(1) Firewall Overview The concept of firewall: Firewall is a very important network security tool. It is an important part of network security and is used to protect computer networks from unauthorized access, malicious attacks, data leakage and other threats. Characteristics of firewall Firewalls usually have the following characteristics. Location authority: In network planning, the […]
Tag: firewall
Kylin KYLINOS configures kysec firewall through command line
Original link: Kirin KYLINOS configures kysec firewall through command line Hello, everyone, today I bring you an article about using the command line to configure the kysec firewall. Through studying this article, you can understand how the firewall information in the graphical interface is generated. We will The relevant configurations of the firewall are put […]
Spring Security Vulnerability Protection-HttpFirewall and HTTPS
1. HttpFirewall Spring Security has several areas where the patterns you define are tested against incoming requests to determine how the request should be handled. This happens when the FilterChainProxy decides which filter chain the request should pass through, and when the FilterSecurityInterceptor decides which security constraints apply to the request. When testing against a […]
Add programs to firewall exceptions (windos firewall trust items)
using System; using System.Collections.Generic; using System.Diagnostics; using System.IO; using System.Linq; using System.Text; using System.Windows.Forms; namespace Sci { public class FireWall { // Example: FireWall_Allow(); #region Add program to firewall exceptions /// <summary> /// Add the current application to the firewall exceptions /// </summary> public static void FireWall_Allow() { string exePath = Application.ExecutablePath; string ruleName = […]
Sangfor firewall’s high-risk attack IPs are automatically blocked through Zabbix
zabbix server configuration syslog service Modify configuration vi /etc/rsyslog.conf # Provides UDP syslog reception $ModLoad imudp $UDPServerRun 514 # Provides TCP syslog reception $ModLoad imtcp $InputTCPServerRun 514 #### GLOBAL DIRECTIVES #### # Where to place auxiliary files $WorkDirectory /var/lib/rsyslog # Use default timestamp format $ActionFileDefaultTemplate RSYSLOG_TraditionalFileFormat ## Here is the configuration added by the server […]
A062-Firewall security configuration-Configuring Iptables firewall policy
Experimental steps: [Teaching Resource Category] Serial number Category Tick√ 1 Learning Resources √ 2 Individual soldier mode competition question resources 3 Group competition question resources [Teaching resource name] Firewall security configuration – configure security settings iptables firewall policy [Teaching Resource Classification] First level category Second level categories Tick√ 1.Safety standards laws and regulations Industry Standard […]
The principle and function of iptables firewall and access control
iptables firewall Article directory iptables firewall Starting and stopping the firewall netfilter View firewall default rules Rule table Matching process The firewall matching rules are four tables and five links. basic grammar Common control types monitor implicit match Ban ping host ip delete rule Enable forwarding Export firewall rules Backup rules Import firewall backup rules […]
Linux firewall–SNAT and DNAT
1.What is SNAT SNAT is also called source address translation. Source address translation is when the internal network address is accessed externally, the internal network IP address that initiates the access is converted to the specified IP address (specific services and corresponding ports or port ranges can be specified), which allows reserved IP addresses to […]
Nginx + Lua build website WAF firewall
Foreword For projects that only use common functions such as agents, install online. If customized modules are needed, it is recommended to compile and install< /strong> PS: This article not only contains Nginx-related knowledge points, but also includes anti-parallel learning methods (processing of new things) Official website: https://nginx.org/ Github: https://github.com/nginx/nginx Nginx Books: Nginx Cookbook Chinese […]
Security technology and iptables firewall
1. Security technology 1.1 Overview 1. Intrusion detection mechanism: It is characterized by blocking, quantifying, and locating network threats from inside and outside. Provide alarm and post-event supervision. Similar to monitoring. 2. Intrusion prevention: Works in transparent mode, analyzes the content of data packets, protects all content entering the machine, analyzes and determines Trojans, worms, […]