Tagged Questions

2
votes
2answers
75 views

ssh through a router without port fowarding

I have a linux server, and I want to put it in a home network behind a router. I need to ssh to this server sometime from outside, but I don't want to set up port forwarding because I don't have ...
1
vote
1answer
31 views

How to forward a single port in Linux?

I have two machines in my network (A and B), where A is the one directly accessed from outside when calling my IP address and B is a very powerful one which should serve for very intensive tasks. I ...
0
votes
0answers
48 views

How to access Ubuntu running Openfire from the Internet (Public IP)?

I have Openfire installed in my Ubuntu server using port 7070. Now using ipchicken I found my public IP (example: 111.11.000.0/7070). When I try connecting from another PC through connected to the ...
0
votes
0answers
228 views

ssh_exchange_identification: connection closed by remote host VIRTUALBOX scenario

On a virtual debian machine in VIRTUALBOX I type: ssh -R 2222:localhost:22 andrea@10.0.2.2, to make reverse tunneling and allow remote machine to see debian desktop. on the remote machine (ubuntu) ...
1
vote
1answer
47 views

Linux: I need to tunnel out through a second machine and then to a proxy server

I have 2 servers running CentOS 6 I have a server A, that has 2 network cards. eth0 is a private test network. eth1 is the corporate network, where a proxy server must be used to access the internet. ...
2
votes
1answer
204 views

SSH port forwarding with automatic reconnect, script executing at startup

In short, every time my computer boots, I would like to start a ssh port-forwarding connection that will reconnect with the server if the connection drops. Computer is Debian Wheezy x64. An initial ...
0
votes
0answers
96 views

SSH To My Home Server From Another Location

I am at a location away from home and behind a firewall that does not allow any connections and any ports other than specific port to a specific ssh server. I am using Windows 7 and putty. Trying to ...
2
votes
4answers
180 views

How can I use SSH to tunnel to a port that's open on the machine I have access to but not open to the outside world?

I currently use SSH to tunnel my internet connection, using ssh -p <port> -ND <local port> <user>@<ip address>, and this works great. However, I'd like to bind a local port to ...
1
vote
0answers
133 views

Port forwarding & OpenVPN

I have a raspberry pi running Debian (raspbian) and I'm having issues that don't seem raspberry pi related. I connect to this device via ssh most of the time on my local network, but decided I would ...
1
vote
1answer
60 views

Access multiple SSH-controllable boxes centrally

I have a few SSH boxes running on an ESXi Host, of which I would like to access from outside my normal home network. Rather than port forwarding and pointing to all sorts of different VM's, is there ...
0
votes
1answer
222 views

TCP connection to my host's public IP address using Linux netcat

I need to make a TCP connection to my machine through an application that needs only the public IP address and port to connect. I have been able to do it in Windows, but I need to do it in Linux ...
2
votes
2answers
429 views

Iptables port mapping from two PCs to one

We have 3 PCs, two of it are connected to internet (both of it have 2 NIC) PC1: eth0 - 1.0.0.1 (external IP) eth1 - 172.16.0.1 (internal IP) PC2: eth0 - 1.0.0.2 (external IP) eth1 - 172.16.0.2 ...
0
votes
0answers
324 views

Iptables based router inside KVM virtual machine

I have KVM virtual machine (CentOS 6.2 x64), it has 2 NIC: eth0 - real external IP 1.2.3.4 (simplified example instead of real one) eth1 - local internal IP 172.16.0.1 Now I'm trying to make port ...
0
votes
0answers
74 views

Logging access to forwarded port on WL500gpV2 router with Oleg's firmware

I have my 80 port forwarded to IP Camera in my LAN. I want to log access to this port or (ideally) a succesfull connection to video feed (MJPEG with basic authentication). Logging should be done on ...
0
votes
2answers
377 views

Basic ssh/portforwarding

I have probably the simplest ssh/portforwarding question imaginable. I've searched around here and elsewhere, but I haven't managed to get this working. I've used networks and ssh for years, but never ...
1
vote
1answer
1k views

VM on ESXi host - How does one make externally accessible?

I have a home server running ESXi v5.0.0 with a VM guest OS (linux) up and running. I have apache 2.x installed and serving to my machine (i.e I can access the default apache page when going to ...
0
votes
3answers
2k views

How to ssh to my machine at home, when the IP address of router might change?

I often find I want a file on my home machine when I'm out and about, so I would like to set up ssh server on my home machine to be able to login securely over the internet. It's my understanding ...
0
votes
1answer
354 views

Vigor 2920 cannot reach linux LAN device from VPN or WAN after some time (timeout?)

Setup: Gateway: Vigor 2920, Firmware: 3.3.6.1, 2 fiberlines, loadbalancing. I have 2 XEN Citrix server with virtual Debian (DomU) running on the LAN. (PROBLEM) Other devices running on the LAN: ...
3
votes
1answer
1k views

Properly portforwarding the external IP with iptables

I am trying to forward all the incoming internet/LAN requests on port 80 to my local machine (running Apache), current iptables work (forward incoming internet traffic to my desktop, but if I try to ...
2
votes
2answers
2k views

Forwarding Specific Ports through SSH Reverse Tunnels

So unfortunately I live in a place that will not let me have a static IP, so I have been setting up access to my home computer via reverse SSH tunnels that run on an micro amazon ec2 instance. I have ...
1
vote
1answer
173 views

How can I set up a port forward from my client computer's shell?

I notice that my bittorrent client is capable of automatically setting up port forwards with my router, and I want to know if I can do the same in a shell script. The reason is, that since my router ...
2
votes
2answers
574 views

How can I run SSH on a port other than 22? [closed]

I have a Linux machine on my network. I connect to it using SSH with PuTTY over the Internet, so I have forwarded port 22 to the machine. Now I need to put another Linux machine on the network. I ...
2
votes
1answer
3k views

Tunelling video stream through SSH

I have this problem. There is an udp video stream accessible only on the local network, but I need to access it outside of the network. I have Linux machine (multiple actually) with root access. ...
3
votes
1answer
2k views

how to setup a ssh acount with no terminal but port forwarding?

I am trying to set up a new user account I can give to friends so they can SSH into my forward computer, and only allow forwarding of certain ports. I do not want my friends to have a shell, or be ...
0
votes
1answer
441 views

redirect port to another machine

My poblem: At work I have a proxy with some closed ports. I need to connect to an Oracle DB on some DB_IP at port 1521. DB_IP is a public IP. What I Have: At home, I have a Linux machine and a ...
0
votes
1answer
690 views

access remote mysql server through socks proxy server

Scenario: A - Local Unix machine B - socks proxy server port 1080 C - remote mysql server port 3306 I want to connect to the remote mysql server(C) from local unix machine(A) using sock proxy(B). ...
1
vote
1answer
121 views

How to setting up iptables for traffic fowarding on port 80 from specific sources

Im running a web server on port80, but i want traffic coming from ip 212.333.111.222 on port 80 to be fowarded to port 9020 on the same server that my web server is rinning at that is my sshd port
0
votes
1answer
177 views

How does Azureus get my firewall to open a port (Debian Linux)?

I downloaded Azureus (a bittorrent client) for Debian Linux, and I notice that Azureus got my firewall (a Verizon wireless base station) to open a TCP and UDP port forwarding for it, without my having ...
3
votes
5answers
2k views

port forwarding on linux without root or ssh

I was wondering whether it is possible to get port forwarding without being root or ssh. Currently I do ssh -L 20080:othermachine:80 localhost Using ssh can get you certain benefits like creating ...