Port Forwarding To Servers On The Same VLAN
Jul 5, 2007
I have two servers setup on a private VLAN with two virtual IP's.
One server has 10.250.0.1, the other 10.250.0.2.
I can forward the ports fine when they are on the same server but when I try to forward a port on the first server to the virtual IP on the second server it does not work.
I can ping the virtual IP's fine from both servers and am able to connect to them through SSH.
I am using iptables to port forward with the following commands:
Code:
# iptables -A FORWARD -i eth0 -o eth0 -p tcp --dport 8080 -m state --state NEW,ESTABLISHED,RELATED -j ACCEPT
# iptables -A PREROUTING -t nat -p tcp -d XX.XX.XX.XX --dport 8080 -m state --state NEW,ESTABLISHED,RELATED -j DNAT --to 10.250.0.2:22
Anyone have any ideas on how to make this work?
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Jun 27, 2008
I'm a bit new to this, and I wanted to host my server on a VPS. I tried connecting, but that just didn't work. Do I need to portforward the VPS? Sorry, Like I said, I'm a bit new.
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Apr 18, 2006
what is port forwarding?
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Nov 27, 2008
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Here is the problem.
When a customer goes to there website it forwards to
mck-communications.com:[port]/clients/there co name/
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I own all the domains I use.
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I want to use a a VPS server to which I have SSH access to do port forwarding, I know SSH default port is usually on 22, first thing I would like to do is to change this to port 443.
Second thing I need to do is to tell the server to allow me to do port forwarding.
The idea is that when I am travelling I can browse the internet securely from an internet cafe by using Putty and Firefox on an USB.
I already have done it in the past using someone's else server, I know how to configure Putty and Firefox that is not a problem, what my knowledge lacks is how to configure my own VPS server to do this so that I don't need to rely on anyone else,
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During the day I am behind a network connection that is firewalled blocking ports such as SSH. Is there anyway I can set up some sort of a port forwarder(or whatever you call it) so I could still access the ports I need even though the network blocks it?
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Aug 9, 2007
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The process of adding and removing ip's is being done through cPanel's WHM. The reasoning for this is due to ARP on the router for the specific IP. This is a big issue if you're looking to migrate IP's from one machine to another that contain customers this is a long wait.
Now from the datacenter I was told you're going to need to wait the 4 hours for the refresh. Now what's strange is I was also told virtuozo apparently can swap ip's to other boxes without issues because it apparently it has a mechanism in place to release the ip's from the router/switch by communicating to it so the old arp is gone. I also asked someone using OpenVZ and they said theirs was instant as well to swap between boxes.
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/etc/apache2/ports.conf
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about the NIC and switch,
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Jan 20, 2007
I have a lot of questions here so if you can't answer them all I understand. even pointing me somewhere where I could get the answers would be appreciated; hardware sites focusing on server hardware, forums focusing on such, etc.
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Jul 11, 2008
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Jan 22, 2008
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Apr 24, 2008
i currently have a domain registered with namecheap that is NOT being hosted.
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Jun 12, 2009
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Jul 2, 2007
What I want to do is have a subdomain such as sub.mydomain1.com redirect to sub.mydomain2.com and have sub.mydomain1.com still show in the address bar... can anyone tell me quickly what the correct DNS setup for this is?
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Aug 7, 2007
I have my home server Problem is that my isp started blocking port 25.
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I m unablke to recivece emails too even the port 110 is open.
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Feb 21, 2007
im trying to use my cpanel to set up an email forward and i just cant seem to get it to work.
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Jul 27, 2008
I have this strange issue,
There are few domains with few email accounts with some existing emails, like
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user2@domain1.com having 125 mails in inbox
user@domain2.com having 80 mails in inbox
user2@domain2.com having 380 mails in inbox
And many more.
Now these existing emails are to be forwarded to onespecificmailid@some-remote-domain.com
How to automate this?
There are hundreds of other mail accounts too which should not get disturbed/touched.
Each existing mail should be forwarded as normally incoming mails are forwarded.
We have root access and server specs are:
WHM 11.23.2 cPanel 11.23.4-R26138
CENTOS Enterprise 5.2 i686 on standard - WHM X v3.1.0
Any idea how to do that?
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Sep 4, 2008
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So I removed that forwarding to that address. However, the forwarding is still in place. I've used this script: ........
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I've taken a reseller account from ResellerZOOM which came with WHM/cPanel. I've my own private nameservers(meaning I got my own IP). I've a domain that I want to be forwarded to my wordpress.com blog, just like domain registrars offer domain forwarding but the registrar I registered my domain with doesn't give domain forwarding. so I was thinking that maybe I can point the domain to my nameservers & then have it forwarded to my wordpress.com blog. The thing is that I haven't used WHM before & I don't know how to do it, create some DNS zone maybe!!
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