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

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* sl_proxy [#g04d38cd]
[[日本語はこちら>sl_proxy]]~

** Outline [#f1f72fb2]
- ''sl_proxy'' is a Proxy System for Second Life.
- This system consists of a Packet Relay Server(''[[sl_relay>sl_relay (E)]]'') , a Texture Cache Server(''[[sl_cache>sl_cache (E)]]'') and an Information Server(''[[sl_info>sl_info (E)]]'') all running on Linux.
- So, ''sl_proxy = [[sl_relay>sl_relay (E)]] + [[sl_cache>sl_cache (E)]] + [[sl_info>sl_info (E)]]''.

- ''[[sl_relay>sl_relay (E)]]'' relays UDP/HTTP(S) packets to a Second Life SIM Server.
- ''[[sl_cache>sl_cache (E)]]'' caches UDP Texture data from a SIM Server.
- ''[[sl_info>sl_info (E)]]'' gathers agents and SIMs infomation from ''[[sl_relay>sl_relay (E)]]''. It is also possible to limit access to inappropriate or undesirable SIMs through the use of a white list.

- You can run a Second Life viewer from a PC with private IP address behind a firewall.

- ''sl_proxy'' was made to be used in public organizations such as Universities.
- Its use is free for educational institutions (''free for non-commercial use'').

- Current version is ''1.6.1'' (6 Oct. '08).

- ''Note:'' ''sl_proxy'' is not [[SLProxy>http://www.libsecondlife.org/wiki/SLProxy]].

** sl_relay [#v776448d]
- [[sl_relay>sl_relay (E)]] is a Relay Server for Second Life. It relays UDP/HTTP(S) packets to a Second Life SIM Server.
- For more information please see [[sl_relay>sl_relay (E)]].

** sl_cache [#i3fc150e]
- [[sl_cache>sl_cache (E)]] is a Texture Cache Server for Second Life.
- For more information please see [[sl_cache>sl_cache (E)]].

** sl_info [#lce74dbc]
- [[sl_info>sl_info (E)]] is an Information Server.
- [[sl_info>sl_info (E)]] gathers agents and SIM infomation from [[sl_relay>sl_relay (E)]].  It is used to monitor usage of [[sl_relay>sl_relay (E)]].
- [[sl_info>sl_info (E)]] is also used to provide the white list of SIMs.
- For more information please see [[sl_info>sl_info (E)]].

** Bugs [#x23e704b]
- You  might see the same message two or more times in IM or chat. The cause is unknown.
- ''[[slvoice>slvoice (E)]]'' does not work with ''sl_proxy''.

** Installation [#ef6ee474]

*** Download [#l99bf46f]
- http://www.nsl.tuis.ac.jp/xoops/modules/d3downloads/index.php?page=singlefile&cid=4&lid=1

*** Compile and Install [#zaeef45e]
- This software needs the development environments for ''OpenSSL'', ''zlib'' and (optionally) ''Berkeley DB (4.2).''
- If necessary please install them before proceeding.
- The ''--enable-db'' option enables the use of Berkeley DB and can be omitted.

 # zcat sl_proxy-X.Y.Z.tar.gz|tar xfv -
 # cd TUIS_Lib
 # ./configure  --enable-db
 # make
 # cd ../sl_proxy-X.Y.Z
 # ./configure  --enable-db
 # make
 # make install

- If you use ''Gentoo Linux'', please read [["Install to Gentoo Linux Documention">sl_proxy (E)/Install/Gentoo]] by Uwe.  Original File: [[README_on_gentoo>http://www.nsl.tuis.ac.jp/etc/SL/README_on_gentoo_1.6.1]]

*** Running sl_proxy[#i98de792]
- Execution
 # /etc/init.d/sl_info start
 # /etc/init.d/sl_cache start
 # /etc/init.d/sl_relay start

- Monitoring of Users
 # tail -f /var/sl_proxy/sl_info_agent.log

- Stop
 # /etc/init.d/sl_relay stop
 # /etc/init.d/sl_cache stop
 # /etc/init.d/sl_info stop

*** SL Viewer (MS Windows) Setting [#re0a899d]
- add exec option.... --loginuri http://FQDN:8100/cgi-bin/login.cgi
 > SecondLife.exe --loginuri http://FQDN:8100/cgi-bin/login.cgi
- FQDN is proxy server's FQDN or IP address. 8100 is port number the Viewer connects to.(-p option)
- Changes are made by editing the Target filed of the Second Life shortcut icon.

** Second Life Protocol Information  [#k8bdfee4]
- [[Protocol Transform>Second Life/Protocol]] (Japanese only)

- Login Sequence
-- [[Login request  >http://www.nsl.tuis.ac.jp/etc/SL/Login_Req.html]]　（Viewer -> Login Server)
-- [[Login response>http://www.nsl.tuis.ac.jp/etc/SL/Login_Res.html]]　（Login Server -> Viewer)
- TCP (HTTP/HTTPS)
- [[UDP>Second Life/Protocol/UDP]] (Japanese only)

** Etc. etc. [#z90fd9fa]
- [[FAQ & Troubleshooting>./FAQ]]

** License. [#o6af16c3]
This software is free for non-commercial use. Distribution and the use library is also free for non-commercial use.
Distribution must include all elements as provided, including the library. Copyright notices to all material must remain intact and as displayed in all components.

If you wish to use this software for business (i.e. when you demand value from sales, use, or otherwise from this software), please send e-mail to iseki@solar-system.tuis.ac.jp.


** Disclaimer. [#jbcf6f91]
This software is not guaranteed at all. The author makes no representations regarding the fitness of this software and does not assume responsibility for any problems that may occur with the use, remodeling, or re-distribution of this software under any circumstances.
Use is entirely at your own risk.

** Acknowledgments. [#s49e6ef3]

This product uses software developed by the ''OpenSSL'' Project for use in the ''OpenSSL'' Toolkit (http://www.openssl.org/ ) and the  ''zlib'' library  (http://www.zlib.net/ ).  ''Berkeley DB'' is an optional component of the software.

Information on Second Life protocols has been obtained from the ''libsecondlife''(http://www.libsecondlife.org/ ) web pages.

GNU ''autoconf'' is used for the construction of this program and ''Subversion'' is used for the version management.

''[[README_on_gentoo_1.6.1>http://www.nsl.tuis.ac.jp/etc/SL/README_on_gentoo_1.6.1]]'' is written by ''Uwe aka slick''.

Proofreading and some corrections to the sl_proxy English Wiki pages were done by ''David Gamble''.

''Thank you very much!!!''
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