CentOS 5 Server :: Turn Off Default And Program Get Port 80?
Jul 17, 2010
I have a CentOS server running at [a link which has been moderator deleted] (a text-based game I'm building) which is displaying the default welcome page. I'll quote some of the things that page says:
Quote: "Apache 2 Test Page powered by CentOS This page is used to test the proper operation of the Apache HTTP server after it has been installed. If you can read this page it means that the Apache HTTP server installed at this site is working properly."
"If you are the website administrator: You may now add content to the directory /var/www/html/. Note that until you do so, people visiting your website will see this page and not your content. To prevent this page from ever being used, follow the instructions in the file /etc/httpd/conf.d/welcome.conf. You are free to use the images below on Apache and CentOS Linux powered HTTP servers.
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Feb 9, 2010
I want to change my ssh port from the default 22 to something else. I did the following: vi /etc/ssh/sshd_config; uncommented Port 22 and changed it to the desired port number. After that I run service sshd restart for the change to take an effect. Now, when I want to login into the new port I receive this message - Network error:Unable to route to host. When I change the port back to 22, I will be able to login again.
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Feb 2, 2009
I want to change my MySQL default port(3306) as 80 how can i do this on centOS 5.2? I tired to add
[client]
port=80
to /etc/my.cnf and different command in this file. But mysql didn't start. How can do this? I'll use server only as mysql and ftp server.
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Apr 8, 2011
I have the first part of this script working, but I need help on how to specify a different port other than the default 22 for one particular server in my hostlist. First, here's my working script:
[code]....
Now, the hostlist contains a few servers that all share the same password in this test so as not to complicate that portion of expect's password section. However, one of the servers within hostlist_test will need to have the ssh port defined as, for example, 5522 as I've defined the port forward in DD-WRT's NAT section and changed in the appropriate /etc/ssh/sshd_config for listening. Might anyone be able to help me include that part in my script?
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Nov 25, 2010
Now that I've set up an FTP server here at home I'm thinking that it might be a good idea to change from the default Port 21 to something else. Can I use any port I desire or are there only certain ports that support this protocol?
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Feb 19, 2010
tring to run an ftp server on default ports with port 10100-10199 as passive. Using vsftp. But the ports refuse to open what the heck am I doing wrong? see screen shot. oh using karmac, now.
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Jun 27, 2010
I need to make some C program under linux to make some scripts that can talk to my Server's Parallel port by sending some quare signal as high or low, so what i can do ?
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May 30, 2011
i am not able to port 8080 on my CentOS VPS server.I have followed all the instuctions as mentioned on iptables wiki page.Also I am able to telnet my ip address and port number, But can not access from browser.
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May 25, 2011
How do I turn winbind authentication off or vsftpd. I keep getting these error messages in the /var/log/ secure:vsftpd: pam_winbind(vsftpd:auth): request failed: No such user, PAM error was User not known to the underlying authentication module (10), NT error was NT_STATUS_NO_SUCH_USER.I already tried remarking out different things in the config files. Is it safe to remark out the winbind stuff in /etc/pam.d/system-auth if we are using the smbclient to connect to a Windows share?Why would you want to to use AD to authenticate users for something simple like FTP is beyond me.I merely want it to authenticate against local system users.
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Aug 4, 2011
currently i want to configure sendmail port number 25 im using these port numberalready how can i chage my senmdail port no.
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Jun 23, 2010
I have written simple application in cpp which listens on port 8080. But when I start the application and check the port it is listening on (using netstat -nap), I can see that the application is listening on port which is > 30000.
This port number keeps on changing if I re-run the application.Please let us know if I have to do any kind of a seeting so that application starts listening on 8080 port.I am using CentOS 5.5 (I tried same on CentOs 5.2)
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Sep 1, 2010
My host is blocking port 3960 which I need to use for an SVN server, they are telling me that I will have to install my own firewall. I've not done this before and am not sure of what to do or whether anything I can install will be enough protection.
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May 2, 2010
I have a mail server i need it to send message via port 587 not port 25, i make some changes to my postfix server which i use and it is already successed making a telnet to 587 port like it :
[Code]....
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Mar 10, 2010
i need to change ssh port on the servers including centos and ubuntu when i make changes to /etc/ssh/sshd.config and change the port to something else restart sshd then i can determine that port 22 is not working but ssh does not connect to new port it says "no route to the host"
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Jul 4, 2009
I have a fresh installation of CentOS 5 I'm using for a server, and I'm having issues with port configuration. I have iptables running, and it started with no /etc/sysconfig/iptables file. I added a few basic rules (port 53, port 10000 for webmin), saved the file, and restarted the service. I tried connecting to webmin, scanned ports, and traffic was blocked. I set iptables to allow all traffic and restarted the service, and it still showed basically every port as being blocked. It seems port 80 and port 22 work for some reason, even when I tell iptables to block all ports.
I'm not sure what's going on here. Iptables is reading the /etc/sysconfig/iptables file, and if I use lynx localhost:someport it responds as it should according to the file. However, if I try connecting by IP, it's like there's some other firewall or something running that does whatever it's configured to do.....
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Jan 7, 2010
A lot of activity is happening on our local server and I want to know which port is getting the most used and which daemon is using the port. I think it will be some modification of netstat command.
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Jun 24, 2011
is possible to configure NTP server to transmit time with COM (RS232) port ????
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Feb 5, 2010
I am writing some application in C, which will access a serial port device (RS232). My application is working good. But if any other application is already opened the port, I couldn't able to identify that. In windows VB program, while accessing comport through mscomm control, i am receiving an error as "Port Already Opened". But in Linux environment, through C program how can i get that? I am accessing comport 1 as follows
fd = open("/dev/ttyS0", O_RDWR | O_NOCTTY | O_SYNC);
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Sep 6, 2010
We are trying to create a message forwarder program that receive a message on Port A and pass it on t Port B. Also receive a message from Port C and Pass it on to Port D as follows.
[Code]...
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Feb 2, 2011
i have bought a vps which is centos.I want to run a c program. How to run?
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Aug 9, 2010
when I installed my server I had an FTP server running, I thought it was vsftpd. I stopped vsftpd one day though, and I could still FTP into my server. This mystery FTP daemon is SFTP (using port 22), and now it does not work. I've tried enabling vsftpd and I still cannot connect to my server. I've checked my firewall and I have FTP and SSH allowed. What might this mystery FTP program have been?
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May 5, 2009
My first time installing centos server and adding it to xp home network. I am new to setting up my own network in general. I have a home windows wired ethernet xp network (simple linxs router) with 2 xp boxes and one centos5 box all connected to the same router. I just set up the centos box running tomcat on port 8080. I need to do two very basic things at this point, but am not sure what I need to do:
What do I need to do so I can:
1. Connect in firefox on one of my xp boxes and call the tomcat server running on my centos box?
2. Be able to ftp to centos box from either of my xp boxes?
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Aug 1, 2009
I have 2 server behind the netgear router on my network . win2k3 and CentOS development server, I have port forarded 80 to win2k3 server which i can access over the internet and is accessable. However I can SSH CentOS machine and portforwarded 8080 and 82 for web access, I can't access via any of the port, browsers says UNABLE TO CONNECT.. there is no firewall in CentOS machine.
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Mar 1, 2010
I was just wondering what I have to edit in order to get Maia Mailguard to listen on port 443 instead of port 80
right now I am logging on with [URL] but I would like to connect to [URL]
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Apr 27, 2011
I'm trying to open up some ports to connect via vnc to a server running Centos 5.5. I've edited /etc/sysconfig/iptables everything *looks* fine, but I still can't seem to get access to the port I've opened (I added some newlines for clarity between commands):
[Code]....
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Jul 18, 2009
yesterday I installed my first CentOS system. Before I was always using Debian for my servers. When I configured my vsftpd I was just wondering how to setup xinetd or inetd for listening on ports and starting vsftpd. I found /etc/xinetd.d. But there is no xinetd installed by default. Why? Shall I start all my services in standalone mode? What is the concept of CentOS in this issue?
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Nov 5, 2009
I have messed around with yum config files & my system is not updating anymore! is there is a way to reset yum configuration to its default?
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Aug 27, 2010
I installed NFS and portmap for export a folder to another PC. /usr/local. ftp is server's hostname and ws01 is client's hostname. I edited file /etc/exports with next text: /usr/local ws01(rw,root_squash) *(ro)
I restarted service portmap and nfs. From client, I try check connection with server with command: showmount -e ftp and result is: mount clntudp_create: RPC: Port mapper failure - RPC: Unable to receive
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Jul 2, 2010
I posted it on another forum, but could not get response,So I have this cenOS, Ubuntu and windows operating system running on virtual machines.Now I gave them manual ip address, both ubuntu and windows machines can ping the default gateway, but not the CentOS.It should forward 0.0.0.0. to my cisco router address(192.168.5.254),
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Jul 19, 2010
One thing I have had to do to launch Maya every time is disable SELinux.
echo 0 >/selinux/enforce
I type that each time before I launch maya. If I don't it wont start.
Not sure why. Essentially it makes it so I need to be su to run maya.
If I was setting up the workstation to be used by others as well how would I disable SELinux just for starting Maya but nothing else? Or how to do I tell SELinux maya is ok for regular users to run?
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