CentOS 5 Networking :: Configure - Set Iptables On Server 1 - To Acces Webserver From Other City

Jan 13, 2010

I am using centos 5.3 , and also using webserver in local network

Here is all configuration

1, server

eth0 , this is live ip

2, webserver


I want set iptables on server 1 , to acces webserver from other city ,

How to configure iptables

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CentOS 5 Networking :: How To Configure Bind When Using Dynamic Dns For Webserver

Mar 31, 2010

I am trying to configure a BIND DNS server to handle three websites on my home network, (my site, my sons site and our test site). Since my ISP uses dynamic DNS, we are using DNS2GO to redirect our traffic, 9EACH SERVER HAS IT'S OWN VERSION OF dns2go running).My problem is that I can't figure out how to configure BIND since I don't have a static IP to enter into the named.conf or reslov.conf configuration files.

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Networking :: Configure Bind When Using Dynamic Dns For Webserver?

Mar 31, 2010

I am trying to configure a BIND DNS server to handle three websites on my home network, (my site, my sons site and our test site). Since my ISP uses dynamic DNS, we are using DNS2GO to redirect our traffic, 9EACH SERVER HAS IT'S OWN VERSION OF dns2go running).

My problem is that I can't figure out how to configure BIND since I don't have a static IP to enter into the named.conf or reslov.conf configuration files.

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CentOS 5 :: Configure Iptables Except Using Terminal?

Mar 19, 2009

can i configurfe iptables except using terminal ? like 32-bit interface application

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CentOS 5 Networking :: Iptables Not Opening Port To Connect Via Vnc To A Server Running 5.5?

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):


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CentOS 5 Server :: How To Update Webserver Application?

Feb 26, 2011

I use VPS because when i was on share hosting. My website was hacked by hacker. Now i'm using VPS. I want to ask how to update webserver application such as Mysql, phpMyAdmin, lighttpd I use centOS 5 i386 and i use Kloxo Panel. I was already installed Mybb.

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Server :: Accessing Internal Webserver From Public Webserver

Dec 18, 2009

Ok let's say I have Apache Webservers on 2 different machines within my network, I have http://outterABC.com setup at dyndns.org to point to my modem at home, and my router forwards Port 80 to the ServerA Machine (i.e. I can access my webpage I setup for the Server A Machine.

But what I want to try and do is somehow access my ServerB machine's website that is on my same network. I tried something like this http://ServerB.outterABC.com and the apache page came up with something like the page wasn't available. I want to access the content of the ServerB website, but because I have only one router, i can only forward Port 80 site traffic to my ServerA machine's website. I'm sure it's a different syntax I should use but i'm just not sure what I should enter to bring up the apache root web page for the Server B website via http://outterABC.com

I tried setting up DNS A records on ServerA, but I don't think it will work with what i'm trying to do above.

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CentOS 5 Networking :: Set Up Nat IP Between Webserver And Database?

May 25, 2009

I am looking for advice on a what I am sure is a very basic procedure but I have never had to set this up before and am not sure where to start.

I am running 2 CentOS5.3 boxes. I have one webserver connected to the internet and behind a firewall. I would like to set up the 2nd server (database) behind the webserver and completely inaccessible from the internet. Ideally so it can only be accessed by first ssh'ing onto the webserver and then ssh'ing from there onto the database. The webserver connecting locally to database.

From what I have seen it looks like I need to set this up using NAT but I have never done this and do not know what is involved. Can someone point me in the right direction and optimally outline the steps I need to take to hook this up? Do I need to worry about any specific hardware configuration as well?

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CentOS 5 Server :: Trying To Build A Webserver At Home To Run CPanel

Jun 21, 2010

Im trying to make a webserver at home. I have a static IP Address of my ISP (o2) I have built a server ( 2.8 p4HT, 2GB Ram, 500GB HDD) Just to test... But, i dont know what to do in the IP Address settings for the IPv4 ( I think thats what it is) Do i put my static IP address in my ISP gave me, or the local IP of the server ( Wich is Im realy confused. Ive tried everything i can think of, Reinstalled the os about 40 times up to now...

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CentOS 5 Server :: Webserver Not Able To Ping Or Browse To One Particular Website

Nov 11, 2010

I have 4 centos5 apache webservers all on the same network, recently, 2 of the webservers have stopped being able to ping or browse one particular website where feeds are obtained from this site. I have checked and firewall and selinux settings are disabled. The two webservers are able to ping and browse other sites. Dns settings are the same for all 4 servers. traceroute for working and not working webservers are the same.

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Networking :: Configure Dhcp Server On Centos?

Feb 9, 2010

how to configure DHCP server on centos linux and how to configure FTP server on centos linux

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CentOS 5 Networking :: How To Install And Configure Vpn Server

Jun 17, 2010

i want to install and configure vpn server on centos 5.5 final i want to work it like that my server is in other city or country, i want to connect it in other city or country and want to use remote server internet on my computer.

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CentOS 5 Networking :: Documents On How To Operate And Configure VPN Server

Apr 12, 2009

i'm looking for any documents or video tutorial for How to Start VPN SERVER on Cent os 5, i'm going to make VPN accounts and set monthly bandwidth on each ,on my Server and let to client's to connect to server via VPN Connetion, such as [URL]...

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CentOS 5 Networking :: Configure DHCP Client To Register Itself To DNS Server?

Aug 23, 2010

I'm new to CentOS and has recently use it.

I'm looking for a way to configure DHCP client so it would dynamically set the hostname and register itself to a DNS server. I don't have access to the DNS server.

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Networking :: Configure My Firewall (through Iptables) To Allow Apt-get Features

Apr 26, 2010

I am encountering problems to configure my firewall (through iptables) to allow apt-get features, like update and install.I have the latest debian server running in a virtual machine in my windows xp and therefore I have two interfaces in this debian server:- NAT Interfaceinet: Host Only Interfaceinet: far my iptable rules drop all packets for default, in exception icmp and ssh that I allow to ping and connect from my windows xp. Both of them I use only the Host interface (192...) to connect to another 192... interface on my windows.

Those are working fine, but apt is not. I know, in this very moment it shouldn't. But I made a lot of attempts trying to configure the iptables allow connections through the 80 and 21 ports from/to NAT and Host. I think I made all possible combination (or not, because it didnt work). But I'm wondering if someone more experient can help me solve this problem.

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Ubuntu Networking :: Autoconnect To Multiple Name-schemed Networks On A City Bus?

May 25, 2010

I do a lot of work on the Seattle bus system on my Jolicloud netbook (I'm a hardcore Kubuntu user, and Jolicloud is based on Ubuntu Netbook). All Seattle buses have free wifi. They have a name scheme like "ST_9545" for the 545 from Redmond to Seattle, or "ST_7483" for whatever. You get the idea...all the free wifi on the buses are "ST_****".

Here's what I want. I want to autoconnect to whatever my current bus's wifi network is based on a name scheme. "ST_****" will be the name of the open wifi network on the bus. How do I set it up so my netbook automatically finds and connects to an open wifi network with that specified naming schema?

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CentOS 5 Server :: VsFTP Iptables Wont Start Get Error - CentOS 5.5

May 11, 2011

i am currently trying to install vsFTP onto my new linux server and btw i just started using linux today this is my first time using linux so i got the ftp installed good it got downloaded and everything then i went to open a port for my server for vsFTP i used this comand to open it "-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 21 -j ACCEPT" then i closed it by pressing ESC then :wq! and it brought me back to my comand line again so now when i try to start the ip table thing with the comand "service iptables start" then when i execute that comand putty respondes with this "Applying iptables firewall rules: iptables-restore: line 1 failed [FAILED]"

The install Guide im using: [URL]

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Ubuntu Networking :: WebServer 2008 On Server Not Reaching Outside World

Apr 7, 2010

I have a Belkin N router setup with a virtual server to port 80 to which my server sits on.

However, for some reason, I can get to the server from other PC's on the Router, but from outside, it will not port to the Server?

Any ideas on how to setup this?

I have Windows Webserver 2008 installed running on a 3.0GHZ Server.

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OpenSUSE Network :: Configure A Webserver In Apache 11.3?

Mar 5, 2011

I am running 11.3 64bit. I need to set up a simple web server, and I was trying to follow this tutorial to do it HowTo: Configure a Linux Apache Web Server on Suse/openSUSE for SSI, Includes, CGI, Common Gateway Interface, AddHandler, ExecCGI, AllowOverride, htaccess, DocumentRoot The web server is running but this part could not be applied and I need to change the ownership. it seems the command lampserver does not exist.


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Debian Configuration :: Install And Configure Webserver Squirrelmail

Aug 26, 2011

Trying to install and configure a webserver - With Postfix, Courier, MySQL And Squirrelmail. But I am stuck. Postfix mail system is not running. It seems to execute /etc/init.d/postfix start, but it really did not. reload; fatal: the Postfix mail system is not running. And in mail.log is that:
Master.cf: line 40: bad transport type: smtp_data_d$_done_timeout=1200

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Ubuntu Servers :: Webserver Is Working - Configure MySQL?

May 7, 2010

So in my first ever attempt at Linux (and servers) I was able to set up a working web server that is visible from outside my network and created a simple PHP page thanks to this tutorial. I installed MySQL and have some experience with MS SQL but have no clue how to get started setting up databases and writing procedures in MySQL. I know all the syntax about writing scripts for MySQL (assuming it's the same as SQL) but I don't know how to get started. Do I need to be on the web server or can I do it remotely? Is there a front end GUI that everyone uses?

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Ubuntu Servers :: VSFTPD Server Acces From WAN?

Feb 18, 2011

I made a "test" server recently, put a samba + apache + vsftp server on it. The first 2 work but the VSFTP server is troubling me. On my lan it works. but on a wan: My ISP blocks port 21 so I changed it to 2200, my friend tried to connect earlier (With "ftp://myip:2200") and he had to type in a name and password, he did that (I made him an account)he got 425 failed to establish connection. Now I Re-installed vsftpd again, did the exact same thing and now it just wouldn't connect. saying the webpage can't be found. Question 1: What should I do to let a user acces from outside of my LAN? I think it's because of passive mode: but I have no idea what ports I should open for passive mode? My ftp port is 2200.

FileZilla tells me.
Entering passive mode
Command: List
And than that it can't find directory's

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Networking :: Can't Acces A Particular Website / Way To Do

Nov 29, 2010

I have met following problem: there is a website I cannot access.
When I am trying to connect to this site I get an error message. I tried all browsers installed on my system. Seamonkey, Firefox, Konqueror. All failed. I don't understand this completely as I have no problem with connecting to internet. Now I am thinking that I myself somehow unintentionally blocked an access to this particular site. Is it possible? Under W$ I have no problems at all.

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CentOS 5 Server :: Automation Of Ftp Server \ Configure A FTP Server Where Upload And Download Files?

Jan 8, 2011

i have been trying to complete the following project1) Configure a FTP server where we can upload and download files.........2) server must run at 9 pm & stop at 9 am automatically ............although the first task was easy ,i have no idea how to accomplish the 2nd task(not to mention I'm a new user)

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CentOS 5 Networking :: Iptables U32 Does Not Work

Apr 7, 2010

When I try something like, I get:

iptables -A FORWARD -p udp -m length --length 39 -m u32 --u32 '27&0x8f=7' --u32 '31=0x527c4833' -j DROP
iptables: No chain/target/match by that name.

So I re-compiled the kernel enabling WAN Router, and all the subsections. Downloaded latest iptables, removed the RPM one, installed the iptables from source.. Guess what, same error!

PS: iptables -m u32 -h works, it displays a page of info.

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CentOS 5 Server :: Port Configuration - Being Blocked - Iptables And Connection

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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CentOS 5 Server :: Fail2Ban Is Up And Running - IPtables Rules Not Created

Nov 18, 2009

I have been trying for days now to get this to work. didn't want to bother people with my questions, i have installed Fail2Ban 0.8.4 on CentOS 5.4.

I get the email notifications from Fail2Ban stating that it just blocked another IP, however, when i look at the iptables through webmin, nothing is actually in there, also the log/secure file dose not show that the ip has been blocked.

Even when I try to log-in with the wrong password, after a few tries i get the email telling me that my ip is blocked, however, I can still SSH using my 'blocked' IP.

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CentOS 5 :: Edit The Iptables To Include Some Ports/ip For Openfire Server?

Jun 16, 2010

I am trying to edit the iptables to include some ports/ip for openfire server. The problem is the computer is very locked down with permissions...I logged in as ROOT with ID 0.Now the iptables has ROOT for permission BUT ID 1 which reflects BIN.As root i cant edit or chmod/chown the iptables. Here is what i tried:

1. change password of BIN - successfully changed with no errors BUT still cant su BIN with the new password...

2. tried changing the ID of ROOT to 1 but I dont have permission to use the command....

so anything i can do here??? I dont have permission with Shadow either...

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CentOS 5 Networking :: Iptables Empty After Reboot?

Aug 5, 2009

I have a strange problem with IpTables.after a server reboot, the complete rule-list of iptables is empty. After a manually start, all my old rules are there again.I checked chkconfig if autostart of iptables is enabled:chkconfig --list iptablesiptables 0:off 1:off 2:on 3:on 4:on 5:on 6:off

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CentOS 5 Networking :: Firewall Insanity Iptables And Apf Don't Seem To Like Each Other?

Aug 13, 2009

I'm at my wits end at this point.

CentOS 5
APF 9.7
Webmin 1.4.80 (yes i can be a gui noob at times)

I'm currently running a dedicated server that hosts a couple of sites and runs a game server or two. I was using iptables on its own for a while, but recently I'm a target of all sorts of attacks (typically aimed directly at the gameserver on port 7777. UDP flood attacks, etc). I'm also seeing an spike in foreign spam, SSH brutes, and a few people in Turkey thought it would be cute to download files over and over and over I have decided to start banning entire countries, using the subnets listed here [URL]... I'm trying to block Central and South america (189,190,200,201.x.x.x), China, Ukraine, Turkey, Iran, Spain and Italy. I do this because a majority of the traffic from those areas are usually up to no good.

I installed APF so I could easily add these ranges in deny_hosts.rules and be done with it. I added the ranges, which turned out to be too many, and the system tanked. I decreased the amount of ranges to just 4:

Restarted APF and it loaded fine. Do an apf --list and iptables --list and it shows those 4 ranges as blocked. The only issue...I have people from 190.x and 200.x connecting to the gameserver and PLAYING. Its as if the firewall isnt there. Also, adding those ranges to /etc/hosts.deny (or whatever) doesn't block them either.

I add one of my own ips and I get blocked instantly. WTF?? I look in the iptables for webmin, and it shows an empty firewall. I do iptables --list and it shows the ranges I added in APF. I'm looking at building (or whatever its called) an fresh iptables with the geoip module added in. [URL]...

I've never done anything like this, and I don't want to kill the box. I also don't want to spend the effort if 1) something is wrong with my system to begin with and 2) the geoip module doesn't work. geoip module aside....how exactly should i configure the firewall? Empty iptables completely and then rely on APF for everything? Oh and heres another tidbit: I tried this before 2 years ago and it used to be that anything I put in APF would show when i looked at iptables using the webmin module. Thats no longer the case now. That was also on CentOS 4 when it did that. I don't know if moving to 5 is whats preventing it now.

In a nutshell, I'm new at this and I'm being inundated with terrible people trying to do terrible things and I'm ready to just give up. Can someone just give me a quick rundown on:

1) how to test that my firewall is actually firewalling

2) how I should configure the/a firewall on this CentOS5. Not too specific, I just want to know if I should empty iptables then load apf, should i not bother with APF (i like it when it works), is there a specific order of doing things?

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