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Table of Contents

[hemmerling] Content Management Systems ( CMS )

Related pages:

Conferences & Fairs

Archive Software

Backup Software

LAMPs, WAMPs

LAMPs

WAMPs

Addons

Access Control ( .htaccess, .htpasswd, .htdigest, Certificates, OAuth, ... )

Official Server Documentation

.htaccess, .htpasswd

Free online .htaccess Password Generators

Certificates

OAuth

Resources

Enabling ".htaccess" by Apache "httpd.conf"

ErrorDocument

False Configuration #1
  • Apache Friends Support Forum "ErrorDocument".
  • File ”.htaccess”
    ErrorDocument 404 "E:/404.htm"
# Firefox, special Firefox message "The address wasn’t understood. An error occurred during a connection to localhost. You might need to install other software to open this address".
False Configuration #2
  • File ”.htaccess”
    ErrorDocument 404 "E:\404.htm"
# Firefox, standard Apache message: "Internal Server Error".
# Apache log:
# ".htaccess: Cannot parse expression in ErrorDocument: Escape sequence out of bound"
Proper Configuration
  • No Windows path starting with drive letter ( “C:\...” ), no Windows backslashes ( “\” ) :-).
  • Apache “http.conf”
    Alias /content/ e:/users/public/htdocs/content/
  • File ”.htaccess”
    # ErrorDocument 500 "The server made a boo boo."
ErrorDocument 404 /content/01/php/errors/404.htm
ErrorDocument 403 /content/01/php/errors/403.htm
ErrorDocument with dynamically calculated Path instead of Path from DocumentRoot

.htdigest

Resources

HTTPS / SSL for XAMPP 1.7.7 with PHP5.3

Theory by Google AI

  • XAMPP 1.7.7 does not support TLS 1.2 out of the box. Released in 2011, it contains legacy versions of Apache (2.2.21) and OpenSSL (1.0.0e), which predate the widespread adoption of TLS 1.2.
  • Which means its default SSL/TLS configuration is severely outdated and defaults to SSLv3 and TLS 1.0.
  • TLS 1.2 requires at least OpenSSL 1.0.1.
  • The first XAMPP versions to include native TLS 1.2 support were those bundled with PHP 5.5.x.
  • Firefox 73 is the newest version of the Firefox browser that supported TLS 1.0 and TLS 1.1 by default.
  • XAMPP 1.8.3-0 was the very first stable production version of XAMPP to feature PHP 5.5.x.
  • Windows Blog "Modernizing TLS connections in Microsoft Edge and Internet Explorer 11", 2018-10.
  • Windows Blog "Plan for change: TLS 1.0 and TLS 1.1 soon to be disabled by default".
    • Update as of 08/10/2022: We are updating the timeframe for disabling TLS 1.0 and TLS 1.1 by default for Internet Explorer and EdgeHTML, the rendering engine for the WebView control. TLS 1.0 and TLS 1.1 will be disabled by default for both starting September 20, 2022.
    • Please note: We are not deprecating TLS 1.0 and TLS 1.1 support. We are simply disabling it by default, giving organizations the option to turn it back on through Group Policy (if needed, for compatibility reasons). Individuals can turn it back on for their personal devices by navigating to Tools > Internet Options > Advanced in Internet Explorer.
    • For Microsoft Edge (based on Chromium), TLS 1.0 and TLS 1.1 were disabled by default starting in Microsoft Edge, version 84. The SSLVersionMin policy that permitted the enablment of legacy protocol versions was removed starting in Microsoft Edge, version 91.

Practical Installation

  1. For testing of a new “server.crt”, please save the original “\xampp\apache\conf\ssl.crt\server.crt”
    copy server.crt server_org.crt
  2. ADAM - Specialising in Technology Solutions for Schools "Setup HTTPS in XAMPP".
    • “\xampp\apache\conf\ssl.crt\server.crt” was generated by makecert :-).
      copy server.crt server-ca.crt
    • “\xampp\apache\conf\extra\httpd-ssl.conf” contains a line which mustn't be activated:
      #SSLCertificateChainFile "conf/ssl.crt/server-ca.crt"
  3. DEV.TO "How to enable HTTPS on XAMPP server".
  4. GitHub Gist "adnan360/https-on-localhost.md" - “Use HTTPS on Localhost (XAMPP, Windows)”.
    • STEP 1:
      • “User user” did not exist in “httpd.conf” - At “node4”:
        User node4
Group node4
    • STEP2:
      • “makecert” has be started by PowerShell by ”.\makecert.bat”.
      • “PEM pass phrase” - At “node4”:
        node4
      • “Verifying - Enter PEM pass phrase” - At “node4”:
        node4
      • “Country Name (2 letter code) [AU]” - At “node4”:
        DE
      • You may skip the following questions:
        State or Province Name (full name) [Some-State]:
Locality Name (eg, city) []:
Organization Name (eg, company) [Internet Widgits Pty Ltd]:
        Hemmerling

        Organizational Unit Name (eg, section) []:
      • “Common Name”- At “node4”, NOT “node4”!!!!:
        localhost
      • You may skip the following questions:
        Email Address []:
Please enter the following 'extra' attributes
to be sent with your certificate request
A challenge password []:
An optional company name []:
      • “Enter pass phrase for privkey.pem”- At “node4”:
        node4
      • Error message, if you start “makecert” from a local drive:
        writing RSA key
Loading 'screen' into random state - done
Signature ok
subject=/C=DE/ST=Some-State/O=Internet Widgits Pty Ltd/CN=node4
Getting Private key
unable to write 'random state'
        1 file(s) moved.
        1 file(s) moved.

-----
Das Zertifikat wurde erstellt.
The certificate was provided.
      • Internet resources indicate that there is a problem with the file ”.rnd” :-(.
      • The file “\xampp\apache\conf\ssl.crt\server.crt” was generated :-).
    • STEP3:
      • What is the reason to import “server.crt” to the Windows Certificate Manager?
        • Google AI: “Importing server.crt to the Windows Certificate Manager ensures your operating system natively trusts your local SSL certificate . This eliminates the “Not Secure” warnings and red strike-throughs in browsers like Chrome and Edge when developing local sites ”. So it must be imported on all Windows clients of the local network, where users access the XAMPP server by their browsers.
      • “Windows - Run” - “certmgr.msc”.
        • “Personal / Certificates” - “All Tasks / Import”.
          • ”(_) Automatically select the certificate store based on the type of certificate”.
          • ”(X)Place all certificates in the following store”.
          • The certificate name is “localhost”, not “node4” :-(. This isn't helpful :-( for a Windows client, on which a user wants to access the XAMPP server by browser.
    • Error messages, if you start “makecert” from a network drive:
      CMD.EXE was started with the above path as the current directory.
UNC paths are not supported.  Defaulting to Windows directory.
The system cannot find the path specified.
The system cannot find the path specified.
The system cannot find the path specified.
Could Not Find C:\Windows\.rnd
Could Not Find C:\Windows\privkey.pem
Could Not Find C:\Windows\server.csr
The system cannot find the file specified.
The system cannot find the file specified.

-----
Das Zertifikat wurde erstellt.
The certificate was provided.
  5. Jaswant Tak "Configure SSL on XAMPP and windows".
    • “Import the certificate into the browser for each client. Since this certificate is self signed, and is not signed by a well known Certificate Authority (CA), when you browse to the protected pages you’ll get a warning. To turn off this warning, the certificate should be imported as a trusted CA into any browsers that you will use to access your server”.
    • TitanHQ "Importing SSL Certificate in Mozilla Firefox".
    • Firefox 150: “Settings / Privacy and security / Connection and software security / Certificates / Certificate Manager” - “Import” .
      • Certificate for “node4”:
        Organization Name: Internet Widgits Pty Ltd
Common Name: node4
      • The “Certificate Manager” lists the certificates in order of “Organization Name”.
    • Google Chrome 149: “Settings / Privacy and security / Security / Manage certificates”.
      • “Certificate Manager / Local certificates / Customised - Installed by you / Trusted certificates”.
        • At “node4”, import your “node4” certificate here!
      • “Certificate Manager / Local certificates / Customised - Installed by you / Intermediate certificates”.
      • “Certificate Manager / Your certificates / Windows / View imported certificates from Windows” ⇒ Just a certificate on the windows machine “node4”.
      • “Manage imported certificates from Windows”
        • At “node4”, You may import your “node4” certificate at “Trusted Root Certification Authorities”!
  6. Namecheap "Installing an SSL certificate on Apache" - “SSL certificate - a PEM-formatted file (the usual extensions are .pem, .crt, .txt)”.
  7. Rob's Notebook "XAMPP: SSL Encrypt the Transmission of Passwords with https".
  8. SSLmarket by ZONER "Installation des Zertifikats auf Apache über Windows (XAMPP)".
    • “httpd-ssl.conf”, accessable from the XAMP user interface by “config” button.
  9. StackOverflow "Enabling SSL with XAMPP".
  10. StackOverflow "Is there a way to make Firefox ignore invalid ssl-certificates?".
  11. via INTERNET GmbH "Developer Blog. Tipps und Tricks für Entwickler und IT-Interessierte", "XAMPP – Setup HTTPS/SSL localhost on macOS".
  12. YouTube, Dario Capozzi "How to Enable HTTPS on XAMPP: A Complete Guide with a Custom SSL Certificate".
  13. YouTube, SSLTrust "Install SSL/TLS for XAMPP".
  14. Browser Error reports:
    1. MSIE11:
      • “Settings / Internet Options / Advanced”.
        1. “Use SSL 3.0”.
        2. ”[x] Use TLS 1.0”.
        3. “Use TLS 1.1”.
        4. ”[_] Use TLS 1.2”.
        5. “Use TLS 1.3 ( experimental )”.
      • Error message “Your PC doesn’t trust this website’s security certificate. The hostname in the website’s security certificate differs from the website you are trying to visit. Error Code: DLG_FLAGS_INVALID_CA DLG_FLAGS_SEC_CERT_CN_INVALID”.22
      • If you click on “Go on to the webpage (not recommended)!”, the website is loaded, but the message will appear next time too :-).
    2. Firefox 73: “MOZILLA_PKIX_ERROR_SELF_SIGNED_CERT”.
      1. Original “server.crt” of XAMPP 1.777: “Web sites prove their identity via certificates, which are valid for a set time period. The certificate for node4 expired on 09/11/2019”.
      2. Generated “server.crt”: “Web sites prove their identity via certificates. Firefox does not trust this site because it uses a certificate that is not valid for node4. Error code: MOZILLA_PKIX_ERROR_SELF_SIGNED_CERT”.
        • “https” access to my local website works :-). However, my OpenStreetMap URL isn't displayed at all, probably due to TLS1.0 :-(.
      • Firefox about the original “server.crt” : “This certificate is already installed as a certificate authority”.
      • I can't find the original XAMPP certificate in the “Certificate Manager” :-(.
      • Google AI: “Common Name (CN): Usually issued to localhost”, “Organization: Apache Friends (XAMPP)”.
    3. Firefox 150: “PR_END_OF_FILE_ERROR”.
      1. bobcares blog "Fix PR_END_OF_FILE_ERROR instantly".
      2. AskTheEgghead "How to Fix the 'PR_END_OF_FILE_ERROR' Secure Connection Error".
      3. SkyNet "ERR_SSL_PROTOCOL_ERROR – Causes, Fixes, and Troubleshooting Guide".
      4. Superuser "What does the'PR_END_OF_FILE_ERROR' error mean in Firefox".
    4. Firefox 150: “SSL_ERROR_UNSUPPORTED_VERSION” - “This web site might not support the TLS 1.2 protocol, which is the minimum version supported by Firefox”.
    5. Google Chrome 149: “ERR_SSL_PROTOCOL_ERROR”.
    6. Google Chrome 149: “ERR_SSL_VERSION_OR_CIPHER_MISMATCH”.

Ports

Run XAMPP 1.7.7 ( PHP5, mysql ) and XAMPP 8.1.6 ( PHP8, mysqli ) on the same Windows computer

  • XAMPP ( PHP 5 ): HTTP 5201, HTTPS 4443.
  • XAMPP ( PHP 8 ): HTTP 5202, HTTPS 443.

Ports

Resources

Wiki

Classical Wikis

  • DokuWiki.
  • The OpenSource Edgewall "trac - Integrated SCM & Project Management" - “An enhanced wiki and issue tracking system for software development projects”.
  • The commercial Atlassian Confluence Wiki.
  • The commercial DrupalWiki by KontextWork, Hannover.
    • DrupalWiki is a fork of the Drupal CMS of 2008. The system was made stable to activate 250 Drupal modules while beeing a usuable fast system, which would not be possible with the original Drupal CMS.
    • The DrupalWiki provides the management of meta informations to classify documents by attributes and facets-of-attributes.
      • By this, the user determines at the time of search, what shall be included in the search.
      • To provide the search by selection of attributes and facets-of-attributes, the system makes use of full-text OpenSource search engines, in the first years by Apache Solr ( Solr is the popular, blazing-fast, open source enterprise search platform built on Apache Lucene ), since some time Elasticsearch.
    • The system, or at least part of the the system is shipped in Docker containers.
  • MindTouch Core for Windows and Linux.
  • WikiCreole - the “Creole” syntax for Wikis.
  • wiki4enterprise - “Einführung und Nutzung von MediaWiki im Unternehmen”.

Microsoft Sharepoint as Wiki

Wiki Markup Languages

Wiki Services

Web 2.0 Community Platforms

Web-based Content Management Systems

CMS Products

DotNetNuke

  • The OpenSource DotNetNuke in VB.NET - The Leading Open Source Web Content Management Platform for ASP.NET”.

Drupal ( PHP )

  • The OpenSource CMS Drupal in PHP.
    • EN.Wikipedia "Drupal", DE.Wikipedia "Drupal".
    • According to experts, Drupal 5, 6, 7, 8 are totally incompatible :-(. These experts suggest to setup a new project with empty codebase, when moving from one version ( 5, 6, 7... ) to the next ( 6, 7, 8,.. ) :-(.

eforia web manager

  • The free eforia web manager - “Systemvoraussetzungen. Server: WebServer unter Windows oder Linux Server mit CGI-Schnittstelle. Ausführung freier CGI-Binaries (Linux) muss erlaubt sein oder Installation tdbengine. Empfohlen wird der Betrieb mit Apache, dafür werden passene Konfigurationsdateien (.htaccess) mitgeliefert”.

i-doit open ( PHP )

Joomla! ( PHP )

The Tool
Social Community Extensions
Online Services
Resources

OpenCms

  • The OpenSource OpenCms, based on Tomcat und MySQL.

phpCMS ( PHP )

TYPO3 ( PHP )

Wordpress ( PHP )

The Tool
Plugins
The Reason for Success
  • EN.Wikipedia "Movable Type", DE.Wikipedia "Movable Type" - “With the release of version 3.0 in 2004, there were marked changes in Movable Type's licensing, most notably placing greater restrictions on its use without paying a licensing fee. This sparked criticism from some users of the software, with some moving to the then-new open-source blogging tool WordPress”.
  • Experts told me the success factor of WordPress: It was possible to import projects from MoveableTypes to WordPress :-).
Resources
  • “Child Themes”.
  • Experts told me that WordPress is a “plugin hell” :-).
    • If you use free or commercial WordPress online services,
      • The number and selection of plugins might be different,
      • And what of what version number the plugins are,
      • And how often plugins are updated.
    • If you run WordPress on your own server, you are responsible for system updates and especially plugin updates...
  • WordPress is known as working low-budget solution:
    • “Weil es in den Augen eines Fachkundigen Users und auch in den Augen anderer Firmen ein Armutszeugnis ist WP als Webseite zu haben. Eine Firma welche WP als Webseite hat kämpft in meinen Augen mit dem Existenzminimum”, “also 80% aller Firmen kämpfen um die Existenz. Weil so circa 80% aller Webseiten auf WP basieren”.
    • “Wenn man die richtigen Verkaufsargumente und ein wenig Know-how hat, kann man einem Kunden sehr schnell klar machen warum man auf WP verzichten und durchaus bereit sein sollte etwas in seinen Webauftrit zu investieren”.
    • “Eine Webseite ist nunmal der first point of contact, der Eindruck muss passen. Dabei gehts weder ums Geld der Entwickler oder sonst was. Es ist und bleibt ein Aushängeschild... Beauftragst du einen Grafiker/Webdesigner der als eigene Homepage ein Werk von Frontpage 1.0 vorzuweisen hat? Wohl kaum”.
  • EN.Wikipedia "WordPress", DE.Wikipedia "WordPress".

ZOPE ( Python )

Coldfusion Express

School / College Portal & CMS

Enterprise Portal & CMS

Enterprise Information Management ( EIM )

  • The commercial OpenText, with community edition.
    • “Enterprise Information Management (EIM). Get a competitive advantage by securing & centrally managing your big data & big content with an OpenText Enterprise Information Management software strategy”.
    • OpenText Community Edition.
      • OpenText Community "Is license for Community Edition perpetual or only for a trial period?".
        • “The community edition is a free to use in POC purposes. Its a full version of LoadRunner Professional with a license of 50Vuser for all protocols. This will not expire and is locked to the version of the software its embedded into”.
        • “The license is perpetual and tied to the version it is installed with. However the community edition is for proof of concept purposes and not for production”.

Online Enterprise Operating Manual & CMS

Social Network Systems, Groupware & Dating Software Solutions

Free & OpenSource Social Network Systems

BuddyPress
  • BuddyPress - “Run your own social network. BuddyPress helps you run any kind of social network on your WordPress, with member profiles, activity streams, user groups, messaging, and more”.
DIASPORA
Lemmy
Mastodon
Nonshy
Oxwall
  • Oxwall, Oxwall Developers - “PHP Social Networking Software & Community Script”, “PHP/MySQL social networking software platform”.
    • Oxwall Store - Store for free and commercial plugins.
      • Blog Oxwall Software Blog - The best community software in the world.
      • The commercial plugin Oxwall Store "API for OXWALL".
      • Oxwall is a “plugin hell”, means almost anything and everyting may be achieved by a plugin and must not be integrated in the kernel. On the other hand, by this a rich commercial marketplace for payware plugins was created...
      • I was told by experts, that mobile Oxwall solutions may be created by commercial plugins and commercial smartphone apps...
      • I was warned by experts, that the Oxwall code owners are sort of “arrogant” as typical for Nerds, in the means that there is no positive and working process for reporting bugs, to get reported bugs accepted as bugs ( instead “it's just your server where our Oxwall contact formular code is reported to fail, so it must be your fault and not that of the Oxwall code...” ), and then the bugs fixed....
      • Experts told me, that it doesn't support Arabic mode ( Right to left mode / RTL mode ) :-(.
    • Oxwall Deutschland - “Deutsches Sprachpaket für Oxwall”,...
    • EN.Wikipedia "Oxwall".
    • Reference customers:
WoltLab Suite

Free & OpenSource Social Dating Tools

Commercial & free Groupware

Commercial Social Network Systems

WoWonder - The Server
WoWonder - Third-Party Apps
WoWonder - Reference Customers
WoWonder - User Experience
  • Limit “You have reached your limit of 1000 friends!” ( = 1000 friend requests? ) :-(, even though you just have e.g. 394 accepted friends.
  • Feedback about the user interface and system features:
    • Language switching:
    • According to reliable users, you may open, close and reopen an account with same username and same E-Mail address :-).
    • Other social network communities, which might be entitled “Social Media-Sharing Communities”, allow the users to browse the uploaded media contents ( photos and videos ). There is no central place at WoWonder for that.
      • The photo and video contents is hidden on the profile walls and albums of the users. This might be ok for a true social community with mostly private photo and video contents ( e.g. Facebook ), but is a fault in case of a photo and video community, where sharing of media contents is of major interest both of the uploaders and the consuming users.
    • Message system.
      • There is no true message system, but just a chat system. The chat system has a limited buffer, so that chat contents is not saved permanently.
      • The chat system looks like to Facebook chat, with a chat window at left bottom of the browser window. You may scroll up messages of a chat, both in the chat window and the message screen WoWonder Demo Server, Messages.
      • You may switch from the chat window to the message screen by clicking on the icon “arrow right up”at top of the chat window.
      • Message buffer:
        • The message buffer is limited in 2 ways:
          1. Number of users with who you already communicated, which are listed on the message page ( WoWonder Demo Server, Messages.
            • How to stay in contact with a user:
              1. Set a “bookmark” the profile with your browser, i.e. to WoWonder Demo Server "Deen Doughouz".
              2. Even if you bookmarked a profile with your browser, you might be unable to communicate at first sight:
                1. If you login at the website, load the bookmarked page ( by selection the bookmark by your browser bookmark list ) and click on the “Message” button, it might be that the chat window does NOT open.
                2. In that case, search for the screenname ( e.g. “Deen Doughouz” ) printed at the top of the profile page. Note that the username, i.e. name in URL ( http://demo.wowonder.com/deendoughouz ) might be different.
                3. Click on the profile found in the search result, so that the profile page loads.
                4. Then usually it is successful to open the chat window by clicking on “Message” button.
          2. Data amount of communications data with each user. If you send photos by messages, it might be filled quickly. After the buffer is filled, the first messages will be deleted if new messages arrive.
            • The chat window message buffer is very limited. If you want to see earlier messages, you must switch to the message screen. If you scroll up, you see the button “View more messages ( arrow-up )”. If you scroll up further, you might see this button again. Finally there is the start of buffer, no older messages might be displayed, all older messages so-far not listed are lost.
        • Communication with a user:
        • Deletion of messages:
          • In the small chat window at the bottom, on any standard profile page, you can't delete messages.
          • If you switch to message window, i.e. WoWonder Demo Server "Messages"
            • There is the option “Delete Message”, which simply deletes the message without warning.
            • If you press the button “Delete Conversation” at top-right, all messages are deleted. Maybe not just for you, but also for the other chat partner?!
            • At some point in 2024-11 on smartphone browser, I tried to delete a doubled message, which was doubled by unknown reason. I got a warning about deletion, which I ignored. But by that, the complete chat was deleted... :-(.
        • If you bann another user
          • The message buffer is also officially unavailable for this user, i.e. the banned user can´t read the old messages anymore :-(.
          • But even if you get banned by a friend, you will be informed about his / her birtday, at the WoWonder community start page :-).
        • How to get the access to the message buffer again:
          • You still must know the URL of the user. The URL username must be not identical to the screen name.
          • Open another ( free ) account, best by another Internet browser.
          • Just if writing of messages is enabled by default, for users who are not friends, you may access the old messages of your first account. Else not!
          • Open the chat message window.
          • Change from chat message window to full message buffer page. Copy the URL.
          • Login with your old account.
          • Paste the URL of the full message buffer page.
          • Just in case that the message buffer page doesn´t load, load the message buffer page of another no-blocked account, change the message buffer number to the wanted message buffer, and load again. A wonder, by wonder, ususually this works to load the requested message buffer page.
          • You might even write messages to the account, who “blocked” watching the profile page.
    • Friends, Chat partners, finding friends:
      • Friends & chat partners:
        • At “Chat” window on each standard page, I see the list of online profiles with which I chatted ( might be list of friends who are online?! ).
        • At WoWonder Demo Server, Messages, there are all messages.
        • WoWonder Demo Server, Find friends.
          • As of 2024-11, this function is defect:
            • The map and the list of results are for “Gender = All”, “Status = All”, “Location distance = 1”, “Relationship = All”.
            • Any update to the search parameters don't result in a map update. The query result list is updated.
      • The search engine for users is hidden, behind “Search / Advanced Search” and “Forum / Members”.
        • “Search / Advanced Search”: Software bug, as of 2018-03: The given search criteria ( e.g. “country = Germany” ) are ignored for further results, if you press “Load more users”
        • “Forum / Members”: Software bug, as of 2018-03: The given selection criteria ( e.g. “All members with username which starts with 'A'” ) are ignored for further results, if you press “Load more users”
        • “Forum / Members”: You can't filter for a gender, ect. :-(. “Search / Advanced Search”: There are filters for gender, ect :-).
    • Photos & videos:
      • There is no image preview with limited image size. If an image, e.g. 1 MByte of size, is visible on a Wowonder profile page, it is loaded completely.
      • As of 2024-11, profile photo and background photo, uploaded from smartphone, are displayed properly no matter what direction the photo had when shot.
        • But in a special case in 2024-11, clicking on the profile photo of the profile page showed the photo in large, but turned 180 degrees :-(
        • But in a special case in 2024-11, clicking on the background photo of the profile page showed the photo in large, but turned 90 degrees :-(
      • WARNING: I found an implementation of WoWonder, where multiple videos are downloading as soon as you enter the website, automatically, though you don´t run a video. E.g. if you stay 10 minutes on a single page, it might have downloaded all videos completely. This might ruin your Internet high-speed data volume, if you have an Internet volume data tariff ( e.g. 2 GB/month ). According to a WoWonder user, there is no easy configuration to deactivate preloading of videos...
      • As experienced, uploaded media is not protected from external access. I.e. if you pass a link to a media object, people without cms account may view or play the media. Videos and pictures are stored with hash names, e.g. with “xxxxx” as placeholder for a hash value
      • If you put a link to a YouTube video into a ZB wall message, this is even mentioned at the top of the message, next to your user name “Youtube”. The video is embedded into the message and can be played. But the link to such included YouTube videos can´t be edited. If you edit a message which includes a YouTube video link, you may edit the other text, other URLs in the message, but not the video URL.
    • The number of curently logged in users is displayed at the bottom of the front page, right side, e.g. “Online Users 63”.
    • Users may create groups. They may add their friends to this group. An friend added to a group becames member of the group. There is no “invitation”, i.e. there is no response necessary. If the friend disagrees, he / she must leave the group by own action. This means that if there are many inactive friends in the friends' list of a user, the user can add many friends permanently to groups he is owning, without consent.
    • User feedback in 2018-03:
      • Dear admin of a WoWonder community, you may reduce your bandwidth charges by not allowing it to queue more than one stream at a time. I noticed it downloading 5 at once on a page where i was not going to watch any of them
    • User feedback in 2018-02:
      • I started with normal small server, about 130$/month, but the user experience even with a small number of users was, that “WoWonder” was so slow.
      • So I decided to upgrade. I upgrade several many times until this server, but still need more bigger.
      • Now we have more than 100 concurrent users, at best times.
      • The number of messages is enourmous. E.g. this month, in the first 3 days.... total number of messages is more than 2 millions ( 2.111.305 ). I.e. about 700.000 messages / day.
      • This server for more than 400$/month is
        • 12 x Intel(R) Xeon(R) CPU E5-1650 v4 @ 3.60GHz.
        • 128 GB RAM.
        • 2 SATA disks of 4 TB each.
        • 2 SSD disks of 500 MB each.
        • unlimited traffic.
      • I was talking with script owner and I need 256 gb to run.
        • Reason why the server is so slow: Too many people uploading videos, converting videos, pictures, chat, talking...
        • The traffic is not the problem. problem are ram, cpu. The server need 256 GB RAM but this is too much expensive.
        • By looking at the current upload statistics: Images can upload 10 in 5 minutes. And videos more than 20 in 1 hour. So the number of currently active users is less important for the RAM consumption.
        • Also our database is so big.
      • Update in 2020-02 “The server bill is 590 EUR each month for rent server and bandwidth”.
      • User behaviour and system behaviour analysis:
        • Estimated 5% of the active users are active frequent uploaders of photos and videos, especially they “send” messages with photos to other users, by posting messages on the other users' profile walls.
        • Especially, the uploaders are “collectors of 3rd-party videos and photos”. So they upload mostly 3rd-party stock video and photo contents, not own contents. It would be very hard and in most cases impossible for most active uploaders to generate own contents in that bulk masses.
        • So estimated 5% of the active users ( i.e. less than 1% of the registered users ) cause the demand for an expensive server with enormous amount of RAM and CPU power for processing the video and photo uploads ( and playing the videos by a broad number of users )
        • Additionaly, there might be a fatal software misconfiguration: If a user enters a user profile page, photos published on the profile's wall are loaded and especially videos ( not just one, e.g. up to 5 if 5 are on the page ) are preloaded by concurrent background download even if never played.
    • Envato Market "Discussion on WoWonder", Page 64.
      • S: “Every PHP MySQl request kills 2MB of ram can you implement with Node.js ?”.
      • A: “It depends on the process that you’re executing, not all the processes kill 2MB of ram, there may be a loop that takes 500MB, and there may be a MySQL query that takes 1 KB of ram. I agree that it’s so recommend to use Node.js, but again, it’s not available in shared hosting, so we’ll lose the customers that are using shared hosting”.
    • Envato Market "Discussion on WoWonder", Page 202.
      • Q: “I have two vps Database: 8GB RAM, 4vCPU, 50GB SSD, 4TB of Traffic Application script: 4GB RAM, 2vCPU, 5GB SSD, 2TB Traffic Storage amazon s3. How many concurrent users do you believe meet?”.
      • A: “If opcache and Amazon are enabled. The site can handle 1000+ online users in same time”.
    • Envato Market "Discussion on WoWonder", Page 246.
      • Q:“I am just wondering, How much user wowonder script can handle”.
        • “1, Registered User at the site 2. Online Concurrent User the script can handle 3. Concurrent Chats at the same time”.
        • “I am using sql for database with hosting of 32GB DDR4, Intel® Xeon® E3-1270 v6, 4.20GHz Turbo, 4Core / 8T, CPU Cache 8MB, Disk Space 2TB 7.2K HDD. The mentioned hosting is Dedicated Server”.
        • “I can increase the RAM & Disk space of the server, in future upto 512 GB & 50 TB. You have mentioned the script can handle 1 million user. How much user the script can handle at maximum level if i increase the server? Is there any limitation”.
      • A:
        • “1. Unlimted even if you are on a shared hosting. (just data)”
        • “2. Can handle as much as you want, but it will depend on your server, for example on shared, just 5 till 10 online users or chatting, on VPS 2GB ram 50+”.
        • “3. Your server is just perfect, it can handle 1000+ online/chatting users easily”.
        • “4. There is no limitation, but once you reach 1M, you gonna have to stop using one server and start using multi servers or cloud hosting and a team to manage those and separate the script databases etc.”
    • Envato Market "Discussion on WoWonder", Page 116.
      • Q: “Hi bro , what is the requirements of hosting if i have 1000 users”.
      • A: “You mean 1000 online or total users? If online, you need a VPS for sure, with Amazon S3 enabled”.
        • Amazon Virtual Private Cloud (VPC) & VPS Hosting.
      • Q: “What about godaddy vps 1G ram ?”
      • A: “That is not good to start, we talking about 1K online users, you need 16GB + VPS for that. If total 1K users, 1 GB is good to start”.
      • Q: “Sorry for a lot of question s , how many users chat online in same time suitable for 1GB ram ?”.
      • A: “You can handle around 50 – 70 online users chatting”.

Commercial Dating Tools ( distributed with / as Sourcecode = OpenSource )

Just-Online Services, with Hosting

Some other commercial Dating Tools & Dating Services

Market Research

Resources

Corporate Online Communities

Forums, Discussion Boards

OpenSource Forums, Discussion Boards

Some other OpenSource Communications Systems, but unlike typical Forums, Discussion Boards

Just-commercial OpenSource Forums, Discussion Boards

Resources

Document Management Systems ( DMS )

Written Concepts

Products

APIs

Document Hubs ( Document Hub Online Services, Data Sync Online Services )

Learning Systems, Learning Management Systems ( LMS ), Course Management Systems for Blended Learning

Paper Magazines

Resources

Forums, Newsgroups, Communities

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