As an experienced website operations expert, I fully understand your emphasis on website security and user experience.Captcha serves as the first line of defense for websites against malicious behavior, and the robustness and flexibility of its generation algorithm are indeed important indicators of the flexibility of a CMS system.Let's delve into the performance of AnQiCMS (AnQiCMS) in this aspect.

Can the image generation algorithm or complexity of AnQiCMS captcha be customized?

AnQiCMS captcha feature overview

Firstly, from the documentation of Anqi CMS, we can clearly see that the system is built-in with captcha functionality, mainly used to enhance the interactive security of the website, such as when users leave messages or comments.tag-/anqiapi-other/167.htmlThis document describes in detail how to enable the captcha verification feature in the background and how to display and refresh the captcha in the frontend template by simple HTML and JavaScript code.

Specifically, front-end code is called by/api/captchaInterface to obtain the verification code image and its corresponding ID.This mechanism means that the captcha image generation logic runs on the server backend.The captcha displayed on the front end is a dynamically generated image, and when submitting the form, the image ID and the user's input captcha are sent to the server for verification.

Information about custom adjustments is missing in the current document

However, in the existing document materials, whethertag-/anqiapi-other/167.htmlOr the usage instructions for the captchahelp-setting-system.md（Global Settings）orhelp-setting-content.mdDocuments related to background configurations such as Content Settings do not explicitly mention the specific parameters of the captcha image generation algorithm, for example:

  • Image Complexity:Can the interference lines and noise points in the image background be adjusted?
  • Character type and quantity:Whether it can be selected to be purely numeric, purely alphabetic, alphanumeric, or a custom character set, as well as the length of the characters.
  • Font style:Whether it is possible to change the font, adjust the character size, and rotate the angle, etc.
  • Color scheme:Whether it is possible to customize the color of the captcha characters or the background.
  • Refresh frequency or validity period:Although there is a refresh mechanism on the front-end, does the back-end have more detailed frequency control?

This means that from the perspective of the user or template developer, through the backend management interface or simple modification of template parameters, the official interface or options for directly adjusting the captcha image generation algorithm or complexity are not provided at present.

Possible Custom Paths and Thoughts

As a CMS developed based on the Go language, AnQiCMS inAnQiCMS 项目优势.mdEmphasizes its "modular design" and the feature that "developers can develop and customize it according to their needs". Therefore, even if there is no explicit direct configuration entry on the front-end or back-end management interface in the current document, we can infer several possible customization methods:

  1. Backend configuration file adjustment：Many CMS systems will place some rarely used or developer-level configuration options in the backend code configuration file (for exampleconfig.jsonOr other Go language configuration structures).AnQiCMS may hardcode the captcha generation parameters (such as character set, degree of interference, etc.) in the backend logic, or control them through internal configuration files.If the captcha of AnQiCMS is implemented based on some Go language graphics library, then these libraries themselves usually provide a wealth of parameters.
  2. Secondary development：If you have some knowledge of the Go language and have a strong need for customization of captcha, then directly modifying the backend code of AnQiCMS (i.e., secondary development) is an effective way to achieve advanced customization.You can find the module responsible for captcha generation, and adjust its algorithm, introduce new fonts, or interference mechanisms according to your security requirements and user experience objectives.The modular design philosophy of AnQiCMS provides convenience for this secondary development.

Although the document does not directly answer your question, the openness of AnQi CMS and its underlying Go language architecture provides capable users with the possibility of deep customization.For most small and medium-sized enterprises and content operators, the default captcha function provided by the system is already able to meet the basic anti-harassment needs.但如果您面临更严峻的攻击或有特定的品牌视觉要求，探索后端配置或进行二次开发将是必然的选择。

Common Questions (FAQ)

  1. Q: Is the captcha feature of AnQi CMS enabled by default? Where can I find the settings to enable or disable the captcha?A: According to the document description, the captcha function of the security CMS is not enabled by default, but needs to be manually enabled through the background management interface.You can find the option to enable/disable captcha in the background message or comment related settings.

  2. Q: Besides comments and messages, does the Anqi CMS support captcha verification for other forms (such as registration and login)?A: The existing document mainly mentions that the captcha is used for 'leaving comments', but does not explicitly state whether it supports other system-level forms (such as registration, login).If your website has this requirement, you may need to consult more detailed development documents or consider integrating through secondary development.

  3. Q: If I want to use other captcha types (such as sliding captcha, math question captcha) instead of the graphic captcha, does AnQiCMS support it?A: Currently, the captcha type displayed in the AnQiCMS document is a graphic captcha generated based on image characters.The document does not mention native support for other captcha types such as sliding verification and math question verification.If this kind of function is needed, it usually requires secondary development or integration with a third-party captcha service to achieve.