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HTTP port issue

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https://www.centos.org – Im seeking help from CENTOS world. [by narayanab16] (Distributions)

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Submitted by xfrk on 08/16/2012 – Made popular on 08/16/2012

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Hi,

I am trying to set up a dev environment and I have Ubuntu server (10.16.1.92) and a CentOS VM (10.16.3.235) on this. On the CentOS I have a program running on port 5433.

I want to install webserver-apache on a Linux platform which uses port no.80 but I am not sure whether is port is open or not , and being used by some other application or not.

Output of grep 80 /etc/services is:

http 80/tcp www www-http #World Wide web Http http 80/udp www www-http #Hypertext transfer protocol

2."netstat -an | grep 80 | more" :

It gives some IP's one of which is IP

I have a webserver built via virtualbox that I had running fine with Port 80. I am currently trying to change the port # to 8088 so that our IT people can open it to the outside world to allow external connections. I have edited my httpd.conf and changed the listen directive as well as added a virtualhost entry for *:8088. I have also added the port into selinux.

I have Linux VPS. Configuration Linux CentOS with cPanel Default port :80

Servers running Apache for PHP (default in cPanel) Tomcat 5.5.33

I have a only 1 IP alloted for it.

Centos 5.8 Webhosting Issue 21 weeks 5 days ago

Welcome to CentOS.New members need to read http://www.centos.org/modules/newbb/viewforum.php?forum=47

I am trying to figure out if a port is open and when I use (on CentOS)

nmap -p port -Pn IPADDRESS

I get

host is up port# filtered | cslistener

When I do this on Windows XP Iget

host is up port# open | cslistener

Can some please explain what I am doing wrong?

Hi,

I have a question regarding restricting access through ufw on port 80(http):

When I issue the command sudo ufw allow 80, I can access my web page from any where.

But I only want one of my computers (192.168.1.101) to access my webpage and NOT everyone.

I have a game server running on my CentOS box that binds to port 28960, now when I restarted the game server it stated that it can't bind the port because its in use, but its obviously because the server was restarted, but the port was not closed? How do I check to see if the program is listening, and if its not, then how would I clear the port, so I can start the server back up on port 28960?

CentOS 5.5 发布 3 years 1 week ago

CentOS 开发团队已发布 CentOS 5.5 版本。该版本基于 Red Hat Enterprise Linux 5.5，“是 CentOS 5 发行系列的第五次更新。它包含了很多错误修正、升级和新功能”。