how to check if port 80 is open

Centos 7 Open Port 80 Enable port 80 Firewall-cmd -- zone = public -- add-port = 80/tcp -- permanent If success is displayed, the instance

This indicates that port 80 (which is the Tomcat listening port) has been occupied by other programs. First, run the "netstat-ano" command to display the port status, and then find the port in the result, then, search for the corr

Rtcp. py works with lcx to forward port 3389, which is much faster than socks reverse proxy on port 80. Only port 80 (aspx webpage) is mapped to an intranet server ). Originally, I wa

An intranet server was encountered and only 80 ports (ASPX Web pages) were mapped.Originally wanted to use regeorg to do a Web socks agent, the results of the speed is odd slow.Now found that the single port forwarding is good, 3389 turn out the screen is still able to accep

When building mantis, there will always be 80 ports occupied. See the other steps are: 1, cmd run Netstat-ano see what 80 ports are occupied, and then in the Task Manager to find the corresponding end process. Usually the system is occupied, right-click End process can not end, the end of the process tree, the direct blue screen ~So I thought of modifying the

This indicates that port 80 (which is the Tomcat listening port) has been occupied by other programs. First, run the "netstat-ano" command to display the port status, and then find the port in the result, then, search for the corr

has been released, it cannot be modified, then we can only modify another program that uses port 80. The first step is to find the program. The second step is to kill the program or modify its port. Solution: Step 1: Find the process using

Under Linux How to modify iptables open 80 port recently in the environment of the local server, found that the site localhost can access the normal, with IP access can not access, often using CentOS friends, you may encounter the same problems with me. The firewall is turned on and the

Open ports: The code is as follows Copy Code [root@wx32 ~]# iptables-i input-p tcp--dport 80-j ACCEPT Save configuration: The code is as follows Copy Code [root@wx32 ~]# Service Iptables SaveSaving firewall rules to/etc/sysconfig/iptables: [OK]

rules to/etc/sysconfig/iptables: [OK] If the above steps are not complete, it may be that the iptables file uses include call. Generally, this path is/etc/sysconfig/iptables. Or use VI to open the file and modify it. [Root @ centos httpd] # vi/etc/sysconfig/iptables # Generated by iptables-save v1.4.7 on TUE Feb 14 07:32:18 2012* Filter: Input accept [0: 0]: Forward accept [0: 0]: Output accept [7

it already has:[Email protected] ~]#/etc/init.d/iptables statusTable:filterChain INPUT (Policy ACCEPT)Num Target prot opt source destination1 ACCEPT UDP--0.0.0.0/0 0.0.0.0/0 UDP dpt:802 ACCEPT TCP--0.0.0.0/0 0.0.0.0/0 TCP dpt:803 Rh-firewall-1-input All--0.0.0.0/0 0.0.0.0/0Chain FORWARD (Policy ACCEPT)Num Target prot opt source destination1 Rh-firewall-1-input All--0.0.0.0/0 0.0.0.0/0* Set Iptables to auto startChkconfig--level 2345 iptables onIt may be because the version you are using

Update firewall rules: # firewall-cmd--reload# Firewall-cmd--complete-Reload the difference between the two is the first one without disconnecting, is one of the FIREWALLD features dynamically add rules, the second need to disconnect, similar to restart the service to add the interface to the zone, the default interface is public# firewall-cmd--zone= Public--add

When Apache was installed under LinuxTest Apache listening on port 80#netstat-LNT |grep 80TCP 0 0::: +:::* LISTENThe installation is successful!Thinking of using native Telnet IP 80No way--but Telnet IP 22 is through ~ ~The 80 port