port-forwarding on firewall or via SSH

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2answers
581 views

Forwarding port 80 on binatone router [closed]

I am forwarding port 80 on binatone router to my server running apache http server. the configuration works perfect when i access the server from outside of LAN but when i try accessing server from ...
3
votes
2answers
560 views

What is the difference between SSH and SSH Tunneling

As the title says, I don't really understand the difference between them. For example, if I connect to a specific server through SSH without tunneling I get the same shell as I get with tunneling.
0
votes
1answer
83 views

Forwarding to firewalled web server over reverse SSH

I have a server running NGINX on local port 80 within my corporate NAT. From any remote box, I am able to setup a reverse SSH connection and connect to the firewalled box on port 22. Here's what I've ...
0
votes
1answer
973 views

Port forwarding behaves differently from virtual server in D-Link router?

There are two pages in D-Link router to setup access to internal network from outside: Port Forwarding and Virtual Server. Both allows to map external port to internal one, except latter page also ...
0
votes
1answer
79 views

Limit ports to specific subdomains [closed]

When using a professional webhotel hosting company, their serveraddress to the incoming e-mails (pop3 / imap) are limited to a specific subdomain. Example: Port 25 (SMTP) can only be accessed via ...
1
vote
2answers
207 views

Port forwarding, iptables apt-get not working

I'm currently setting up my server. I use proxmox which similar to vmware. Important thing to know is that i only have 1 external IP address. On my server, I forward port 80 and 443 to virtual host ...
2
votes
2answers
967 views

IPTables port forwarding keep originating IP address

I'm hoping someone can help me with this configuration. I already have a working setup where a Linux box is acting as a router just doing port forwarding for public IP's. These are all public IP's ...
0
votes
1answer
413 views

Routing traffic from VPN to different network device

Finally i got OpenVPN up running, but now i really miss accessing all my webservices (apache, ftp, ssh etc.) through the VPN server. Is there a simple way to route all traffic from my wlan1 device to ...
0
votes
1answer
135 views

Transferring mail requests FROM mail.ourhost.net TO pop/smtp/imap.otherhost.net

Have some troubles with internal mail server and wanting to migrate to external mail provider (pdd.yandex.ru). I know how to transfer users and their mail (many thanks for API to Yandex), but in ...
0
votes
4answers
391 views

ssh to local network behind a public IP (TCP forwarding)

I want to connect (using ssh) two remote computers in a local network using a unique public IP X.X.X.X. | HOST_A---------| 172.1.1.2 | _____________ ...
0
votes
1answer
463 views

Forwarding ports for RDP with SBS 2012

I am having issues forwarding ports on a D-Link DIR-615 router. I have a Windows Server 2012 Essentials set up, including the Remote Web Access (which works properly!). The problem originally is that ...
0
votes
2answers
149 views

iptables port forwarding A -> B -> A

I have a host machine(A) with lxc-container(B). A's local ip address is 10.0.3.1 and public ip, let's say 1.2.3.4. B's local ip address is 10.0.3.21. I need 1.2.3.4:7999 to be forwarded to ...
4
votes
1answer
245 views

SSH RemoteForward notify client on failure

I am using SSH to forward a port on a remote machine (Client) to another machine (Server) using (~/.ssh/config) Host Client: Hostname {ip} ... RemoteForward localhost:{port} localhost:{port} ...
0
votes
1answer
1k views

Simple iptables port forwarding with masquerading not working

I'm trying to set up a simple VPN server on EC2 (Ubuntu 12.04) with the Android example ToyVpnServer. Its instructions: // There are several ways to play with this program. Here we just give an // ...
0
votes
1answer
2k views

iptables: Internal port forwarding with fwmark and routing tables

I have 2 servers and I need to forwart to internal port. To explain I use the server with 2 interfaces (internal/external) as server A and the internal server as server B. In server A i use ...
-1
votes
2answers
124 views

How do I determine which program is rerouting traffic on port 80?

A while back, I wanted to redirect all port 80 traffic on an Ubuntu server to port 3000 for a Rails app. Instead of just using iptables, I googled around and found some other way to do it (I can't ...
1
vote
1answer
2k views

Tool for forwarding UDP packets Windows

Windows Server 2008 I use portproxy interface to forward traffic , but I looked into the msdn page and I noticed it doesn't support udp protocol . protocol Specifies the protocol to use. ...
1
vote
1answer
83 views

Ip forwarding in windows 2008

I have a server in my local LAN with a local IP and I 've deployed my web application on this server, I can see the application on local clients. For external users I have forwarded specific port in ...
-1
votes
1answer
65 views

Name-Based Port Redirect

Desired Effect request server1.foobar.com:25565 result server1.foobar.com:25565 request server2.foobar.com:25565 result server1.foobar.com:25566 request server3.foobar.com:25565 result ...
-1
votes
1answer
77 views

Two or more services on same port behind NAT [closed]

I think this question is not first but all what I see don't useful for me. Ok, for example I have my network behind NAT where I want setup two http servers on the different hosts. How I can perform ...
0
votes
0answers
132 views

Can not access SVN repository from internet

I've built my own SVN repository which works fine in my network. Here's the problem, I want to access it via internet so I did port forwarding to allow access for the SVN tool and apache (it allows ...
1
vote
1answer
519 views

Iptables port forwarding for specific host dd-wrt/tomato

i m trying to open ports 5060 and 5004 (udp & tcp) for a specific internal ip (192.168.1.5) but i only want communication over these ports to be between specific external host(s) and deny ...
-2
votes
1answer
411 views

Port forwarding to expose home web server [closed]

I would like to setup a personal home server, I bought a mac mini and I installed Ubuntu server on a Virtualbox machine using bridge adapter. All is fine, I can type the ip of the VM in any browser of ...
1
vote
1answer
165 views

SSH proxy and remote port?

Sample : [[Server]] has two interfaces : iface1 and iface2 ; iface1 only listens SSH iface2 only listens HTTPS (my target) Only [[SSHProxy]] is authorized to connect to [[Server]]:22 diagram : ...
-1
votes
1answer
141 views

Connecting to vpn from behind a router (with dynamic IP) [closed]

I've made a pptp server on Ubuntu and considering I'm fairly new at this stuff I somehow made it work (tested from a friend behind a router without any port forwarding). Granted it was kinda slow, but ...
1
vote
1answer
288 views

How to forward a server socket to a (possibly ssh) client

I'm wondering if/how I can realize the following setup. It doesn't seem to fit the standard ssh port forwarding model. I have a client machine A. I have a server application running on machine A, ...
0
votes
0answers
52 views

Prevent port from being used by anything but one application

Is there a way to make only java be allowed to use a certain port? OS: Windows Web Server 2008 R2 No access to router (hosted box).
2
votes
1answer
197 views

apache vhost config so that _default_ goes to another IP

hi I have 3 apache servers but one inbound ip with one port 80 to listen on. all port 80 traffice goes to 192.168.1.10. But I want to vhost to send certaindomains like www.mydomain.co.uk to the local ...
0
votes
3answers
3k views

How to route external TCP port 80 into loopback (127.0.0.1) port 8080?

I have a test VDS box with real IP. If i start web server on physical interface port 80, it can be opened from another computer via it's ip address (and default port 80): python -m SimpleHTTPServer ...
1
vote
0answers
192 views

Cloudmin GPL Xen PV with Nat Port Forwarding

I'm running Cloudmin GPL on CentOS 5 64bit and am trying to allow my Xen PV guest to access the internet via a NAT/port forwarding setup.. I've done the following: (on dom0) echo "1" > ...
5
votes
2answers
1k views

Cannot access Ubuntu server behind Huawei Router with port forwarding

I have an Ubuntu 12.10 server installed and have a static IP from my ISP. Pinging the IP results in success. I also have a Huawei Echo-Life HG-521 modem. I setup port forwarding with instruction from ...
1
vote
0answers
384 views

NAT loopback/reflection on Zyxel P-661HW-D1 doesn't work

I have a Zyxel P-661HW-D1 modem/router with several port forwards that works on the WAN interface. I'd like to make them work for the LAN interface as well, like I'm used to. I updated the firmware to ...
1
vote
1answer
100 views

forward traffic to ip based on ip?

I would like to do the following thing: I have a host server with two virtual webservers installed on it. First virtual webserver is production and second is development. In my DNS I have binded lets ...
1
vote
1answer
195 views

Port forwarding on Ubuntu - what are the minimum and maximum port numbers to use?

I'm using rinetd on Ubuntu as a port forwarding server. I'm running this on EC2. I need to know which ports are available for me to use for port forwarding. I know that the privileged ports are 0 - ...
0
votes
1answer
61 views

iptable nat forwarding

I am having three linux PCs ( A B and C )in a LAN . I want to keep A as a client and send request to B . B in turn should forward the request to C and C should return back to B and finally B to A . ...
2
votes
1answer
3k views

AWS service to setup port forwarding from Elastic IP to EC2 instances

Is there an AWS service (rather than creating an instance, and doing something via iptables?) that will allow me to use the API to set up port forwarding from a single Elastic IP address, onto ...
2
votes
1answer
819 views

Removing port forwardings programmatically on a ControlMaster SSH session

Quite a while ago I got an answer telling me how to add a port-forwarding on a running SSH ControlMaster process. To know that helps a lot, but I'm still missing a way to remove such a port forwarding ...
1
vote
1answer
612 views

forward public port 81 to port 80 on local ip

i am new to serverfault, so please inform me of any bad behaviors :) i searched serverfault (and google) for an answer, but can't find the answer to my problem (i can find answers which are partially ...
-2
votes
1answer
238 views

Loadbalancing with Ubuntu 12.04 [closed]

I am looking to create a load balancing server. Essentially here is what I want to do, I have a public ip address, lets say 1.1.1.1 I have a second public ip address, lets say 2.2.2.2 Here is what I ...
0
votes
1answer
814 views

Troubleshoot port forwarding. Could it be ISP blocking incoming connections?

Had a new Axis IP camera delivered yesterday. Plugged into Cisco E2400 Wireless Router but having problems. Example topology: WAN IP: 82.10.10.10 (example) Cisco Router: 192.168.1.1 Axis ...
1
vote
0answers
127 views

Changing externally visible IP on a multi-IP router?

I work at a public library and I'm trying to configure OCLC's EzProxy software. I've run into a problem and I think it's related to our network config. I'm punching above my weight here a little so ...
0
votes
2answers
722 views

Why is port 444 open on this router?

I have a Cisco RV110W. I ran nmap at it from the outside and nmap reports that the router has tcp port 444 open. Yet there are no port forwarding rules specifying this port. It should as far as I can ...
2
votes
1answer
661 views

How make a SSH tunnel from one computer to another and forward its traffic?

I have two computers both running Linux. Let's call them computer A and computer B. Computer A has IP 192.168.1.10 and B has 192.168.1.11. On computer B there is a JBoss 7 AS installed and its admin ...
2
votes
1answer
1k views

Remote port forwarding with Putty

When I create a remote port forwarding tunnel with Putty, a remote port opens on interface with ip 127.0.0.1. On the remote host I'm able to nc localhost RPORT and forwarding works, but I'm unable to ...
0
votes
1answer
151 views

Forward port on Windows Server 2003 to virtualbox machine

I would like to forward some ports (specifically TCP 22, UDP 1194, TCP 80, TCP 443) from a Windows Server 2003 to a Linux VM running inside VirtualBox on the same machine. Is there an easy and ...
2
votes
2answers
756 views

Redirect websockets to port?

So, I've got a WebSocket server in C++, that is a completely stand-alone entity - handles header parsing, receiving, sending, all of it on its own, listening directly to the port. Problem is, it ...
0
votes
1answer
89 views

Varnish as port forwarder should not store the entire HTTP request before forwarding

I want to use Varnish to listen at port 80 and forward the HTTP requests to different local ports, based on the hostname. Each hostname represent a different Rails application. Is it default behavior ...
0
votes
1answer
269 views

SMTP traffic timing out on my server [closed]

My mail server is not getting or processing incoming e-mails. I recently changed my MX record to point to a different router on my network. I opened port 25 on the router and pointed it to my mail ...
0
votes
3answers
1k views

Using a nat rule to translate 80/443 traffic to web server, but internal users cannot access it using external ip/domain name

I am using Cisco ASDM for ASA I have my internal network called soa. My outside interface is called outside. Let's say my outside IP given to me by my ISP isp is y.y.y.y I have a web server inside ...
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votes
1answer
932 views

127.0.0.1:8080 works but localhost:8080 doesn't [closed]

This may be super easy so I apologize in advance but my strengths are in coding. Why can't I access my localhost at localhost:8080? 127.0.0.1:8080 - works 127.0.0.1:80 - doesn't work 127.0.0.1 - ...