Course 2564
Course Introduction:A firewall is a system used to control access to a computer network. Firewalls can isolate risk areas from safe access areas and prevent unpredictable or unauthorized external access from invading the internal network. Learning firewalls under Linux is not only for these reasons. The most important thing is that during the learning stage, through the use of firewalls, you can better master the principles of network communication, become familiar with the operation of Linux, and master network services and network protocols. It is also important for learning Linux operation and maintenance or Cybersecurity is helpful. There are many firewalls under Linux, including iptables, firewalld, selinux, tcp_warppers, etc. This course summarizes these firewall-related technologies.
Course 2857
Course Introduction:Course introduction: 1. Cross-domain processing, token management, route interception; 2. Real interface debugging, API layer encapsulation; 3. Secondary encapsulation of Echarts and paging components; 4. Vue packaging optimization and answers to common problems.
Course 1795
Course Introduction:Apipost is an API R&D collaboration platform that integrates API design, API debugging, API documentation, and automated testing. It supports grpc, http, websocket, socketio, and socketjs type interface debugging, and supports privatized deployment. Before formally learning ApiPost, you must understand some related concepts, development models, and professional terminology. Apipost official website: https://www.apipost.cn
Course 5521
Course Introduction:(Consult WeChat: phpcn01) The comprehensive practical course aims to consolidate the learning results of the first two stages, achieve flexible application of front-end and PHP core knowledge points, complete your own projects through practical training, and provide guidance on online implementation. Comprehensive practical key practical courses include: social e-commerce system backend development, product management, payment/order management, customer management, distribution/coupon system design, the entire WeChat/Alipay payment process, Alibaba Cloud/Pagoda operation and maintenance, and project online operation. .....
Course 5172
Course Introduction:(Consult WeChat: phpcn01) Starting from scratch, you can solve conventional business logic, operate MySQL with PHP to add, delete, modify, and query, display dynamic website data, master the MVC framework, master the basics of the ThinkPHP6 framework, and learn and flexibly master all knowledge involved in PHP development. point.
2023-08-26 16:14:30 0 1 257
Mysql connection cannot be established because the target machine actively refuses the connection
我知道已经有很多人问过这个问题,但这些人大多数是忘记了被防火墙阻止的密码,而我没有遇到这种情况。我正在使用php进行开发,并且需要连接到远程数据库,以便让我的团队共同使用。
2023-08-22 19:04:28 0 2 319
用的是小鸟云服务器操作系统是CentOS7.4,防火墙添加端口放行要在哪里设置?怎么设置?
2022-01-14 13:46:10 0 1 693
server2008 r2 防火墙如何设置允许外部访问?【求各位老师解答】
2019-03-30 23:57:30 0 3 853
The windows version of phpstudy can only be accessed through localhost, but not through IP!
2018-09-09 22:41:35 0 6 2041
Course Introduction:Java框架中部署Web应用程序防火墙(WAF)可增强应用程序安全性。步骤如下:选择WAF库,如ApacheShiro、OWASPESAPI或GoogleGuavaSecurity。
2024-07-03 comment 146
Course Introduction:防火墙作为网络安全系统,通过监控和过滤数据包,保护计算机和网络免受未经授权的访问和网络攻击。其运作原理是根据规则检查数据包,允许特定通信(如访问电子邮件服务器),同时阻止恶意流量(如来自恶意网站)。防火墙有硬件和软件两种类型,可以提供多种优势,包括防止网络攻击、限制敏感数据访问、保护网络免受 DoS 攻击,以及符合法规要求等。
2024-07-03 comment 906
Course Introduction:防火墙设置路径因操作系统而异:Windows:控制面板 > 系统和安全 > Windows Defender 防火墙 > 高级设置Mac:系统偏好设置 > 安全与隐私 >防火墙Linux:根据发行版而异,通常位于 /etc/ufw/、/etc/sysconfig/iptables 或 /etc/shorewall/防火墙配置涉及允许或阻止连接,包括允许入站连接、阻止入站连接和创建自定义规则防火墙对于计算机安全至关重要,可以阻止恶意软件、防止未经授权的访问、监视网络流量以及保护隐私。
2024-07-03 comment 104
Course Introduction:如何设置防火墙允许访问网络?确定需要允许访问的程序或设备。打开防火墙设置并添加允许规则。选择要允许的网络类型(例如,私有网络或所有网络)。保存设置以允许程序或设备通过防火墙访问网络。
2024-07-03 comment 783
Course Introduction:防火墙的主要功能包括:访问控制、威胁防护、数据包过滤、日志记录和监控、网络地址转换、入侵检测和防御系統。
2024-07-03 comment 522