-04-28 (Wed) 00:45:01 admin
- Cur: 2011-09-28 (Wed) 11:30:48 admin

Backup source of sl_info (E) (No. 4)

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