service iptables save

Simple Linux Command learning notes, linux learning notes 1. View Processes Ps-ef | grep keyword/* keyword is service name */ Netstat-unltp | grep keyword/* the keyword is the service name or port */   2. Killing Processes Kill-9 process no./*

How to build a tomcat https server in Centos (original) and centoshttps IInstall java jdk to configure Environment Variables 1. Uninstall the original openjdk Yum-y remove java-1.7.0-openjdk * Yum-y remove tzdata-java.noarch 2. Download and

Simple configuration of Samba in Centos6.5, centos6.5samba The purpose of this article is to describe how to configure a simple and available samba service in CentOS6.5 environment and access its files through windows.Install related software # yum

CentOS7 -- iptables configuration, centos7 -- iptables In the Red Hat RHEL7 SystemFirewalld ServiceReplacedIptables serviceBut can still be usedIptables commandTo manage the netfilter of the kernel.   Common Control types in the iptables command

System Service commands and how to enable system servicesCrontab-l view current task crontab-u User Name Current user Task Plan crontab-e change plan crontab-r Delete task time command minute day month week 0 */8 *** every eight hours execute this

Commands for linux IP address encapsulation: the command for a single IP address is iptables-I input-s 211.1.0.0-j DROP www.2cto.com. The command for IP address encapsulation is iptables-I INPUT-s 211.1.0.0/16-j. DROP iptables-I input-s 211.2.0.0/16-

Linux (10) ___ iptables firewall, linux ___ iptables I. Functions of the firewall Iii. Classification of firewalls   III. Basic iptables Syntax: Table: Filters are commonly used. nat is used for address ing conversion.   Configuration file: /Etc/

How to check whether a Linux server is under DDOS Attack Address: http://www.phpthinking.com/archives/427 Log on to your server and run the following command as the root user to check whether your server is under DDOS Attack:Netstat-anp | grep 'tcp \

In Centos 6.9, the default port of SSH is modified. There are a lot of blogs about modifying the default SSH port of Centos6.5 in Linux. I won't bother here, but in the face of Centos 6.9, there will be a big pitfall; After modifying iptables, run

Linux iptables firewall basic application tutorial, linuxiptables Iptables is a common firewall software in Linux, the following describes how to install and clear iptables rules. iptables only supports the specified port. iptables shields basic

Install XRDP on CentOS for Remote Desktop Access After obtaining the root permission, we will install the Fedora source to facilitate the subsequent use of the yum command to install the required software package. Install the Fedora source file on

Clusters and high availability, clusters available 1. Cluster: With the development of the Internet, a large number of client requests are flocking, and the server load is also growing. However, the load on a single server is limited, in this way,

Install Bugzilla 4.4 On CentOS For open-source tools, Bugzilla is a bug tracking software that tracks defect databases based on web records. It is also a free and open-source software (FOSS ), its bug Tracking System allows individuals and

Enable remote access to centos mysql, centosmysql Log on to MySQL: mysql-u root-p db; To change the password, use mysqladmin-u root password NEWPASSWORD for the first time. Set: mysqladmin-u root-p 'oldpassword' password newpassword Run the

Set up IPSec VPN in CentOS 6.31. install required Libraries CentOS:1yum update2yum install pam-devel openssl-devel make gcc 2. Download strongswan and decompress it (* indicates the current Strongswan version number)1 wget http://download.strongswan.

Iptables summary, iptables Summary Iptables is a firewall in Linux that can filter data packets in Linux. The following describes the application of iptables. ① Iptables has five hook Functions in Linux) PREROUTING: The data packet enters the host

Netfilter/Iptables, netfilteriptablesNetfilter/Iptables The Linux kernel is developed and maintained by the www.kernel.org organization. The Netfilter/iptables discussed below is the firewall software developed for Linux by www.netfilter.org.

1. Check whether Samba is installed on CentOS. # Rpm-qa | grep samba Note the version number. If the main installation package of samba is missing, you need to download and install the main installation package based on the installed version, or

LNMP optimization (I)I. Preparation and configuration of Centos before optimizationPrepare the installation package and software:Http://pan.baidu.com/s/1chHQF download unzip to the u disk to installOther http://pan.baidu.com/s/15TUWf versions of

Background Environment: developers are not allowed to access the Internet, but some special websites are required to access the Internet. All websites that use squid for transparent proxy access previously thought of haproxy, later, it seems that