port-forwarding on firewall or via SSH

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16 views

Connect to RabbitMQ (Amqp) via ssh gateway

I have the following situation: DevMachine (D) need to connect to a gateway/bastion server (G) and then be able to talk to another server serving RabbitMQ (R) traffic on port 5672. I tried using ...
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1answer
36 views

Forwarding ports over RDP protocol

I was assigned a task that needs to be performed on the corporate virtual machine. I'm connecting to a Windows 7 remote desktop over OpenConnect VPN. From there I have access to all network resources (...
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17 views

Accessing a workstation behind a firewall [closed]

Situation: I have a workstation using school network, and a laptop. I want to be able to (SSH) access my workstation from my laptop from a different network. Problem: School network blocks all ...
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16 views

ASUS RT-N66R won't allow port forwarding of 80 [closed]

Has anyone else tried to port forward outside port 80 to inside port 80 on an ASUS RT-N66R? I just spent 3 hours trying to get a new web server functioning from the internet (which I've done quite a ...
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0answers
21 views

Unable to elinks or Ping sites after starting IPtables service

Good day! I hope you can help me. I know how to add basic iptable rules but I don't know how to add rules for the following setup. Below are my host details: HOST01 - with Squid(port 3128) for ...
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0answers
18 views

WARNING: Server requests forwarding for unknown listen_port 0

I am trying to create reverse ssh tunnel between machine A and B. Both machines are windows and using Win32 OpenSSH. Here is what I do. On machine A I have a web app running on port 8080 On machine ...
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1answer
15 views

Local Port Forwarding does not work when only port 22 is allowed by Iptables

I'm trying to perfom a Local Port Forwarding using SSH tunneling. Machine 1: the rules of iptables are: Chain INPUT (policy ACCEPT) target prot opt source destination ...
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1answer
31 views

Making port forwarded to EC2 machine available to other machines

I'm using Apache Zeppelin and having the port forwarded from the EMR master node to an EC2 instance (running Amazon Linux). When I RDP into the EC2 instance, I can connect to Zeppelin by going to http:...
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1answer
11 views

Accessing to a remote PostgreSQL server using port forwarding to another machine

I try to access to a Server_A on which PostgreSQL is running. This server is on a local network, that's why I have to forward port from Server_B which is accessible and in the same network. To access ...
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15 views

Direct HTTP packets for an specific domain to a guest virtual machine [duplicate]

I got a situation of a (Windows server 2012 as host) and a (CentOS 6 as guest) using Virtual box. I have 1 Static IP Address assigned to the host. the host is hosting multiple sites using different ...
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1answer
13 views

Port Forwarding on Arris NVG599 results in “pinhole conflict detected”

I am helping a small business that won't buy an actual router or firewall and is using the Arris NVG599 that AT&T provided them. I have two port forwarding rules that need to be setup, 33891 > ...
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1answer
16 views

UFW 0.35 - Redirect incoming port 2121 to port 21 on VM (other interface)

I'm posting here because I've got a server, and I want to redirect the port 2121 of my main interface (eth0) to the port 21 of my secondary interface (virbr0). This is my configuration : Physical ...
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1answer
31 views

Getting a safe access to a computational server [closed]

Disclaimer: I'm not a sysadmin, so I might say stupid things / rely on incorrect assumptions. Feel free to correct me. I work in a startup and some time ago we bought a server for internal use for a ...
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0answers
12 views

Redirect header http for Apache in endian

Hello I have the following scenario, I own the Endian as a firewall server, and have applications that run on IIS and other by apache. The problem happens when I get a call on port 80 by the red ...
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0answers
18 views

iptables NAT with port forwarding

I have a Linux box acting as a NAT, with the following IPs: External network (eth0) - 128.123.xx.xx Internal network (eth1) - 10.1.0.1 (/24) I've got the basic NAT working, but now I need to forward ...
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1answer
54 views

IPTABLES - IP Restricted Port Forwarding for RDP

I can't find an answered question for this problem. I have about 7 ranges of IP address i would like to allow to RDP(port 3389) to a a server within my network. My main router uses iptables and i ...
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0answers
65 views

Port-forwarding with openVPN client-server (ubuntu 16.04)

Here is my situation : - I want to set my computer (Ubuntu 16.04) as a VPN server. It has a local IP address 192.168.43.190, and a public IP - I have one raspberry pi as a VPN client, on a DIFFERENT ...
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16 views

OpenVPN server to forward traffic to client

I've set up OpenVPN on my Debian server. I want all traffic that goes on the OpenVPN server on port 65535 to route to a client's port. The client is connected to the server using OpenVPN. But the ...
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1answer
33 views

How to authenticate clients trying to access my website via my external IP address? [closed]

I have made a ruby on rails app which is running on 0.0.0.0:3000 I have also forwarded the port 3000 on my router so that it is accessible remotely via the internet. So, I can view the webapp by the ...
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1answer
19 views

how to enable incoming connection from outside your home network, without a router?

I have a simple question. I dont have a router. i connect to the internet through a usb dongle or through hotspot from my android phone. The usb dongle connects to a 4g network, i use a prepaid sim ...
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2answers
231 views

Redirecting port 8080 to port 80 - how to add in /etc/sysconfig/iptables file?

On CentOS 7 Linux (acting as LAMP - and not "firewall/gateway") I have created a custom systemd service for running embedded Jetty at port 8080 as user nobody: [Unit] Description=WebSocket Handler ...
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2answers
92 views

How can I connect remotely to our network from behind a double NAT?

Having successfully set up my home office network for remote access via OpenVPN, I would now like to do the same thing at work, however I am double natted. There is a central router maintained by ...
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1answer
30 views

iptables port forwarding to server with different port

I am trying to port forward from one server to another. I have tried numerous iptables commands but they don't work. Am I doing something wrong? Here is my setup: VPS1: 1.1.1.1 SMTP Port : 25 UFW:...
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25 views

Watchguard - Does SNAT and NAT Play together

Whilst I'm yet to try this because I'm affraid I'll loose access to my watchguards external interface I would like to know if the following scenario works? We currently have a bank of external IP's ...
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12 views

L2TP and Openswan NAT

I have a connection between a local CentOS7 machine and a remote customer server connected via L2TP. I can communicate CentOS7 <--> Customer flawlessly, but the problem begins when I try to ...
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23 views

Use EC2 instance as proxy to client's VPN

I have a client who has given me access to their database over a VPN. I need my web application to also connect to the same database. My current approach is: Create a new EC2 micro instance (...
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1answer
34 views

Port forwarding prevents container from updating

I use the following route on my host machine in order to pass all my traffic to a NGINX server running at port 8080. -A PREROUTING -p tcp --dport 80 -j REDIRECT --to-port 8080 Unfortunately when I ...
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52 views

Azure port forwarding issues - endpoint is open and an inbound rule was made, but the port is still closed

I'm trying to open a small server to host a dedicated server for Starbound, but no matter what I do, the port doesn't seem to open. I've added the endpoint in my Azure portal and made an inbound rule ...
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1answer
18 views

How to divert request from apache to multiple servers ports (Zope 8080, Tomcat 8081 etc.)?

Hi I am running multiple applications on the same machine like Plone which is using ZOPE application server that is running on port 8080 and Tomcat which is hosting multiple web applications and ...
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1answer
32 views

Tunnel / Forward connections on server 1 to server 2

I have now spent some time researching, but I haven't found a working solution to the following problem: I want to tunnel any requests on server 1, port x to server 2, port x. The port stays the same,...
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25 views

Open port forwarding Sophos

I am running Sophos as a FW and IDS on my Amazon VPC. Behind sophos is a Bitnami Wildfly instance. I forwarded port 2223 to the Wildlfy port 22 and port 8080 to Wildlfy 8080. This all seems to work. ...
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17 views

set a explicit web proxy software to act as transparent proxy

I have a web proxy software (ccproxy) which creates an explicit proxy in the sense that the clients had to enter ip and port of web proxy to access it (proxy configurations in IE for example). ...
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1answer
32 views

Port Forward on Cisco ASA 5512-X

i would to improve port forward from an external host to an internal network, on my ASA. The network and the host are on two different interfaces, the internal network is on the internal interface g0/...
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0answers
88 views

Unable to access port 80 from public ip

I am trying to setup website on ubuntu which I wish to be accessible using my public IP. My network is as below: Lan network on host(localhost,127.0.0.1, 192.168.1.105) -> connects to router(192.168....
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1answer
62 views

additional public IP and local network

Currently we have router A that does all the routing/firewalling/forwarding/dhcp/... services. It also forwards ports 80 and 443 to server on our local network. We need second web server(not as a ...
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3answers
94 views

IP forwarding on Linux

I have three machines Source Machine Destination Machine - IP 10.20.30.40 Intermediate Machine - Host server1.test.com Source machine has SSH access to Intermediate machine and Intermediate machine ...
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1answer
102 views

Forward SSH to another Host

I have an ubuntu server which is visible from internet, let's call it "jumper". And this server has this name actually because I need that whenever an user SSH this server, it jumps (or forward or ...
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0answers
65 views

Remote port forwarding via ssh tunnel fails

I am trying to do some remote port forwarding via a ssh tunnel on my NAS (NAS4Free running FreeBSD), which is behind a firewall. I have added gateway_enable="YES" in /etc/rc.conf and also net.inet.ip....
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60 views

create a PPTP VPN server to act same as PureVPN PPTP server?

I'm new in networking. Our ISPs are providing us with private IP addresses so port forwarding is not possible, They are offering fixed IP addresses but with extremely high price so the only option is ...
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0answers
13 views

Can I setup unique Site-to-Site VPN's to individual VM's on a Physical Server that's behind a NAT at a site with one Static Wan address?

That was a long title, but hear me out. What i'm attempting (or hoping) to do, is setup a server at our office that runs multiple VM's and then have a site to site vpn from each of our clients' site's ...
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1answer
13 views

iptables port forwarding to specify ip

I use the following command to forward tcp 2222 in a host node to tcp 22 in a vm (192.168.0.100): iptables -t nat -A PREROUTING -i vmbr0 -p tcp -m tcp --dport 2222 -j DNAT --to-destination 192.168.0....
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1answer
97 views

Howto expose port in docker container

I’ve run a web service in a docker container on a custom port (8080). Here, I’m trying to run a container, exposing the relevant container’s port (as seen here), but the no avail. docker run -p 127.0....
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votes
2answers
292 views

iptables / KVM forward port

I have a server with one external IP address (e.g. 1.2.3.4). On that server I use libvirt to run virtual machines. Now I want to access a virtual server on my host via ssh (port 1234) from the outside....
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1answer
242 views

Port Forwarding on DROP policy

I'm trying to do a port forwarding on port 80 to a virtualmachine. If I set default policy to ACCEPT on input, output and forward chains the forwarding works. However, if I put the policy on DROP and ...
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1answer
179 views

Docker - This site can’t be reached

I installed a tomcat image and ran a container: [root@MY_IP ~]# docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS ...
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1answer
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Multiple NodeJS apps forward to port 80

I have a server running CentOS. There are a few NodeJS apps running on it. For example: example.com:8000 > My first app example.com:8080 > A second app example.com:8888 > Another one The problem ...
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1answer
88 views

ZyXel USG 40 portforwarding - does not work

I am trying to forward ports from my router to my server, I am using the ZyXel USG 40 router. When I access my server locally on my network it works. But, when I try to do it via my IP address it ...
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1answer
38 views

Port forwarding via Watchguard

I have problem with accessing oracle database with oracle SQL developer. I'm using Watchguard m400 as my firewall/router and Windows Server 2012 R2 as Oracle DB Server. I have server with local IP, ...
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1answer
111 views

CentOS port forward

I have the following situation: Internet ----- Server ------- virtual machine (kvm) public ip 192.168.122.12 x.x.x.x I need to make service on the port 3333 ...
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1answer
103 views

Windows Service Bus and Network Load Balancing

I'm looking to build an HA service bus farm, hopefully using Microsoft NLB on Windows Server 2012 R2, something like what is described here. In the output below 9354 belongs to Microsoft.ServiceBus....