port-forwarding on firewall or via SSH

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159 views

Port forwarding vs UPnP [closed]

I am wondering what the security implications are between running UPnP or Port Forwarding on my Netgear R6300 router are.... is one better than the other? If I have UPnP turned on and this test ...
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0answers
424 views

ASA5505, 9.1, Static NAT Port Range Forwarding

ASA5505 Version 8.4+ (Using 9.1).. Adding port range for static nat. object network server_x host 123.123.123.123 access-list outside_in extended permit tcp any object server_x range 1000 2000 ...
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3answers
265 views

Redirect localhost requests to a Linux container

I run some linux container on my ubuntu host. Each one of them are running a webapp. To be able to access these webapps, I use iptables to forward port: sudo iptables -t nat -A PREROUTING -p tcp ...
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0answers
24 views

with httptunnel, given port on the remote (server) host is to be forwarded to the given host and port on the local side

Is it possible somehow to use httptunnel to achieve the following, but replacing ssh by http? > ssh -N -R 8080:localhost:1080 mylogin@server.com -R [bind_address:]port:host:hostport Specifies ...
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1answer
59 views

with socat, given port on the remote (server) host is to be forwarded to the given host and port on the local side

Is it possible to use socat to achieve the following, without the need of using ssh? > ssh -N -R 8080:localhost:1080 mylogin@server.com -R [bind_address:]port:host:hostport Specifies that the ...
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1answer
69 views

running multiple application servers on a single AWS instance

I want to run multiple application servers on different ports on a single AWS instance with a different IP/domain pointing to each port. I don't have a clue how to accomplish this. I don't know if ...
0
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1answer
994 views

How to set up port forwarding on a NETGEAR ProSafe™ Gigabit 8 Port VPN Firewall FVS318N?

UPDATE: Rule might be right, but app still isn't functional. See more details after the screenshots. I want to forward port 3000 to a machine in the local network (192.168.1.106). So far I've ...
2
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1answer
377 views

Domain Based Port Forwarding with VLAN routing [closed]

At my new workspace I want to setup a network that enables me to deploy my web development work on Dev, Test and Accept servers (VMs) with (controlled) access from outside the network - based on ...
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2answers
647 views

Port forward an incoming SQL connection over TeamViewer VPN

I have a remote server which in turn has access to a SQL Server instance running in the same network. I am developing tools to use this SQL server, but have no backup or rights to backup/copy the ...
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1answer
53 views

Redirect clients through ssh tunnel to different server

I have a Debian server, and an OpenShift gear. To access the gear, clients need to connect to it with a SSH tunnel. I want people to instead connect to my main server using a normal connection, and ...
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3answers
770 views

Forward traffic to local LAN IP while keeping the originator IP

I am trying to forward traffic from one server to another, while keeping the origin requestor IP. Therefor I cannot use SNAT or MASQUERADE. SERVER A: Public IP: 111.111.111.111 Private IP: 10.0.0.1 ...
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0answers
120 views

Unable to force passphraseless ssh authentication while port forwarding

I'm completely at a loss as to what is preventing my local machine from authenticating the connection that is being forwarded from the remote server. I've read a ton of the posts on here regarding ...
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1answer
38 views

Proper postgres port forwarding on linux/ubuntu inside AWS VPC

At Amazon AWS we have VPC, where one node has public IP and others - private. Instance with public IP is something like balancer. On every node we have Ubuntu LTS. One of the private nodes is ...
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4answers
736 views

How to redirect traffic from port 80 to port 8080

Currently, in a local system there is Apache Tomcat on port 8080 and Apache 2 on port 80. I'm unable to start both the servers at the same time. We need to stop apache2 to have tomcat running in the ...
0
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1answer
66 views

Open loopback port for remote access

I have a pyLoad machine in my local network which connects with autossh to my hosted virtual server so that I can access pyLoad from wherever I am. Now I want to have access to the API port which is ...
2
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2answers
472 views

Unix Shell/SSH config to allow TCP port forwarding without showing a command prompt

I'm running a Debian Linux. I'd like to have a user account that is able to connect via SSH for TCP-forwarding only, without a command prompt. e.g the following would work (from a remote computer): ...
2
votes
1answer
470 views

Vagrant forward a range of ports

Is there a way to forward a range of ports using vagrant 1.2.1 or higher? I know that you can forward any number of ports individually by using config.vm.forward_port 80, 4567 Or, is the answer ...
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1answer
66 views

AT&T Business Class Internet Router Options [closed]

I have a situation where AT&T seems to be very uncooperative in their selection of modems (routers) for their business class DSL service. They essentially gave us only two options for modems ...
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1answer
1k views

Problems with port forwarding on a Arris TG862

I am having a heck of a time getting port forwarding setup on an Arris TG862. I am trying to forward port 80 to a machine on my network but I am having exactly zero luck. Here is my setup: The Arris ...
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1answer
93 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 ...
0
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1answer
71 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
94 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
649 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
614 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
718 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
55 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
863 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
137 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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42 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
305 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
345 views

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

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
1k 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
90 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
106 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
278 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 ...
0
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1answer
205 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
55 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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1answer
44 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
213 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 ...
0
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1answer
165 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
258 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
119 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
65 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
126 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.
2
votes
1answer
371 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 ...
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2answers
578 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
266 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
174 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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1answer
371 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
188 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 ...