port-forwarding on firewall or via SSH

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2
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2answers
683 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]...
0
votes
1answer
104 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 ...
0
votes
1answer
96 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 ...
0
votes
0answers
193 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 ...
1
vote
2answers
310 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 ...
2
votes
3answers
307 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 ...
1
vote
1answer
188 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
197 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
votes
1answer
324 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....
-1
votes
2answers
240 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: ...
2
votes
0answers
146 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
vote
1answer
628 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 ...
-1
votes
1answer
588 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 ...
1
vote
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 -...
0
votes
0answers
150 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 ...
0
votes
0answers
163 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'...
0
votes
2answers
112 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
votes
1answer
156 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: ...
0
votes
2answers
771 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 ...
0
votes
1answer
133 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
votes
1answer
163 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....
-1
votes
1answer
446 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
308 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 ...
0
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0answers
41 views

Port forwarding to VPN

| |WAN /-------\ .------------------------------------------| switch| | ...
0
votes
1answer
219 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 ...
-3
votes
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
votes
1answer
385 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
votes
1answer
680 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
vote
1answer
51 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....)....
-4
votes
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 ...
1
vote
0answers
467 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
327 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
votes
1answer
347 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
495 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
votes
2answers
327 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
votes
1answer
132 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 ...
2
votes
1answer
635 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 ...
0
votes
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....
-1
votes
1answer
115 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 ...
-1
votes
1answer
713 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
votes
2answers
83 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 ...
0
votes
0answers
105 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 ...
3
votes
2answers
8k views

Windows Server 2012 Port Forward for Specifc Host

I am trying to have a specific host be redirected to another port when trying to access a service on port 80. So, when the client (192.168.1.22) requests a connection to the server (192.168.1.10) on ...
7
votes
2answers
5k views

CentOS port forwarding not working

I'm using CentOS 6.5 and I added the following commands to my iptables to forward all incoming traffic on port 8088 to 4569: iptables -A PREROUTING -t nat -p udp --dport 8088 -i eth0 -j DNAT --to-...
1
vote
1answer
523 views

why port forwarding is not working in this setup?

I'm trying to setup a docker virtualization environment. This is a follow up of this question. I have a virtual eth0:0 interface, and I would like to forward it using iptables. The public, main IP ...
3
votes
2answers
392 views

source address with iptables port forwarding

I set up port forwarding for port 80 with iptables: iptables -t nat -A PREROUTING -p tcp --dport 80 -j REDIRECT --to-port 10080 Additionally, I have ip forwarding enabled to route connections ...
0
votes
2answers
298 views

ASA is not forwarding packets to egress interface

We are seeing some very strange behaviour from our Cisco ASA 5505 running 9.1(2) We have a SIP PBX inside our network. It's got a bit of an odd configuration, it listens for inbound SIP requests for ...
-4
votes
2answers
79 views

How to run more than one connection on SSH port [closed]

This is a naive question, but I don't know the answer. I have forwarded port 22 on my router to point to my NAS. I also have a Hummingboard server which I'd also like to access through SSH. How can I ...
2
votes
1answer
75 views

Device not accepting connections from a forwarded port. Security Issue?

I am forwarding a port through to a PLC/Management unit type device for a heatpump. The device accepts local connections from the LAN on port 80. It runs a normal web site on port 80 for management. ...