port-forwarding on firewall or via SSH

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Port forwarding between 3 machines

I have 3 machines that are connected as a chain, A,B,C. A-->B-->C A is my machine, B is server, and C is other machine with some services and web server on it. Because of some issues I need ...
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0answers
86 views

HTTP on localhost not working with DNS A-record and port forward (ERR_EMPTY_RESPONSE)

I have a Jenkins server on my local machine that I publish to the outside world through a DNS A record (ci.alanif.se:8080) with my ISP and port forwarding through two routers. This works perfectly ...
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1answer
290 views

Alias domain name on local network only

I run Owncloud 8 on a Raspberry Pi. It is hooked up to my router with IP 192.168.0.122. I want to be able to access it from the internet using mydomain.com, so I signed up to a dynamic DNS service and ...
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1answer
641 views

Internal URL redirect to particular server and port

What is the easiest way or what options do I have in order to create an alternative internal URL on our network to access a particular internal website? For example I have just installed the ...
1
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1answer
223 views

Port Forwarding through OpenVPN to Client on OpenVZ

Edit: Okay I will try to make this more clear. What I am trying to achieve is simply a port forward, through my OpenVZ hosted openvpn server, to a service running on a client. There are a few ...
0
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1answer
202 views

Port Forwarding with Cisco SR520 IOS

I've been tasked with setting up port forwarding for access to remote desktop on a server. I'm having trouble making it work. Server IP 192.168.1.20, port 3389 The router is a Cisco SR520. It is ...
1
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1answer
805 views

socat udp packet forwarding with source address

I am trying to use socat (instead of iptables) for UDP port forwarding. I just need to redirect some traffic from UDP port 162 to 33162. I am using something like this: socat udp-listen:162,pktinfo,...
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2answers
715 views

WatchGuard Port Forwarding / Static NAT

I'm trying to forward a specific port on my WatchGuard firewall to an internal host in a specific VLAN. My setup is roughly as follows: INTERNET vv WatchGuard vv--------vv--------vv [VLAN1]...
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1answer
105 views

FTP Server 2008 (This webpage is not available)

Im having trouble getting access to my FTP server on a web browser. On the local server i am able to (ftp://192.168.50.11) and login using user name and password using the browser. On a different ...
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1answer
102 views

SSH Tunnel Connection keeps dropping

I am developing a site whereby the site connects to a clients server to query the database. A ssh tunnel was created and this approach has worked fine for all sites but one. I'm assuming that because ...
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0answers
205 views

Openshift : How to open a port world wide?

I have installed a wildfly server on OpenShift. Here is the link of it's home page http://tomcat-thacker.rhcloud.com/ This home page and other deployed applications are running on 8080 port so, I am ...
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2answers
344 views

How do I send network packets from an ipv4 address (with port forwarding) to an ipv6 address (no port forwarding) without STUN?

* I have the following situation: * Bob wants to interact with Alice directly (encrypted interaction, no intermediary server who will forward his packets). Both are behind NAT. Alice has a public ...
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3answers
316 views

OpenVPN and port forwarding

I have an issue with my Linux-based server regarding VPN and port forwarding. I am also a beginner is this area, so forgive me for any mistake. First, let me describe you the infrastructure. I have a ...
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1answer
196 views

Windows Server Port forwarding SSH to Telnet for multiple users

I have multiple installations with a specialized database framework (Intersystems Caché) that contains its own Telnet server running on port 23. Although the product does run on Windows Server 2008, ...
2
votes
1answer
201 views

Can I SSH into a Raspberry Pi over the internet and edit files? [closed]

I have a Raspberry Pi 2 set up as a web server running apache. I have SSH setup so that I can connect to it on the LAN. I'd like to connect to the Pi remotely so that I can either directly edit the ...
0
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1answer
335 views

Make Asterisk to serve another subnet

I have server with Linux Ubuntu 12.04. It has two subnets - 192.168.0.1(eth0) and 192.168.1.1 (eth1). There is an Asterisk server (IP PBX) connected to first subnet, lets say it has IP address 192....
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2answers
242 views

Port forwarding ssh with iptables

Moved from stackoverflow... My new Internet firewall, based on Linux iptables, is working in most regards very well, but the port forwarding does not work: $ ssh -p 7022 [ppp0-ip-address] ssh: ...
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0answers
151 views

nodejs not receiving request on forwarded port [closed]

I am trying to get my router to forward requests made to my noip dynamic dns to my local computer where I have a nodjs running, waiting for requests on port 14555. I have the noip dns set up so that ...
1
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1answer
657 views

linux container bridge port forwarding?

How to setup linux container bridge port forwarding? I start using LXD, and looks like their policy is to setup port-forwarding with OS base unlike docker. I want to build a web server, so 80 port ...
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1answer
617 views

Accessing a samba share from a separate LAN [closed]

I have 2 LANs at home : A main LAN running behind my ISP's modem (acting as a router with an IP address of 192.168.0.1, which I'll refer to as router A). Attached to this router is a Raspberry Pi at ...
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0answers
55 views

Ban IP doesn't work with forwarding [closed]

I use à VPS like a bridge for an other server. I use apf-firewall and this file /etc/apf-firewall/preroute.rules for forward somme port one the other server. This is the end of the file: iptables -...
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0answers
153 views

KVM port-forwarding from ppp0 to VM's bridged NIC not working, but to VM's NAT NIC works?

I've spent a lot of time on this freaky problem, I've created a simple host and VM configuration to try isolate the problem. Terminology in this question Host: The bare metal server VM: The KVM ...
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0answers
168 views

Juniper SSG Port Forwarding over a Site-to-Site VPN

Our company has severs in two locations -- our main office, and a colocation. We're getting ready to move one of our servers, a PBX, from our main office to our colocation for better service, but we'...
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2answers
118 views

xinetd port forwarding causes HttpServletRequest.getRemoteAddr() to always return 127.0.0.1

We're attempting to identify where specific requests are coming from inside our Java application. We have changed the log files to include the IP address and we're using httpServletRequest....
0
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1answer
161 views

Forward port to address

I am trying to figure out how to map a specific address on a port on a different address. This might be very trivial, but I am not even sure how to ask Google. I have one machine running two servers: ...
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2answers
804 views

Accessing server without port forwarding

First of all, I know this question has been asked before It seems, however, that none of these yet have a full solution. My question is essentially the same. I have a device connected to a wifi ...
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1answer
137 views

serving html remotely from mac os x [closed]

TL;DR: simple HTTP server is accessible locally, but how can I make it available remotely in order to view the served files from another computer on the network? I'm using a zero-configuration ...
0
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1answer
170 views

Iptables forward traffic from A to B where A is not gateway for B

I want to forward ssh traffic from A port 2222 to B port 22. I do have ipv4 forwarding set to 1 on both interfaces. Still, this does not work. What is wrong? Machine A: eth0 192.168.0.150 eth1 217.27....
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1answer
466 views

Forwarding ports and traffic to VPN tunnel

I've installed OpenVPN on my VPS. I have one question: how to forward traffic going to that VPS to go to VPN tunnel created with my local PC. I will use TCP connection. The whole traffic will be like ...
-1
votes
1answer
322 views

Two physical servers on one IP behind one router [closed]

I asked this question on StackOverflow and was directed here to ServerFault. I searched the forums here and find 3 or so inquiries that are very similar but not quite the same (or maybe I just don't ...
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0answers
41 views

Port forwarding to VPN

| |WAN /-------\ .------------------------------------------| switch| | ...
0
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1answer
224 views

How do I get boto to work with port 443 being prerouted to another port?

My title may be poorly worded, but I'll try to get the backstory straight: I have Ubuntu instances with clusters of Docker containers all hosting web servers In order to appease firewalls we want to ...
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2answers
30 views

Routing a port with no defined port forwarding rules to multiple machines listening on that port [closed]

This is something I've been wondering for a long time but never actually faced a situation where I had time to play with it. Lets say I have a router which has no defined port forwarding rules for ...
0
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1answer
400 views

forwarding packet from one interface to another interface

I have an embeded system with 2 interfaces e0 and m0, whose ips are 10.0.0.20 and 192.168.0.20, respectively. Incoming packets into e0 have an ip of 10.0.0.10 and should be forwarded to m0 interface ...
0
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1answer
707 views

iptables v1.4.21: Couldn't load match `-d':No such file or directory

i am running kerenl 3.14.18 and using iptables 1.4.21, built with these options --static-enable --disable-shared. when i run this command: /sbin/iptables -A PREROUTING -m -d 127.3.0.2/24 -j DNAT --to-...
1
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1answer
52 views

high availabilty port forwarding in mswindows

I need port forwarding for a mswindows host, but I need something which can handle more than one target with fail over. There are no end of tools to do this on Linux/Unix (haproxy, balance, pound....)....
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1answer
2k views

Applying firewall rules: iptables-restore: line 1 failed [closed]

I'm trying to do Port forwarding on my centOS machine. When i'm restarting iptables i'm getting the error iptables: Applying firewall rules: iptables-restore: line 1 failed [FAILED]. My iptables file ...
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0answers
471 views

OpenVPN - open ports for clients only via iptables

OpenVPN server running on my ubuntu server (tun mode). My problem is that i cannot set some ports be accessible only for VPN clients. I have a dirty solution, but i want better. I have no iptables ...
2
votes
1answer
349 views

Remote port forwarding not working

I have a test app I run locally, and use remote port forwarding to give others access to it. This was working just fine, until I set up a new server instance on EC2. The EC2 server runs CentoOS 7. ...
0
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1answer
354 views

Cisco IOS - Problems with NAT and port forwarding

I have a problem forwarding ports. I have configured a NAT pool of 1 address (192.168.5.2) and assigned that address to the WAN interface. I assigned networks to the access-list, and bind the two ...
4
votes
1answer
526 views

Forwarding a port on the loopback interface to a remote IP/port

I have two Docker containers that I'm trying to network together in a specific way. Container A is running a Redis server on port 6379. Container B is running an interactive shell and needs to access ...
0
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2answers
334 views

Cisco Easy VPN - Port forwarding needed at remote end?

I was in the process of setting up a site-to-site ipsec vpn tunnel behind a mobile broadband router when i found out that i wasnt able to port forward on that network so i wont be able to use the ...
0
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1answer
135 views

Postfix/Dovecot on a VM. Problems with understanding port fowarding

I've set up a mail server with postfix and dovecot on a virtual machine running debian 7. At first I basically made a seperate network with a host-only adapter , so host and guest were in the same ...
3
votes
1answer
660 views

Multicraft: Port Forwarding through a GRE Tunnel

For the past week I've been attempting to protect a server from DOS attacks by utilizing a GRE tunnel from a VPS to a dedicated machine without much success. Visual: User --> VPS --> Dedicated ...
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2answers
57 views

modify iptables rules and default policy but keeping port forwarding

I have the following rules and policy in the end of my firewall script: $IPT=/sbin/iptables ... $IPT -P FORWARD ACCEPT $IPT -F FORWARD # Forward port 2206 to data6 $IPT -A INPUT -i eth1 -s 192.168....
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1answer
117 views

Route port forward through 2 windows server 2008R2 network adapters to another network

our phone system at work is on a separate network to everything else and I need to forward a port from our gateway to it to allow our phone tech to remotely administer it. I have plugged the phone ...
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1answer
751 views

Trying to set up port forwarding for multiple subdomains using SRV and DNS

I am working on a startup and trying to keep my expenses low. I'm hosting four servers in my closet with a single static IP address. I want to be able to reach each server over ports 80 (HTTP), 443 (...
2
votes
2answers
6k views

Port forwarding to the router itself on Edgerouter

I recently upgraded one of my customers to a Ubiquiti EdgeRouter Lite, which is a significant improvement over their old ISP-supplied router. To reduce the frequency of attacks against the router's ...
0
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2answers
86 views

Port forward for SSH works to one system but not another

I have two systems sitting on a NATed network. When I forward port 22 to system A, I am able to connect directly. When I forward port 22 to system B, I am not able to connect. I am, however, able to ...
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0answers
109 views

Best way to add multiple IP to single interface

My hosting provider routes an IP block to my eth0 interface. Until today I've been adding the block using IP alias via ifconfig, unknown to me that it was an old solution. I've now learnt that there ...