GWC

Languages:

[[::GWC|English]] • [[::GWC/de|Deutsch]] • [[::GWC/es|Español]] • [[::GWC/fr|Français]] • [[::GWC/he|עברית]] • [[::GWC/it|Italiano]] • [[::GWC/nl|Nederlands]] • [[::GWC/pl|Polski]] • [[::GWC/pt|Português]] • [[::GWC/ru|Русский]] • [[::GWC/zh-hant|‪中文(繁體)]]

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Gnutella Web Cache

Gnutella requires Gnutella Web Caches (GWC) to get IPs to establish a connection to the network. These are critical to ensuring the health of the network. If you have a dedicated server and can spare some extra bandwidth then please consider running a GWC. People that don't have a dedicated server or are on normal broadband consumer lines should not run a cache from home.

A GWC is a simple script that can be put on any webserver that supports one of the following scripting languages:

• JSP (Java Servlet)
  • Jums Web Cache (Excellent for heavy loads)
• C
  • GhostWhiteCrab (For dedicated server environments and people who know how to compile C source code!)
• ASP
  • Gerry GWC
  • Lynn (v.s. 0.5)
  • Lynn (v.s. 0.4)
  • LynnX
• Perl
  • Jon Atkins' perlgcache
  • The original GnuWebCache

PHP (Tip: PHP GWCs are usually the easiest to run and setup on a server.)

• • PHPGnuCacheII
  • Bazooka G2WC
• The original GnuWebCache (PHP version is no longer supported)
  • Skulls! Multi-Network WebCache
  • Beacon Cache
  • Cachechu G2WC

Breakdown Of The Gnutella Web Caches:

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Cache:

Gnutella:

Gnutella2:

Spec 1:

Spec 2:

Flat-File:

SQL:

Installer:

Other Networks:

Different network instances: Beacon Cache (Core 2)

Yes

Yes

Yes

Yes

Yes

Yes (As of 0.2.0 Alpha)

Yes

Yes

Yes Beacon Cache (Core 1)

Yes

Yes

Yes

Yes

Yes

No

Yes

Yes

Yes Skulls

Yes

Yes

Yes

Yes

Yes

No

No

Yes

Yes JumsWebCache

Yes

Yes

Yes

Yes

Yes

No

No

Yes

Yes GnuWebCache (Perl)

Yes

Yes

Yes

Yes

Yes

No

No

Yes

Yes GnuWebCache (PHP)

Yes

No

Yes

No

Yes

No

No

No

No GhostWhiteCrab(GWC)

Yes

Yes

Yes

Yes

N/A

Yes

No PHPGnuCacheII

Yes

Yes

Yes

Yes

No

Yes

No

No

Yes Bazooka

No

Yes

No

Yes

Yes

No

Yes

No

No Cachechu

No

Yes

No

Yes

Yes

No

No

No

No Perlgcache

Yes

No

Yes

Yes

Yes

No

No

No

No Gerry GWC (v2)

Yes

No

No

Yes

Yes

No

No

No

No Gerry GWC (v1)

Yes

No

Yes

No

Yes

No

No

No

No Lynn

Yes

No

Yes

No

Yes

No

No

No

No LynnX

Yes

No

No

Yes

Yes

No

No

No

No

<End of table content>

Shareaza Specific Details

• Get String Breakdown:

         o Update a leaf
               + "?update=1&ip=(ip):(port)&x_leaves=(leaf count) 
         o Ping Variable
               + Appends &ping=1 to identify the cache name in debug messages (for gnutella and gnutella2 in 2.4.0.0, but only for gnutella2 now in 2.4.0.X for spec1 cache compatibility).
               + This feature new to Shareaza. 
         o Network Variable
               + Appends &net=gnutella2 on Gnutella2 queries.
               + Does NOT append a network variable on Gnutella(1) queries. 
         o Client Name / Version Format (2.4.0.0 and earlier):
               + &client=(Shareaza 4 letter code (RAZA / RAZB) )
               + &version=(Shareaza's version) 
         o Client Name / Version Format (2.4.0.X):
               + If Gnutella
                     # &client=(Shareaza 4 letter code (RAZA / RAZB) )
                     # &version=(Shareaza's version) 
               + If Gnutella2
                     # &client=(Shareaza 4 letter code (RAZA / RAZB) )+(Shareaza's version) 

• GWC Response Matching:

         o i|
               + Informational output alone will not be taken as GWC 'success.' 
         o i|access|period|(time in sec.)
               + Time in seconds before Shareaza is allowed to make a request to the cache. 
         o i|update|period|(time in sec.)
               + Time in seconds before Shareaza is allowed to update to the cache. 
         o i|force|remove and i|update|warning|bad url
               + Remove the GWC from the internal list. 
         o Some Response Matches (added in 2.3.1.X)
               + i|NO-URL-NO-HOSTS
                     # Outputs warning of the cache being totally empty to the system log. 
               + i|NO-URL
                     # Outputs warning of the cache having no alternative URLs to the system log. 
               + i|NO-HOSTS
                     # Outputs warning of the cache having no hosts to the system log. 
               + i|warning|
                     # Outputs warning of the cache to the system log. 
               + ERROR Something Failed
                     # Outputs warning of the cache to the system log(Buggy Bazooka GWCs workaround). 
               + i|warning|You came back too early (2.3.1.X)
               + i|warning|client|early (2.3.1.X)
               + WARNING: You came back too early (2.3.1.X)
               + ERROR: Client returned too early (2.3.1.X)
                     # Flood detection for the update side.
                     # Outputs GWebCache(update) Too many connection attempts to the system log. 
               + too early (2.3.1.X)
               + early (2.4.0.X)
                     # Flood detection for the request side.
                     # Outputs GWebCache URL: Too many connection attempts to the system log. 
               + i|update|OK
                     # Outputs "GWebCache(v2) Update Passed: " to the system log. 
               + OK
                     # Outputs "GWebCache(v1) Update Passed: " to the system log. 

• GWC Response Matching:

         o i|
               + Informational output alone will not be taken as GWC 'success.' 
         o i|access|period|(time in sec.)
               + Time in seconds before Shareaza is allowed to make a request to the cache. 
         o i|update|period|(time in sec.)
               + Time in seconds before Shareaza is allowed to update to the cache. 
         o i|force|remove and i|update|warning|bad url
               + Remove the GWC from the internal list. 
         o Some Response Matches (added in 2.3.1.X)
               + i|NO-URL-NO-HOSTS
                     # Outputs warning of the cache being totally empty to the system log. 
               + i|NO-URL
                     # Outputs warning of the cache having no alternative URLs to the system log. 
               + i|NO-HOSTS
                     # Outputs warning of the cache having no hosts to the system log. 
               + i|warning|
                     # Outputs warning of the cache to the system log. 
               + ERROR Something Failed
                     # Outputs warning of the cache to the system log(Buggy Bazooka GWCs workaround). 
               + i|warning|You came back too early (2.3.1.X)
               + i|warning|client|early (2.3.1.X)
               + WARNING: You came back too early (2.3.1.X)
               + ERROR: Client returned too early (2.3.1.X)
                     # Flood detection for the update side.
                     # Outputs GWebCache(update) Too many connection attempts to the system log. 
               + too early (2.3.1.X)
               + early (2.4.0.X)
                     # Flood detection for the request side.
                     # Outputs GWebCache URL: Too many connection attempts to the system log. 
               + i|update|OK
                     # Outputs "GWebCache(v2) Update Passed: " to the system log. 
               + OK
                     # Outputs "GWebCache(v1) Update Passed: " to the system log. 

Gnutella Web Cache Specifications

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Specification 1:

   * Networks Served
         o Gnutella 
   * Format
         o Update went fine:
               + Ex: OK 
         o Update Warning (Small prob., not that bad):
               + Ex: 

OK WARNING: Error Message

   * Severe Warning (No 'OK' message sent)
         o Ex: 

WARNING: Error Message

   * URL Output:
         o Ex: http://somefreakinrandomcache.com/cache/gcache.php
               + OR - WITH A PORT NUMBER (If not 80)
                     # Ex: http://somefreakinrandomcache.com:8080/cache/gcache.php 
   * Host Output:
         o Ex: 66.132.55.12:6346 
   * Pong (ping variable response) - was explained below under the topic: variables.
   * Example Cache Output (Beacon Cache) For urlfile Command
         o Example "urlfile Output" URL: Ex: http://grantgalitz.com/Beacon/gwc.php?ping=1&client=RAZA&version=2.3.1.3&urlfile=1
               + Example URL Output: 

Getting urls with a pong combined

PONG Beacon Cache 0.1.5D Beta http://gwc.frodoslair.net/skulls/skulls.php http://bbs.robertwoolley.co.uk/GWebCache/gcache.php http://g2.tjtech.org/g2/ http://g2.tjtech.org/g2/index.php http://gwc.monnsta.net/ http://holograph.uni.cc/other/skulls.php http://gwc.nickstallman.net/ http://gwc.eod.cc/skulls.php http://gwc.frodoslair.net/skulls/skulls http://gwc.werwin.net/skulls.php

   * Example Cache Output (Beacon Cache) For hostfile Command
         o Example "hostfile Output" URL: Ex: http://grantgalitz.com/Beacon/gwc.php?ping=1&client=RAZA&version=2.3.1.3&hostfile=1
               + Example Host Output: 

Getting the hosts with a pong combined

PONG Beacon Cache 0.1.5D Beta 71.8.84.153:3915 99.248.214.157:27529 69.60.241.55:16369 193.253.239.246:30218 68.156.175.121:6348 71.179.7.241:18344 74.196.22.241:6348 12.210.197.194:10531 222.150.143.77:10000 58.85.231.135:6346 24.141.199.164:20205 72.175.201.195:6348 69.81.129.228:4880 97.81.221.63:13219 70.15.130.224:7759 216.211.188.106:51903 75.167.168.156:48660 12.214.14.3:35916 76.177.244.106:24180 98.165.218.139:39630 68.112.182.125:3685 68.117.204.57:23482 65.12.154.25:40760 69.180.47.169:5711 75.138.40.173:24987 98.201.19.0:33662 70.187.2.144:6348 68.186.209.107:14429 69.159.7.61:6348 76.208.176.196:48199

   * For combining a hostfile and urlfile request:
         o Warning: This is non-standard.
         o Example Cache Output (Beacon Cache) For bfile Command
               + Example "bfile Output" URL: Ex: http://grantgalitz.com/Beacon/gwc.php?ping=1&client=RAZA&version=2.3.1.3&bfile=1
                     # Example Host and URL Output: 

Getting the hosts and urls with a pong combined

PONG Beacon Cache 0.1.5D Beta 71.8.84.153:3915 99.248.214.157:27529 69.60.241.55:16369 193.253.239.246:30218 68.156.175.121:6348 71.179.7.241:18344 74.196.22.241:6348 12.210.197.194:10531 222.150.143.77:10000 58.85.231.135:6346 24.141.199.164:20205 72.175.201.195:6348 69.81.129.228:4880 97.81.221.63:13219 70.15.130.224:7759 216.211.188.106:51903 75.167.168.156:48660 12.214.14.3:35916 76.177.244.106:24180 98.165.218.139:39630 68.112.182.125:3685 68.117.204.57:23482 65.12.154.25:40760 69.180.47.169:5711 75.138.40.173:24987 98.201.19.0:33662 70.187.2.144:6348 68.186.209.107:14429 69.159.7.61:6348 76.208.176.196:48199 http://gwc.frodoslair.net/skulls/skulls.php http://bbs.robertwoolley.co.uk/GWebCache/gcache.php http://g2.tjtech.org/g2/ http://g2.tjtech.org/g2/index.php http://gwc.monnsta.net/ http://holograph.uni.cc/other/skulls.php http://gwc.nickstallman.net/ http://gwc.eod.cc/skulls.php http://gwc.frodoslair.net/skulls/skulls http://gwc.werwin.net/skulls.php

   * Variables
         o Mandatory
               + ping:
                     # Response should have this always: PONG
                     # After, put the cache's name. ex: PONG fakecache 0.01
               + client:
                     # Four letter code of the client. ex: RAZA 
               + version:
                     # Version number of the client. 
               + urlfile:
                     # Used by the client to request alternate cache urls. 
               + hostfile:
                     # Used by the client to request IPs with port numbers attached. 
               + url:
                     # Client update giving an alternate cache URL.
                     # Formatted with a http:// prefix to each cache. 
               + ip:
                     # Client update giving one's IP to submit. 
               + url1:
                     # OLD OUTDATED Client update giving an alternate cache URL.
                     # Formatted with a http:// prefix to each cache. 
               + ip1:
                     # OLD OUTDATED Client update giving one's IP to submit. 
         o Optional
               + bfile:
                     # For clients to request both URLs and IPs from the cache at the same time. 
               + statfile:
                     # Statistics of the cache request:
                           * First line: Total requests of the cache number.
                           * Second line: Requests of the cache an hour number.
                           * Third line: Updates of the cache an hour number. 

Specification 2:

   * Networks Served
         o Gnutella, Gnutella2, etc. 
   * Format
         o Information Output
               + Starts with: I|
                     # Categories
                           * Pong (ping variable response) - Described below under the topic: variables.
                           * Update Status Response
                                 o Format: I|update
                                 o Responses
                                       + I|update|OK
                                             # - Everything went fine. 
                                       + I|update|OK|WARNING
                                             # Small warning. 
                                       + I|update|WARNING
                                             # Severe warning 
                           * Plain Warnings
                                 o Format: I|WARNING
                                       + Append any warning messages after it - Ex: I|WARNING|You came back too early 
                           * Extra Info - Described below under the topic: variables. 
         o Host Output
               + Starts with: H|
               + Add the IP with its port:
                     # Ex: H|0.0.0.0:6346 
               + Add the time, thereafter, of the host's (In seconds*) time in cache:
                     # Ex: H|0.0.0.0:6346|45 
               + If cluster exists with cluster=somerandomwords
                     # Add the clustered words after the host's age:
                           * Ex: H|0.0.0.0:6346|45|somerandomwords 
         o URL Output
               + Starts with: U|
               + Add the URL with http:// before it, plus the port (if it's not 80).
                     # Ex: U|http://somerandomcache.com/ 
               + Add the time, thereafter, of the URL's time (In seconds*) in cache:
                     # Ex: U|http://somerandomcache.com/%7C45 
         o Example Cache Output (Beacon Cache) For get Command
               + Example URL: http://grantgalitz.com/Beacon/gwc.php?get=1&client=RAZA&version=2.3.1.3&net=gnutella2&ping=1
                     # Example "Get" Output: 

Getting the hosts and urls with a pong combined

I|pong|Beacon Cache 0.1.5D Beta|gnutella-gnutella2 H|65.9.200.243:4968|248261 H|68.228.129.75:44599|242678 H|98.240.196.122:8206|240719 H|76.104.12.133:14921|218273 H|69.136.1.12:3924|211610 H|81.154.208.71:8595|174402 H|97.96.105.51:2076|153610 H|74.192.153.212:39340|144203 H|72.190.106.57:12584|132984 H|78.93.71.132:12334|125668 H|82.43.248.184:27560|97974 H|196.205.224.97:6357|86763 H|74.129.219.30:33172|82005 H|76.104.12.133:19185|57182 H|69.59.83.131:18442|38628 U|http://www.k33bz.com/g2/bazooka.php%7C248639 U|http://gwebcache.ns1.net/%7C248592 U|http://gwc2.wodi.org/skulls.php%7C248384 U|http://gwc.guufshop.com/skulls/skulls.php%7C248322 U|http://groovy.syxy.com/up/skulls.php%7C248300 U|http://g2.tjtech.org/g2/index.php%7C247770 U|http://midian.jayl.de/g2/bazooka.php%7C240719 U|http://www.dom2porno.info/skulls/skulls.php%7C207473 U|http://gwc.frodoslair.net/skulls/skulls%7C125668 U|http://holograph.uni.cc/other/skulls.php%7C9642

   * Variables
         o Mandatory
               + ping:
                     # Main Part: I|pong|
                     # Then add the cache name and version: I|pong|fakecache 0.01
                     # Then lastly add the network support:
                           * I|pong|fakecache 0.01|gnutella
                                 o - Gnutella only 
                           * I|pong|fakecache 0.01|gnutella2
                                 o - Gnutella2 only 
                           * I|pong|fakecache 0.01|gnutella-gnutella2
                                 o - Gnutella and Gnutella2 served 
               + get:
                     # Used by clients to requests alternate cache URLs along with IPs and their port numbers. 
               + update:
                     # url:
                           * Client update giving an alternate cache URL.
                           * Formatted with a http:// prefix to each cache. 
                     # ip:
                           * Client update giving one's IP to submit. 
               + net:
                     # Which network to serve the client.
                           * Gnutella
                                 o Ex: net=gnutella 
                           * Gnutella2
                                 o Ex: net=gnutella2 
                           * Should always be lowercase
                                 o GWCs should automatically convert network name given to lowercase to prevent Net ID mismatches 

solely on case alone.

   *
         o
               + client:
                     # Four letter code of the client. ex: RAZA 
               + version:
                     # Version number of the client. 
         o Optional
               + cluster:
                     # To add extra info to an IP update.
                           * Output by cache: H|0.0.0.0|AGE OF HOST (Seconds)|clustering some bull**** 
               + statfile:
                     # Exactly like the specification 1 statfile (Same routine and output style).
                     # Statistics of the cache request:
                           * First line: Total requests of the cache number.
                           * Second line: Requests of the cache an hour number.
                           * Third line: Updates of the cache an hour number. 

Specification 2.1

   * This is an extension of specification 2, not a separate specification!
   * Pong extension
         o Append the networks supported joined by a hyphen '-'.
         o Used for client-side validation of networks supported and for network support reporting to other web caches.
         o Format:
               + I|pong|cache name|network names joined by '-'
               + Format Examples:
                     # I|pong|fakecache 0.01|gnutella
                           * - Gnutella only 
                     # I|pong|fakecache 0.01|gnutella2
                           * - Gnutella2 only 
                     # I|pong|fakecache 0.01|gnutella-gnutella2
                           * - Gnutella and Gnutella2 served 
   * Host Output
         o Just like specification 2, but with more fields supported for host output.
               + H|ip:port|age in cache|clustering|leaves|4 letter vendor code|reported uptime of host|max. leaves possible
                     # The host, age, and clustering fields are all still the same as in specification 2.
                     # The leaf count of the hub reported is in the 5th field.
                     # The vendor code with version number is in the 6th field. 
   * Request Control Variables:
         o getleaves
               + Used to obtain leaf counts of hubs given
               + 4th field ultilized for current leaf count.
               + 7th field ultilized for maximum leaf slots possible.
               + Use this as 'getleaves=1' or 'getleaves' to enable. 
         o getclusters
               + Enables/Disables clustering.
               + Use this as 'getclusters=1'.
               + Using 'getclusters' or 'getclusters=0' disables cluster output. 
         o getvendors
               + Used to obtain the vendor code w/ version number of the hubs given.
               + Found in the 5th field.
               + Use this as 'getvendors=1' or 'getvendors' to enable. 
         o getuptime
               + Used to obtain the vendor code w/ version number of the hubs given.
               + Value is static, do not change the value given when time passes.
               + Found in the 6th field.
               + Use this as 'getuptime=1' or 'getuptime' to enable. 
         o spec
               + To force the specification parameter
               + Currently is only supported by Beacon Cache II 
         o pv
               + Similar to the 'spec' parameter, except that it does not force, instead it simply negotiates the specification. 
   * Special Data Requests
         o info
               + Outputs extra details of your cache.
                     # Start with the informational response: I|
                           * Ex: I|open-source|1 
         o support
               + Outputs USEFUL details of your cache.
                     # Start with the informational response: I|
                           * Ex: I|support|gnutella2 
         o getnetworks
               + Outputs the enabled networks in two formats.
                     # Start with the informational response: I|
                           * For the 'I|nets|' line
                                 o The third field contains the supported networks joined by '-'. 
                           * For the 'I|networks|' line
                                 o Interpret the fields from 3 and beyond as individual network names to challenge against. 
                     # Examples
                           *
                                 o I|net|gnutella-gnutella2
                                 o I|networks|gnutella|gnutella2 
   * Update Extension Variables:
         o x_leaves
               + Number of leaves running on a given hub or ultrapeer.
               + Value must not be greater than an integer value of 2047. 
         o x_max
               + Maximum number of leaves possible on a given hub or ultrapeer.
               + Value must not be greater than an integer value of 2047. 
         o uptime
               + Value submitted must be an integer value of the number of seconds of uptime.
               + Value must not be greater than an integer value of 1 year (31536000) and less than 1 hour (60). 

Pinging Caches With Your Cache

   * Please follow this standard:
         o Client: TEST
         o Version: Your Cache's Name
               + The old value for "version" was 1 
   * Some variables to attach to the ping (compatibility):
         o multi
               + Used by some gwcs in their pings to other gwcs.
               + It tells the pinged cache to ignore the "net" parameter (so it should never say network not supported) and outputting the pong using this format, if possible, "I|pong|[cache name] [cache version]|[supported networks list]|[url adding is enabled]" - example: I|pong|Skulls 0.2.8a|gnutella-gnutella2|1
               + Used by Skulls GWC only. 
         o cache
               + This is added to every request made by some gwcs, it is for statistical purposes only.
               + It simply tells the remote cache that the client is a GWC. 
   * Help
         o For PHP
               + Use the fsockopen() function to open a connection to a cache.
                     # Make sure you "write" to the fsockopen carry value to open the GWC's target file.
                           * http://us.php.net/manual/en/function.fsockopen.php 

Variable Combination Standards

   * Net variable decides specification!
         o There are many ways to determine spec., but going with net is the safe way.
         o Skulls GWC does not use the network parameter to determine specification level.
         o Beacon Cache (I and II) uses the network parameter to determine the specification level. 
   * Your cache needs to be able to process certain combinations of variables.
         o Update variable
               + Update should not fail if absent if spec. 2.
                     # A Specification 2 parameter. 
   * Spec 1 parameters used in Spec 2:
         o Should still accept hostfile and urlfile responses for spec. 2.
               + Beacon Cache (I and II) accepts these parameters on spec 2. 
   * The 'spec' paameter can be used to force a specification:
         o Only known to exist in Beacon Cache II, it can force the request to be handled as a specification 1 or 2 request.
         o Spec 1 = 'spec=1'
         o Spec 2 = 'spec=2'
         o If 'spec' is not equal to any current spec, then default to the predetermined spec. 
   * Multiple variable requests
         o If for instance a ping and request exist, you should always handle them properly.
               + Same goes with other combos like an update and ping, statfile + ping and info. 
         o Handle multiple variables as BEST as possible!
               + Some scanners and GWCs like to fit all their requests into one URL send. 

<row recovery, end>

Further Information:

• Original GWC site
  • GWC Spec. 1
  • GWC Spec. 2

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Gnutella Web Cache

Gnutella requires Gnutella Web Caches (GWC) to get IPs to establish a connection to the network. These are critical to ensuring the health of the network. If you have a dedicated server and can spare some extra bandwidth then please consider running a GWC. People that don't have a dedicated server or are on normal broadband consumer lines should not run a cache from home.

A GWC is a simple script that can be put on any webserver that supports one of the following scripting languages:

• JSP (Java Servlet)
  • Java Servlet GWebCache Application (Archive.org)
• C
  • GhostWhiteCrab
• Perl
  • Jon Atkins' perlgcache
  • The original GnuWebCache
• PHP
  • PHPGnuCacheII - MySQL
  • Bazooka G2WC (recommended) - flat files
  • Skulls! Multi-Network WebCache - flat files

Further Information:

• GWC site