Linux Network Related Knowledge

Mission 25 October 10.11 Linux Network Related 10.12 firewalld and netfilter 10.13 Netfilter 5 Table 5 Chain Introduction 10.14 iptables grammar   Linux network related commands View network card information: ifconfig Installation: Yum install-y net-tools [root@centos7 ~]# ifconfig ens33: flags=4163<UP,BROADCAST,RUNNING,MUL ...

Posted by jenniferG on Sat, 19 Jan 2019 09:18:13 -0800

Linux Cluster Keepalived-Nginx High Availability Cluster Architecture, Load Balancing Cluster, LVS Algorithms, NAT Model LVS Architecture

1. Introduction to Linux Cluster linux cluster functions can be divided into: HA high availability, load balancing. High Availability: There are two machines, one for the main work and one for the redundant backup. When the main machine goes down, the redundant machine will take over and continue to provide services. Open ...

Posted by BigTime on Thu, 20 Dec 2018 19:33:05 -0800

Case of Day32 iptables filter table and application of iptables nat table

iptables filter small table case Introduce two possible future examples of iptables filter tables Case 1. Requirements (Release of designated ports) Specify ports 80, 21, 22 to release, and 22 to specify an ip segment To fulfill this requirement, we need to write a script vi /usr/local/sbin/iptables.sh //Add the following ######The editoria ...

Posted by kitcorsa on Thu, 13 Dec 2018 21:03:06 -0800