port-forwarding on firewall or via SSH

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164 views

Route SSL requests depending on host

I am trying to forward SSL requests depending on the hostname to sub daemons running on my machine. To achieve such a behaviour, I tried experimenting with nginx, which will then act as a reverse ...
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1answer
174 views

Unable to setup HTTP Server so that external clients can access

I am running Red Hat Enterprise Server 6. It has Apache Server (httpd) installed and running on boot by default. My document files are kept in /var/www/html/web and I can access them on my computer ...
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1answer
151 views

Forward only incoming requests to port 80

I'm trying to forward the local port 80 to the local port 9080. Basically this works if I set iptables -t nat -A PREROUTING -p tcp --dport 80 -j REDIRECT --to-ports 9080 iptables -t nat -A OUTPUT -p ...
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1answer
267 views

Should I use non- standard Windows Azure Port Mappings?

When I configured Windows Azure VM last night I had to Edit Mappings in Azure Management portal. This is a process of opening a public port and mapping that to a private port. Its very simple but I ...
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2answers
2k views

Cisco ASA-5505 Port Forwarding

I have a Cisco ASA-5505 firewall, which is currently configured to share our internet connection and do NAT for my LAN, as well as forward port 443 to an internal machine. I need to forward port 2222 ...
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1answer
2k views

ASA 5510 8.4 Nat & Portforwarding

So I'm trying to forward an internal service on a internal server to the external interface on the same port on the outside interface of our ASA. I been searching for a solution for days and found ...
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1answer
3k views

How to set mark on packet when forwarding it in nat prerouting table?

I have a few port forward rules like this iptables -t nat -A PREROUTING -p tcp --dport 46000 -j DNAT --to-destination 172.16.8.2:46000 iptables -A FORWARD -p tcp -d 172.16.8.2 --dport 46000 -j ACCEPT ...
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1answer
75 views

Do any applications using port forwarding require the SNAT address = external DNAT address?

We use iptables to implement SNAT for our users with a dozen external IP's in round robin (for load balancing). Our developers require port forwarding to their machines and have each requestded a ...
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2answers
3k views

NAT routing and port forwarding on Cisco ASA 5505

I have inherited my first Cisco router and am having trouble understanding how to do NAT port forwarding correctly. ASA: 8.0.2 ASDM: 6.1(1) I have a single external ip address on the outside (via ...
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1answer
207 views

re-route requests on filtered smtp port 25 [closed]

My VPN filters port 25 (to prevent spam) but my ISP doesn't. The VPN takes over all traffic and changes the default gateway? How can I bypass the VPN to send mail? I want all outgoing traffic except ...
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0answers
60 views

Is there a way to diagnose *where* comms to a port on a windows machine is being blocked?

I am developing a system that comprises an email server. I have so far been unable to connect on port 25 (using telnet), despite having checked the following are set up correctly. Connections to port ...
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1answer
912 views

Can you configure SNAT with multiple source IP's and use static DNAT (port forwarding)?

We have a private LAN connected to a firewall with multiple public IP's to use for SNAT in order not to overload the ports on a single IP. However, we have a requirement to allow certain workstations ...
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0answers
1k views

Puppet agent (v3.0.1) hangs connecting to master (v3.1.1) in VM behind firewall (with NAT based access)

I am using puppet agent v3.0.1 (On FreeBSD), trying to connect to a puppet master v3.1.1 (On Ubuntu) and the puppet agent hangs with the following debug output: puppet agent --debug --no-daemonize ...
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3answers
3k views

Registering SIP phone (X-Lite) to asterisk server (asteriskNow)

We currently have a school-project going in which we need to set up an PBX with Asterisk. Thus we have installed asteriskNow in a virtual environment (with virtualBox) on ubuntu 12.10. We tried the ...
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4answers
124 views

Vps to laptop ssh tunnel

I have a laptop that I use mostly as a desktop but occasionally it moves networks. I have a vps with a static address and I want to forward ports from the vps to the laptop so that I can get to the ...
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0answers
234 views

set DMZ server on modem that not support DMZ, using port forwarding

I have to see an application server from outside of my network, but the modem that I am using is a Zyxel P-660-HN-T1H that not supports DMZ server configuration.So, which port(s) I should forward to ...
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2answers
1k views

DSL routing - NAT Virtual server - port forwarding - static ip address [closed]

My NAT virtual server - port forwarding has been working fine up to the past couple of weeks. All in a sudden, it doesn't work. Setting was done as shown on the link: I'm afraid it no longer ...
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1answer
492 views

Configure nginx to forward external port to same internal port

I'm running TileMill, which is listening to port 20008 and 20009, from localhost. I want 20009 to be only accessed through nginx on port 80 (with simple auth). I want 20008 to be accessible "directly" ...
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0answers
111 views

Forwarding DNS requests

How to forward DNS requests (or any requests on port 53) on Cisco Router (for example Cisco 2811)?
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2answers
138 views

How to configure port-forwarding to enable internal service accessed by another machine?

I have an existing service which is listening on 127.0.0.1:2009, and I want to access that service from another machine, so I tried to configure port-forwarding to do it: sudo /sbin/iptables -t nat ...
0
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1answer
317 views

redirect traffic from 2 Ubuntu external NICs to specific internal hosts

I am having problems redirecting incoming traffic to 2 external facing interfaces on my Ubuntu 12.10 server to 2 separate internal hosts. I am able to redirect incoming traffic on my eth0 just fine to ...
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1answer
455 views

Forwarding url requests to different ports

For development I run a few different servers (multiple instances of Tomcat and nodejs) to simulate some applications that work together. Each one runs on a different port and responds to different ...
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1answer
461 views

Packets do not reach FILTER chain of iptables

I have a problem I cant figure out, I am trying to access webserver on [RPI], but packets never reach iptables FILTER chain I will try to explain it a bit: GW1 has public address and doing DNAT from ...
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2answers
363 views

Opening tomcat server to the public

I have a server that is pingable from the public internet. I've just installed tomcat on 8080 port on this server. From the server itself I can see the main page come up when accessing ...
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0answers
87 views

Pass / forward 8080 port on server with masquerade

There is server machine wich is connected to ISP only with modem, no router. Server got apache on 80port. Now on other ethernet card in my server i have cable going to my router, router serve ...
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1answer
236 views

How to check for GRE Tunnels [closed]

Is there a way to check for GRE Tunnels? I've heard spammers will use GRE tunnels to send mail from a central machine out of another and would like to check for possible GRE tunnels.
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2answers
1k views

VPC SSH port forward into private subnet

Ok, so I've been racking my brain for DAYS on this dilema. I have a VPC setup with a public subnet, and a private subnet. The NAT is in place of course. I can connect from SSH into a instance in the ...
1
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1answer
3k views

cisco ip nat / port forwarding

I have been trying to get port forwarding working with a newly installed cisco router. I cannot seem to find where my fault is and have been looking for quite a while. The relevant section of my ...
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1answer
736 views

Forwarding SNMP ports over SSH

I access my work network through a VPN and have access to every host in there through SSH. Currently I need to access around 3000 hosts via SNMP, but corporate sec policies restrict SNMP access ...
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1answer
231 views

How Do I Access A PIX External Port-Forward From The Inside Network?

I have a PIX running 8.0(3). I've got a port-forward to permit external users to hit a server on my inside network set up as so: static (inside,outside) tcp interface 8080 192.168.168.100 8080 ...
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2answers
4k views

Change port and host using .htaccess

I am trying to use mod_rewrite to basically port forward a port on a subdomain to another port on another IP. Like this: sub.website.com:2000 --> 123.45.67.891:3000 How could this be ...
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1answer
814 views

NAT / Port Forwarding with iptables firewall [duplicate]

I've got the following setup: firewall (iptables) eth0 internal interface, 192.168.2.10 ppp0 external interface, public_ip (IP masquerading) server1 (192.168.2.11), service 1 (port 443) server2 ...
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3answers
379 views

IOS Nated port forwarding

I have cisco ios router with ios C1900 Software (C1900-UNIVERSALK9-M), Version 15.2(4)M1. And I have setup Nat with port overload (one public IP). And there is a static mapping: ip nat source static ...
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2answers
485 views

Re-routing incoming network traffic from sub-domain to specific port on Windows 2008

I'll do my best to explain this. I've got a Windows 2008 server with TWO local intranet-sites running on it. The first website will open if you just type in the name of the IP address - ...
0
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1answer
2k views

Can I confugure RRAS on Win8 (non-server OS)? [closed]

I'm trying to configure RRAS (Routing and Remote Access) on Windows 8 (not a server OS). Is this possible? I've started the service "Routing and Remote Access Services", but the entry still doesn't ...
0
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1answer
215 views

2 Public IP's - 2 exchange servers - Need port forwarding to both

I am currently setting up 2 new servers at a Church/Private school. They are migrating from one single exchange server to two separate servers, they are set up through vlan with different subnets. I ...
0
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1answer
452 views

How do I Reject all SMTP traffic except from a specified IP Block using DD-WRT?

I am running DD-WRT v24-sp2 std firmware on a Linksys WRT54GL. I have a port forward configured on port 25 to ip 10.10.10.1. What I want to do is allow this port forwarding, but only from WAN IP's in ...
0
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1answer
90 views

Redirect an Outgoing port using IPTables to an aliased IP

I'm working on a network where I need to set up a specific port forward and am struggling to figure out if IPTables can do it. I have a server on an internal IP (192.168.XXX.1) routing through a ...
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2answers
2k views

Accessing a host's SSH tunnel from a guest VM in VMWare Fusion [closed]

I have VMWare Fusion running on my OS X host and I have a Windows 8 Pro guest VM running. On my host I have an SSH tunnel open on port 1010. The SSH tunnels works great from OS X Safari once I set the ...
0
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1answer
3k views

Configuring UPnP on pfSense

I need a little help configuring UPnP on pfSense. I have installed pfSense between ADSL connection and connecting internal router. There are two video servers behind the router that need port 80, ...
3
votes
1answer
62 views

Port Forwarding Between 2 Internet Machines

Here's my scenario: Setup There are 3 machines: A: on the internet : has ip (a.a.a.a), has port pa open B: my server / gateway : has ip (b.b.b.b), has port pb open C: on the internet : has ip ...
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votes
4answers
5k views

LXC, Port forwarding and iptables

I have a LXC container (10.0.3.2) running on a host. A service is running inside the container on port 7000. From the host (10.0.3.1, lxcbr0), I can reach the service: $ telnet 10.0.3.2 7000 Trying ...
0
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1answer
746 views

Port forward (NAT) based on domain/URL

I currently have my Time Capsule to forward all inbound requests on port 80 to my Mac Mini which runs a web server with its local ip address of 192.168.1.8. I also have DNS set up so that if I go to ...
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1answer
90 views

Need to know how to route non 80 port to a sub domain

I have my domain hosted in my own server. There are two applications running on my server that are accessible via example.com (IIS on port 80) and example.com:8080 (Tomcat on port 8080). Now I would ...
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1answer
4k views

Remote Desktop working in LAN, but not over WAN

We have a server with Remote Desktop enabled, but we can only access the server from inside the LAN. Port forwarding on port 3389 is set up on the gateway/modem (Comcast SMCD3G) and canyouseeme.org ...
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1answer
86 views

How do I forward an internal port to an external one?

I have three systems: my laptop, a login node, and a compute cluster. The compute cluster does not have internet access. The login node does. If I run my simulation program on the login node, I can ...
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1answer
1k views

forward ssh port from one host to another host and different port on another interface

i would like to forward a ssh port to another host and a different port and interface. server1:22 -> server1:22 public internet -> eth0 -> server1:23 -> eth1 -> server2:22 i enabled ipv4 forwarding ...
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1answer
123 views

RDP forwarding on HP/UX machine

I have a setup that consists of a HPUX machine that acts as a router and has a set of windows machines sitting behind it. I have given the HPUX box 3 external IP address on our main network so we can ...
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2answers
664 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
743 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.