current location:Home > Technical Articles > Operation and Maintenance > Safety

  • What are the internal causes of information security problems?
    What are the internal causes of information security problems?
    The internal cause of information security problems is the complexity of information systems, including process complexity, structural complexity, and application complexity. There are many factors that cause information security problems, such as technical failures, hacker attacks, viruses, loopholes, etc. All can cause information system security problems.
    Safety 25871 2023-01-13 00:40:45
  • What are the main security risks caused by hackers?
    What are the main security risks caused by hackers?
    The main security risks caused by hackers include damaging systems, stealing information, and falsifying information. Hackers initially refer to computer experts who are enthusiastic about computer technology and have high level of skills, especially programmers. They are gradually divided into white hats, gray hats, black hats, etc.
    Safety 23261 2022-01-12 15:48:06
  • What are the CSRF defense methods?
    What are the CSRF defense methods?
    CSRF defense methods include: 1. Verify the HTTP Referer field; 2. Add token to the request address and verify it; 3. Customize attributes in the HTTP header and verify it. CSRF is an attack method that coerces users to perform unintended operations on the web application they are currently logged in to.
    Safety 22200 2020-06-29 09:08:44
  • What are the three ways of sql injection?
    What are the three ways of sql injection?
    There are three ways of sql injection: 1. Numeric injection; when the input parameter is an integer, there may be a numeric injection vulnerability. 2. Character injection; when the input parameter is a string, a character injection vulnerability may exist. 3. Other types (for example: search injection, cookie injection, POST injection, etc.).
    Safety 21252 2020-07-20 16:46:31
  • Five browsers with the best privacy protection
    Five browsers with the best privacy protection
    This article is recommended by the Server Security Tutorial column. It shares with you five browsers with strong privacy protection. I hope it can help you. On any type of device currently, the most installed and used browser is the browser, but not all browsers can help you keep it secret.
    Safety 19794 2020-01-07 17:05:29
  • Summary of 40 commonly used intrusion ports for hackers worth collecting
    Summary of 40 commonly used intrusion ports for hackers worth collecting
    Commonly used ports used by hackers: 1. Port 21 penetration analysis; 2. Port 22 penetration analysis; 3. Port 23 penetration analysis; 4. 25 and 465 ports penetration analysis; 5. 53 ports penetration analysis.
    Safety 18210 2019-11-23 18:01:19
  • Why are network attacks and defenses asymmetric?
    Why are network attacks and defenses asymmetric?
    The asymmetry between network attack and defense is due to the complexity of network software and hardware. A cyber attack refers to any type of offensive action against computer information systems, infrastructure, computer networks or personal computer equipment.
    Safety 16066 2020-12-01 09:20:02
  • What does firewall mean?
    What does firewall mean?
    A firewall refers to a set of systems that enforce access control policies. Firewall technology is a type of technology that helps computer networks build a relatively isolated protective barrier between internal and external networks by organically combining various software and hardware devices for security management and screening to protect the security of user data and information. technology.
    Safety 14051 2023-01-13 00:40:45
  • What is the difference between cybersecurity and information security?
    What is the difference between cybersecurity and information security?
    With the advent of the digital age, network security and information security have become indispensable topics. However, many people are not clear about the difference between these two concepts. This article will provide a detailed analysis in terms of definition, scope, threats, etc. 1. Definition and Category Differences Network security refers to a technology that protects the security of the network and the hardware, software, data and other resources involved in its operation. Specifically, network security includes the following aspects: network infrastructure, network application services, network data and information flow, network security management and monitoring, network protocols and transmission security.
    Safety 13945 2023-06-11 16:21:11
  • What are the methods of port scanning?
    What are the methods of port scanning?
    Web server security: Port scanning methods include: 1. nmap detection port; 2. masscan detection port; 3. socket detection port; 4. telnet detection port; 5. nc detection port.
    Safety 13467 2020-08-10 17:19:55
  • What are the three major types of cross-site scripting attacks?
    What are the three major types of cross-site scripting attacks?
    There are three major types of cross-site scripting attacks on XSS: 1. Persistent cross-site; 2. Non-persistent cross-site; 3. DOM cross-site. Persistent cross-site is the most direct type of hazard, and the cross-site code is stored on the server; non-persistent cross-site is a reflective cross-site scripting vulnerability, which is the most common type.
    Safety 13057 2020-06-28 16:48:56
  • What are the encryption methods commonly used in network security?
    What are the encryption methods commonly used in network security?
    Several encryption methods commonly used in network security are: 1. Key hashing; 2. Symmetric encryption; 3. Asymmetric encryption; 4. Digital signature.
    Safety 12732 2021-01-08 10:01:14
  • How to make the website automatically update every day
    How to make the website automatically update every day
    I believe that many webmaster friends who have just started a website have this feeling. It is really tiring to update the website every day. If you want to increase the weight of your website, you must make sure that the website is updated every day, and you cannot update several days of articles at once, because in the eyes of search engines, these are still published on the same day and have no impact on the weight of the website. Is there any way to make the website update automatically? Everyone knows the importance of frequent updates to a website. Search engines like fresh content. If your website is not updated for a long time, your ranking will drop, or it will be deleted. Okay, without further ado, let’s introduce the idea of ​​automatic website update. 1. The old website mentioned here not only refers to the website that has been established for a long time. Such a website not only has a certain weight, but also has a certain amount of traffic.
    Safety 11693 2023-05-17 08:34:22
  • FTP usage tutorial
    FTP usage tutorial
    Tutorial on how to use FTP: First download the "FileZilla" software and double-click to run the installation program; then open "File" -> "Site Manager"; then click "New Site" and fill in the host IP and space FTP user name and password; finally, locally Resources Find the file you want to upload and right-click to upload.
    Safety 11531 2020-02-06 10:01:52
  • Detailed explanation of MBR and GPT partitions, have you learned it?
    Detailed explanation of MBR and GPT partitions, have you learned it?
    1. MBR partition MBR is the abbreviation of MasterBootRecord. It is an old partition table format used to identify and manage partitions on the hard disk. The MBR partition table can identify up to 4 primary partitions or 3 primary partitions and 1 extended partition. The 2TB limit means that a hard disk using the MBR partition table format can only be partitioned to a maximum of 2TB. Because MBR uses the 32-bit LBA (Logical Block Addressing) addressing method, the maximum address can only represent 2^32 sectors, and each sector The size is 512 bytes, so the maximum supported hard drive size is 2TB. In order to support larger hard disk capacities, hard disk manufacturers and operating system developers introduced GPT (GUID Partit
    Safety 11206 2023-06-09 11:02:28

Tool Recommendations

jQuery enterprise message form contact code

jQuery enterprise message form contact code is a simple and practical enterprise message form and contact us introduction page code.
form button
2024-02-29

HTML5 MP3 music box playback effects

HTML5 MP3 music box playback special effect is an mp3 music player based on HTML5 css3 to create cute music box emoticons and click the switch button.

HTML5 cool particle animation navigation menu special effects

HTML5 cool particle animation navigation menu special effect is a special effect that changes color when the navigation menu is hovered by the mouse.
Menu navigation
2024-02-29

jQuery visual form drag and drop editing code

jQuery visual form drag and drop editing code is a visual form based on jQuery and bootstrap framework.
form button
2024-02-29

Organic fruit and vegetable supplier web template Bootstrap5

An organic fruit and vegetable supplier web template-Bootstrap5
Bootstrap template
2023-02-03

Bootstrap3 multifunctional data information background management responsive web page template-Novus

Bootstrap3 multifunctional data information background management responsive web page template-Novus
backend template
2023-02-02

Real estate resource service platform web page template Bootstrap5

Real estate resource service platform web page template Bootstrap5
Bootstrap template
2023-02-02

Simple resume information web template Bootstrap4

Simple resume information web template Bootstrap4
Bootstrap template
2023-02-02

Cute summer elements vector material (EPS PNG)

This is a cute summer element vector material, including the sun, sun hat, coconut tree, bikini, airplane, watermelon, ice cream, ice cream, cold drink, swimming ring, flip-flops, pineapple, conch, shell, starfish, crab, Lemons, sunscreen, sunglasses, etc., the materials are provided in EPS and PNG formats, including JPG previews.
PNG material
2024-05-09

Four red 2023 graduation badges vector material (AI EPS PNG)

This is a red 2023 graduation badge vector material, four in total, available in AI, EPS and PNG formats, including JPG preview.
PNG material
2024-02-29

Singing bird and cart filled with flowers design spring banner vector material (AI EPS)

This is a spring banner vector material designed with singing birds and a cart full of flowers. It is available in AI and EPS formats, including JPG preview.
banner picture
2024-02-29

Golden graduation cap vector material (EPS PNG)

This is a golden graduation cap vector material, available in EPS and PNG formats, including JPG preview.
PNG material
2024-02-27

Home Decor Cleaning and Repair Service Company Website Template

Home Decoration Cleaning and Maintenance Service Company Website Template is a website template download suitable for promotional websites that provide home decoration, cleaning, maintenance and other service organizations. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-05-09

Fresh color personal resume guide page template

Fresh color matching personal job application resume guide page template is a personal job search resume work display guide page web template download suitable for fresh color matching style. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-02-29

Designer Creative Job Resume Web Template

Designer Creative Job Resume Web Template is a downloadable web template for personal job resume display suitable for various designer positions. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-02-28

Modern engineering construction company website template

The modern engineering and construction company website template is a downloadable website template suitable for promotion of the engineering and construction service industry. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-02-28
About us Disclaimer Sitemap
php.cn:Public welfare online PHP training,Help PHP learners grow quickly!