iptables multiport

Transfer from http://www.cnblogs.com/JemBai/archive/2009/03/19/1416364.htmlIf your iptables basic knowledge is not yet known, it is recommended to take a look first.Start ConfigurationLet's configure a firewall for the filter table.(1) Check the setting of this institution in Iptables[email protected] ~]# iptables-l-NChain INPUT (Policy ACCEPT)Target prot opt sou

If your iptables basic knowledge is not yet known, it is recommended to take a look first.Start configurationLet's configure a firewall for the filter table.(1) Check the setting of this institution in Iptables[Email protected] ~]# iptables-l-NChain INPUT (Policy ACCEPT)Target Prot opt source destinationChain FORWARD (Policy ACCEPT)Target Prot opt source destinat

System Environment: RedHat7.2squid (squid-cache.org) 1. system settings: Run: setup Select server by default iptables and ipchains have been selected. Remove ipchains and only run iptables. 2. Install squid. We recommend that you install mountmntcdromcdmntcm on the RedHat installation disc. System Environment: RedHat 7.2 squid (http://squid-cache.org/) 1. system settings: Run: setup Select server by default

The iptables firewall can be used to create filters and NAT rules. All Linux distributions can use iptables. Therefore, understanding how to configure iptables will help you manage Linux firewalls more effectively. If you contact iptables for the first time, you will think it is very complicated, but once you understan

Reprinted from: http://jiujiang.blog.sohu.com/97911176.html If you do not know the basic knowledge about iptables, we recommend that you first check it out. Start Configuration Let's configure a filter table firewall. (1) view the settings of iptables on the local machine[Root @ TP ~] # Iptables-l-N Chain input (Policy accept) Target prot opt source destination c

If your iptables basic knowledge is not yet known, it is recommended to take a look first.Start configurationLet's configure a firewall for the filter table.(1) Check the setting of this institution in Iptables[ROOT@TP ~]# iptables-l-NChain INPUT (Policy ACCEPT)Target Prot opt source destinationChain FORWARD (Policy ACCEPT)Target Prot opt source destinationChain

If your iptables basic knowledge is not yet known, it is recommended to take a look first. Start configuration Let's configure a firewall for the filter table. (1) Check the setting of this institution in Iptables [ROOT@TP ~]# iptables-l-NChain INPUT (Policy ACCEPT)Target Prot opt source destination Chain FORWARD (Policy ACCEPT)Target Prot opt source destination

If your iptables basic knowledge is not yet known, it is recommended to take a look first.Start ConfigurationLet's configure a firewall for the filter table.(1) Check the setting of this institution in Iptables[email protected] ~]# iptables-l-NChain INPUT (Policy ACCEPT)Target Prot opt source destinationChain FORWARD (Policy ACCEPT)Target Prot opt source destinat

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 applications of

Start ConfigurationLet's configure a firewall for the filter table.(1) Check the setting of this institution in Iptables[Email protected] ~]# iptables-l-NChain INPUT (Policy ACCEPT)Target Prot opt source destinationChain FORWARD (Policy ACCEPT)Target Prot opt source destinationChain OUTPUT (Policy ACCEPT)Target Prot opt source destinationChain rh-firewall-1-input (0 references)Target Prot opt source destina

First, start the configurationLet's configure a firewall for the filter table.(1) Check the setting of this institution in Iptables[email protected] ~]# iptables-l-NChain INPUT (Policy ACCEPT)Target prot opt source destinationChain FORWARD (Policy ACCEPT)Target prot opt source destination Chain OUTPUT (policy ACCEPT)Target prot opt source destination Chain rh-firewall-1-input (0 references)Target Prot opt s

The iptables firewall can be used to create filters and Nat rules. All Linux distributions can use iptables. Therefore, understanding how to configure iptables will help you manage Linux firewalls more effectively. If you contact iptables for the first time, you will think it is very complicated, but once you understan

Rules control packet filtering by providing the firewall with instructions on what to do with packets from a source, to a destination, or to a specific protocol type. By using the special commands provided by the Netfilter/iptables system iptables, these rules are established and added to the chain within the specific packet filtering table of the kernel space. The general syntax for the command to add/remo

This article describes the detailed steps for configuring the firewall in linux, that is, how to use the iptables command. For more information, see In this tutorial, make sure that you can use the linux host. If you are using an ssh remote connection and cannot directly operate the local machine, we recommend that you be careful, careful, and careful!Let's configure a filter table firewall.(1) view the settings of

Common ports on Linux serversFtp:20 ssh:22 http:80 telnet:23 rsync:873 svn:3690pop3:110 smtp:25 dns:53 mysql:3306 nfs:111If your iptables basic knowledge is not yet known, it is recommended to take a look first.Start configurationLet's configure a firewall for the filter table.(1) Check the setting of this institution in Iptables[Email protected] ~]# iptables-l-N

vsftpd Software Yum install vsftpd-y 2. enable Anonymous Access and passive mode ports Vim/etc/vsftpd. conf Anonymous_enable = YES -- enable Anonymous user access Anon_upload_enable = YES -- the anonymous user name can upload files. Anon_mkdir_write_enable = YES -- anonymous users can create files.Anon_other_write_enable = YES -- anonymous users can rename files. Pasv_enable = YES -- enable Passive ModePasv_min_port = 30000 -- minimum port in passive modePasv_max_port = 31000 -- maximum port i

VSFTPD under the RHEL6 platform http://www.linuxidc.com/Linux/2013-04/82300.htmLinux system VSFTPD Source Installation http://www.linuxidc.com/Linux/2013-03/81475.htmVSFTPD Security Configuration Case Study http://www.linuxidc.com/Linux/2012-12/76501.htm--------------------------------------Split Line--------------------------------------1. Installing the VSFTPD SoftwareYum Install Vsftpd-y2. Turn on anonymous access and passive mode portsVim/etc/vsftpd/vsftpd.confAnonymous_enable=yes--Turn on

If you do not know the basic knowledge about IPTABLES, we recommend that you first check it out. configure a filter table firewall. (1) view the settings of IPTABLES on the local machine [root @ tp ~] # Iptables-L-nChainINPUT (policyACCEPT) targetprotoptsourcedestinationChainFORWA if you do not know the basic IPTABLES

The iptables firewall can be used to create filters and Nat rules. All Linux distributions can use iptables. Therefore, understanding how to configure iptables will help you manage Linux firewalls more effectively. If you contact iptables for the first time, you will think it is very complicated, but once you understan

1. Install iptables FirewallIf no installation of iptables is required first, CentOS executes:Yum Install IptablesDebian/ubuntu Execution:Apt-get Install Iptables2. Clear existing iptables rulesIptables-fIptables-xIptables-z3, open the specified port#允许本地回环接口 (that is, running native access to this machine)Iptables-a i