centos firewall allow port 80

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Friends who often use CentOS may encounter the same problems as me. The firewall is turned on and the 80 port is inaccessible, and the friend who just started learning CentOS can refer to it.Friends who often use CentOS may encounter the same

Getting started with Linux: Enable the port on CentOS or RHEL Firewall Q: I am running a web page or file server on CentOS and want to remotely access the server. Therefore, I need to change the firewall rules to allow access to a TCP port on the

Linux If the firewall is just installed when we commonly used port is not added, that is, can not access, then how to add the common port to the firewall through the state, the following we take 80 port as an example. Recently I was learning Linux.

I've been learning Linux lately. Build a LNMP environment. Everything is fine during the test. And then reboot Linux. Access to the Web site cannot be opened again. The final reason is that there are no rules to add port 80 to the firewall. The

If you want to provide services on the server, the enterprise-class Linux distributions, such as CentOS or RHEL, contain built-in powerful firewalls, and their default firewall rules are very stringent. Therefore, if you install any custom services (

Recently I was learning Linux. Build a LNMP environment. Everything is fine during the test. Then restart Linux. Visiting the website again cannot be opened. The final reason is that there are no rules to join port 80 in the firewall. Here's how:It

1. Iptables configuration file & para;The default configuration file in RHEL/CentOS/Fedora Linux is:/Etc/sysconfig/iptables-the system executes the script to activate the firewall function by reading the file.2. Basic operation: Display the default

CentOS Study Notes-firewall iptables, centosiptablesLinux Firewall: iptables Iptables is a packet filtering software, and more than 2.6 of the Linux kernel is this software. This Section selects the Linux private dish of laruence-Chapter 9 server

We add port 80 as an example: [root @ centoshttpd] #/sbin/iptables-IINPUT-ptcp -- dport80-jACCEPT save [root @ centoshttpd] #/etc/rc. d/init. d/iptablessaveiptables: save the firewall rule to/etc/sysconfig. The following is an example of adding port