Features: A-Z Index

A

Administration Zone

Administration Zone

B

Banners

Banners

C

Calendar

Calendar

Catalogues

Catalogues

Chatrooms and IM

Chatrooms and IM

Community features

Community features

Content Sharing

Content Sharing

Conversr Forums

Conversr Forums

Conversr Topic Polls

Conversr Topic Polls

D

Design without barriers

Design without barriers

Downloads

Downloads

E

Ease of Use

Ease of Use

eCommerce and Subscriptions

eCommerce and Subscriptions

Extendable

Extendable

F

Featured Content

Featured Content

G

Galleries

Galleries

I

Installation

Installation

Integration

Integration

L

Localisation

Localisation

M

Membership

Membership

N

News and Blogs

News and Blogs

Newsletters

Newsletters

P

Parental Controls

Parental Controls

Performance

Performance

Points

Points

Privacy Tools

Privacy Tools

Q

Quizzes and Surveys

Quizzes and Surveys

R

Rich Media

Rich Media

S

Search Engine Optimisation

Search Engine Optimisation

Searching

Searching

Security

Security

Spam Protection

Spam Protection

Stay on Top

Stay on Top

Structure / Navigation

Structure / Navigation

Support Tickets

Support Tickets

T

Template Programming Language

Template Programming Language

Testing tools

Testing tools

Themeing tools

Themeing tools

Third party integration

Third party integration

W

Warnings / Moderation

Warnings / Moderation

Web Pages

Web Pages

Web standards

Web standards

Website Polls

Website Polls

White-labeling (Debranding)

White-labeling (Debranding)

Wiki+

Wiki+

Newest 10 Entries

Question What steps should I take if my website has been hacked?
Answer If you suspect a security breach, take immediate action:
  • Identify the Cause: Analyze access logs for suspicious activity and pinpoint the vulnerability.
  • Clean and Restore: Restore your website from a clean backup and thoroughly remove any malicious code.
  • Address Vulnerabilities: Patch security holes, update software, and strengthen security configurations.
  • Seek Expert Help: If needed, consult security professionals for assistance with cleanup and prevention.

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Question What additional security measures can I implement for my Composr website?
Answer
  • SSL: Enable HTTPS for encrypted communication and improved user trust.
  • Secure Zones: Configure sensitive zones to require confirmed sessions.
  • Restrict Logins: Enforce IP address confirmation for enhanced account security.
  • Maintenance Scripts: Restrict access to maintenance scripts like upgrader.php via IP restrictions.
  • Server Hardening: Disable unnecessary services, change default ports, enable automatic updates, and more.
  • Robots.txt: Use the robots.txt file to prevent search engine indexing of sensitive areas.

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Question How does Content Security Policy (CSP) contribute to Composr security?
Answer CSP adds a layer of protection by controlling the resources the browser is allowed to load. It helps prevent:
  • XSS Attacks: By restricting inline scripts and limiting script sources.
  • Data Injection Attacks: By controlling the allowed origins for data requests.
  • Clickjacking: By specifying allowed framing sources.

Composr's CSP implementation utilizes "Trusted partner sites" and nonces for fine-grained control.

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Question What is the purpose of "confirmed" and "non-confirmed" sessions?
Answer Composr distinguishes between confirmed and non-confirmed sessions for added security:
  • Confirmed: When you actively log in with your credentials.
  • Non-confirmed: When you return to the site and are automatically logged in via cookies.

You can configure zones to require confirmed sessions, preventing access from cookie-based logins alone. The Admin Zone uses this by default.

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Question How can I enhance the security of my Composr installation on shared hosting?
Answer Shared hosting environments can be inherently less secure. Here are some tips:
  • Choose a Secure Host: Opt for hosts that offer suEXEC and open_basedir for better account isolation.
  • Test Security: Verify the host's security measures with the provided filesystem_browser.php script.
  • Restrict _config.php: Remove world-writable permissions from _config.php after installation.

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Question How does Composr protect against Cross-Site Scripting (XSS) attacks?
Answer Composr utilizes multiple layers of defense against XSS attacks:
  • HTML Filtering: Configurable levels of filtering prevent malicious script injection.
  • Content Security Policy (CSP): Restricts the sources from which scripts and other resources can be loaded.
  • Input Sanitization: Data is sanitized before being processed to prevent malicious code execution.
  • Output Encoding: Data displayed to users is properly encoded to prevent interpretation as active code.

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Question What are the different types of security alerts in Composr?
Answer Composr has a variety of hack-attack codenames that trigger security alerts and logging. Some common examples include:
  • DODGY_GET_HACK: Suspicious URLs with potentially harmful characters.
  • EVIL_POSTED_FORM_HACK: Possible CSRF attempts via malicious form submissions.
  • SCRIPT_UPLOAD_HACK: Attempts to upload PHP scripts, potentially malicious.
  • DOWNLOAD_PRIVATE_URL_HACK/TRY_TO_DOWNLOAD_SCRIPT: Attempts to download sensitive files.
  • BRUTEFORCE_LOGIN_HACK: Repeated failed login attempts.
  • SQL_INJECTION_HACK: Attempts to exploit SQL queries for data extraction.

You can customize alert handling for each type in data_custom/xml_config/advanced_banning.xml (Admin Zone > Security > Configure advanced banning).

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Question What are some tips for secure website maintenance?
Answer
  • Avoid FTP: Use secure alternatives like SFTP or SSH for file transfer.
  • Secure Email: Enable SSL for IMAP and POP3 email protocols.
  • Strong Passwords: Use unique and complex passwords for different services.
  • Secure Computers: Keep your own devices patched and secure.
  • Maintenance Password: Remove the maintenance password from _config.php when not in use.

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Question What are the main security features of Composr?
Answer Composr has a robust set of security features to protect your website, including:

Passwords:
  • Visual representation of password quality and enforcement of complexity rules.
  • Password expiry and prevention of re-use.
  • Secure password hashing, even if the database is compromised.
  • Temporary passwords for staff setup.

Login Restrictions:
  • Two-factor authentication via IP address approval.
  • IP address banning, including wildcard banning.
  • Session locking to IP addresses.
  • Configurable session expiry times.
  • Ability to prevent privileged actions from auto-logged in sessions.
  • Optional member approval process.

Auditing Systems:
  • Comprehensive audit logging of administrative actions.
  • Logging of user actions and IP address history.
  • Tools to analyze audit logs.
  • Failed login logging.
  • Hack attack detection, logging, and banning.
  • Email notifications for changes to user credentials.

Framework Security:
  • Protection against CSRF attacks.
  • Click-jacking prevention via CSP implementation.
  • Secure coding standards and scanning techniques.
  • Configurable HTML filtering to prevent XSS attacks.
  • Secure code modularization standards.

Other features:
  • Granular privileges and access permissions.
  • Content submission validation process.
  • Rootkit detection system.
  • Spam prevention systems.
  • Web application firewall rules.
  • Moderation systems.

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Question Why are my searches slow, and how can I improve search speed?
Answer Slow searches can occur when dealing with large amounts of content. Here are some workarounds and solutions:
  • MySQL timeout setting: For MySQL 5.7+, set a query timeout to prevent searches from locking up your database. Composr automatically sets this, but you can configure it manually if needed.
  • Use InnoDB tables: Switching to InnoDB tables in MySQL can prevent slow queries from affecting other users on your website. Note that InnoDB is not officially supported by Composr yet.
  • Enable the fast custom index: As mentioned earlier, the fast custom index is optimized for handling large datasets and filtered searches, potentially leading to significant speed improvements.

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Top 10 Entries

Question Can users search for specific downloads?
Answer Yes, the unified Composr search system allows users to find downloads based on keywords. This includes searching within download titles and descriptions, as well as within the content of certain file types like PDFs, text files, and even some binary formats (providing they are not too large in size).

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Question Can I add images to my downloads?
Answer Yes, Composr automatically creates a gallery for each download (if the galleries addon is enabled). You can easily add images directly after creating the download or through the download-view screen. The download gallery is displayed within the download-view screen itself.

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Question Are there security features to protect downloaded files?
Answer Yes, Composr includes security measures to protect downloads.
  • Protection from hackers: Uploaded files are stored with obscured filenames, preventing direct access and bypassing of the download system. Additionally, an anti-leech feature (when enabled) prevents direct download links from being shared on other websites (this is done by requiring a session ID which is validated against the person / device accessing it and only provided when Composr presents the download links to you on the site).
  • Basic security: Composr will not let anyone upload dangerous scripts (such as PHP files) which can be executed.
  • Rootkit detection: The rootkit detection tool under yourbaseurl/rootkit_detection.php can help scan files for shell scripts and backdoors. Composr's Health Check can also do this regularly. Note this only offers very basic detection and will not work for obfuscated backdoors (you should use antivirus to scan for those).

It is the responsibility of webmasters to run antivirus on their site to regularly scan files uploaded to it. Composr does not include antivirus software or virus scanning.

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Question Where are download galleries located, and can I move them?
Answer By default, download galleries (to contain screenshots of a download) are placed under the root gallery. You can move them to a different gallery for better organization. Here's how:

  • Create a new container gallery (e.g., with codename "downloads").
  • Change the "Create download galleries under" configuration option to your new gallery's codename.
  • Use Commandr to move existing galleries to the new location.

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Question Can I sell downloads on my Composr site?
Answer Yes, the download system integrates with the points system, allowing you to charge for downloads. This is particularly useful for communities where members create and share content, like game modifications. You can set prices for downloads and creators earn points when users purchase them. Additionally, you can create a subscription-based system by requiring points for downloads, which users can purchase via methods like PayPal.

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Question What does it mean to "outmode" a download?
Answer Outmoding means marking a download as superseded or replaced by a newer version. When editing the older download, you link it to the new one in the "outmode" field. This makes it clear to users that there is a newer version available. This is handy especially if you provide software.

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Question What are the different ways to add downloads to my Composr site?
Answer Composr offers several methods for adding files to the download system:

  • Uploading via web form (when adding a download in the Content Management Zone): This is the simplest method, where you attach the file directly when defining the download details. However, it's not suitable for large files and can be affected by unreliable internet connections.
  • Uploading and referencing the URL: You can manually upload the file using FTP/SFTP/SCP and then provide the URL to the file in the 'Add download' form. While this is better for large files, it requires additional
 access, and the file isn't managed directly by Composr.
  • Batch adding from an FTP server: This allows staff to add multiple downloads from an FTP server in one go using FTP URLs. It's efficient for bulk uploads but requires separate addition of descriptions.
  • Batch adding from a directory: Similar to the FTP method, staff can add downloads from a web server directory accessible by URL.
  • File/media library (filedump): Webmasters can use any of the above methods to upload a file to uploads/filedump and then reference it in a download. This is especially handy if you are going to reference the file more than once on your site.

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Question What is the Composr Setup Wizard and what does it do?
Answer The Setup Wizard is a guided process to help you configure essential settings for your Composr website after installation.

It can:
  • Generate a default theme and logo
  • Set initial site options
  • Remove predefined content and unnecessary addons
  • Place initial blocks on your pages

While convenient, be aware that re-running the Setup Wizard may overwrite existing settings and customizations if you already configured your site.

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Question How can I change the structure of my Composr website's pages?
Answer You can delete and move pages using the Admin Zone > Structure > Sitemap editor. However, moving pages between zones might invalidate existing page-links unless specified using the _SEARCH zone in the link.

To avoid issues with existing links and search engine indexing, consider setting up redirects when moving pages. This can be done through Admin Zone > Structure > Redirects.

It is recommended not to move default Composr pages as it can complicate future upgrades.

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Question What are Installation Options and how can I change them?
Answer Installation Options are low-level settings for Composr, such as database details and default language.

You can access the Installation Options editor through:

  • The script: http://yourbaseurl/config_editor.php
  • The Admin Zone: Admin Zone > Setup > Configuration > Installation Options

Remember that you'll need your maintenance password, specified during installation, to access and modify these options.

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