Questions tagged [port-forwarding]
port-forwarding on firewall or via SSH
1,427
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iptables redirected port 80 to 8080 - How to disallow direct access to port 8080?
I've routed all requests from port 80 to port 8080 for my Tomcat server using iptables.
iptables -A PREROUTING -t nat -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 8080
Now http://mydomain.com/ ...
3
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1
answer
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Port forwarding with 2 routers
I have a simple 2 router setup. I'm using the second router as a switch and for wireless. The first router is forwarding a few ports (80, 443, 1433) on to a computer with a reserved I.P. address 192....
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DLink dsl-g604t port forwarding inside network
I have a D-Link DSL-G604T. I have a dns that resolves a URL to its IP address.
I port forward port 80 to a computer. All works fine - except when I try to access that URL inside the network, instead ...
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How to forward host ports of < 1024 to a VirtualBox NAT-connected machine?
The manual says: "Forwarding host ports < 1024 impossible: On Unix-based hosts (e.g. Linux, Solaris, Mac OS X) it is not possible to bind to ports below 1024 from applications that are not run by ...
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1
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What ports are needed for a Windows XP client to acces a folder on a SAMBA server?
Wikipedia mentions only TCP port 445 (while as far as I can remember ports 137-139 used to be used actively by Windows file sharing).
If I map the 445th TCP port on gateway host "A" to a 445th TCP ...
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3
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How do I configure my router under another to avoid NAT issues?
I'm sorry if this has been answered before; I tried looking but couldn't find a solution. I'll try and explain as clearly as I can.
I've recently purchased a Rogers Mobile Rocket Hub and it's ...
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Undoing port forwarding
I need all requests to port 80 to be forwarded to 8020. I Googled it and I got:
iptables -t nat -I PREROUTING --source 0/0 --destination 0/0 -p tcp --dport 80 -j REDIRECT --to-ports 8020
Now in the ...
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answer
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CentOS 5.4 - Lighttpd wrong port forwarding?
I've a VPS and although I am not a systems analyst by profession, I'm pretty used to configuring remote vps/dedicated boxes.
Configuration: CentOS 5.4, lighttpd 1.4.22, mysql.
There are 7 domains ...
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2
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Apache local verses external (domain)
I have an Apache server running on Ubuntu server 10, using Passenger for Ruby on Rails. I have configured my site under the sites-enabled directory of Apache and can hit the server with an internal ...
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3
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Connecting to mysql server remotely via dyndns.org
I have a mysql server which is accessed locally by several computers on the network through a static ip at 192.168.1.# . I need the mysql server to be accessed from our web servers so that I can run ...
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Port forwarding from non-default internet connection
I have two outgoing connections, pointing to different ISPs, on a gateway, in front of small-ish LAN.
IPs addresses are as follows:
ISP 1:
network: 10.1.1.0/24
gateway ip: 10.1.1.1
client ip: 10.1....
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3
answers
960
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Running apache without port forwarding?
I am running a local server, and I want it to be accessible online, however, all ports appear to be closed, and I do not have access to set up port-forwarding. Is there anyway around this?
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Network structure --> Server 2k8r2 <--> Livebox <--> Router <--> Other PCs [closed]
I have a Livebox connection to the Internet and I have set up my network as follows:
- Livebox <--> Win2k8R2 Server
- Livebox <--> Netgear N150 Router
- Router <--> Other PCs
...
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3
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How to get local webserver to my external ip
Problem: I am trying to run a webserver from my computer. I see the request getting to the server, but am unable to see the page on the browser due to a "Errno 10054: An existing connection was ...
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1
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Why won't my router forward ports correctly?
I have a Linksys RV042 dual-wan router (which directly responds to any traffic at *.*.*.*) and my FTP server is running Windows Server 2003 R2 SP2 and IIS.
My server's local IP address is *.*.*.*
...
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3
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If am using Remote Desktop to login to a remote machine, how does the data for this connection get back into my machine?
If am using Remote Desktop to login to a remote machine, how does the data for this connection get back into my machine if I don't open any ports on my router?
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Serial port forwarding over TCP/IP (linux server)
I am looking for a way to use a remote serial port on a linux machine over LAN. The machine is running ubuntu 10.04 and I have a arduino board connected to it, that I would like to be able to ...
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2
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forefront TMG 2010 ... UPnP Port mapping
I've tried googling the answer for a few days now, have come up with very little apart from
http://retrohack.com/how-to-enable-xbox-live-behind-tmg-2010/
but can only publish ports on 1 ip ...
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2
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How can ssh allowed to setup remote port forwarding but not execute commands?
How can an SSH command be setup to allow port forwarding but not execute commands.
I know that the ssh login can use -N to stop commands executing, but can the ssh config file be setup to disallow it?...
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Ubuntu Server Port Forwarding the easy way?
I have an Ubuntu server (10.04) running nat and I understand how to forward ports using iptables which works fine and is only mildly painful. What is "the easy way" of doing this? Is there some nice ...
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How to configure traffic from a specific IP hardcoded to an IP to forward to another IP:PORT using iptables?
Unfortunately we have a client who has hardcoded a device to point at a specific IP and port. We'd like to redirect traffic from their IP to our load balancer which will send the HTTP POSTs to a pool ...
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Windows SBS 2008 - how to diagnose port forwarding problems?
We have a Windows SBS 2008 machine. Several ports need to be forwarded from the router to the server (the machine hosts a FTP server, a Web server, and we need to be access it through Remote Desktop).
...
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IP-restricted port forwarding with iptables
For an example, I have two authorized client computers, 1.1.1.1 and 2.1.1.1. My server running iptables is 3.1.1.1 and my firewalled web server is 4.1.1.1. When one of the authorized client IPs ...
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forward same port but for two different IPs (cisco)
I have a cisco running IOS 12.0(25) responding to two different IPs addresses: IP_A and IP_B.
Behind this router I also have two different servers: server_A and server_B.
What I want is to forward ...
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1
answer
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iptables not writing rules
im running these two rules as root, but when doing a iptables -L it dosent show any rules, any one have an idea of what the problem can be?
iptables -A PREROUTING -t nat -i eth0 -p tcp --dport 80 --...
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2
answers
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IP-dependent local port-forwarding on Linux
I have configured my server's sshd to listen on a non-standard port 42.
However, at work I am behind a firewall/proxy, which only allow outgoing connections to ports 21, 22, 80 and 443. Consequently, ...
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2
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Port-forwarding on livebox to router
At home, I have two routers, one Livebox and a Netgear. The reason why I need the Livebox is that the phone line cannot be connected to the Netgear router.
So I have the Livebox connected to the ...
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1
answer
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Port forwarding with multiple IP's
I work at a company which uses a Fortigate 60 router, something I'm not really familiar with. Everything worked fine with it until a week ago when Comcast came in and replaced our modem.
It seemed as ...
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4
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xinet vs iptables for port forwarding performance
I have a requirement to run a Java based web server on port 80. The options are:
Web proxy (apache, nginx, haproxy etc.)
xinet
iptables
setuid
The baseline would be running the app using setuid but ...
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2
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Port forwarding using ASDM 6.0
Hey guys, I'm not too savvy with ASDM and it has been quite some time since I have done anything IOS so forgive me.
I am trying to forward port 3389 from 'any' on 'outside' (1.1.1.1) to an internal ...
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2
answers
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Port-forwarding HTTPS web server
I have port forwarded our front-facing IP to an internal HTTPS server. The browser does not connect. A wget command determines that the certificate is self-signed for the internal IP. Hence why the ...
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1
answer
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Simple options for port forwarding to a different port?
I have three network printers at our local office, all of which listen on port 9100. Non of them offer the option of changing the listening port. We have a single public static IP address, and access ...
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1
answer
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Is the port number the same when connecting to git via the git+ssh protocol?
I was wondering when connecting to a git repository, does the git+ssh protocol use the same port number as just using the git protocol. For example:
git://example.com/git/helloworld
git+ssh://root@...
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3
answers
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Port forwarding for Rsync
Every port on my server is blocked except port 222 which is were ssh connects too. This server is pretty much a backup server, and I have my clients rsync to it.
I do this by using ssh's port ...
6
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1
answer
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port to subdomain
I have installed Hudson using apt-get, and the Hudson server is available on example.com:8080.
For example.com I use standard port *:80 and some virtual hosts set up this way:
# /etc/apache2/sites-...
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2
answers
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Forward svn port
We have our svn server on a machine not accessible from the internet. But we need to be able to check out code from the internet over ssh. Given that we can do port forwarding on a machine accessible ...
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1
answer
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port forwarding with VirtualBox
I have a virtualbox VM running ubuntu.
The Ubuntu guest is running a web server which listens on port 3000 (http://127.0.0.1:3000)
The host machine is windows vista.
I have configured port ...
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2
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Can I port forward to an established reverse ssh tunnel
I have three computers, A, B and C. A has initiated a reverse ssh tunnel to B.
ssh -nTNx -p 443 -R 22222:localhost:22 [user]@[server]
If I log in to B, I can use 'ssh -p 22222 localhost' and I get ...
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3
answers
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Is is possible to point a subdomain to a port address?
Is it possible to point a subdomain to a port address?
For example sub.localhost -> localhost:82
How would I go about doing that in IIS 6?
Thanks
0
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1
answer
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Windows port forwarding
This is the scenario:
A Windows XP client
A Linux Server
The client is natted/firewalled/unreacheable from outside, the linux server is public.
I need to allow the client, once upon some conditions,...
6
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4
answers
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ssh port forwarding freezes after 10 simultaneous connections
I am using port forwarding to utilize proxy server which is on remote machine.
Remote machine hostname is remotemachine. Proxy is listening on 8118 port. I am translating this port to local port 5223....
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2
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Port forwarding on Fortigate 50B
I have serious problems setting up port forwarding on a Fortigate 50B. The unit is basically running as factory default, the wan1 interface is connected to my fibre optic internet modem, and my lan ...
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4
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How to browse to a webserver which is reachable through the SSH port only
I have a server at work which is behind a firewall (the company's firewall) so it is reachable only thrugh port 22 (SSH). I'm able to connect to the server with putty without problems.
Also, that ...
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3
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Hyper-V + RRAS NAT + Port Forwarding + RDP, can I get it all working together?
I am running a Windows 2008 R2 server with various services running natively and two virtualised servers running on Hyper-V.
The hardware server, I'm going to call it REAL1, has one external NIC, to ...
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2
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Zyxel P-320W: How to connect to my web server using public IP
My company's router is Zyxel P-320W and I have a public static IP.
I registered a few domains name and point to this IP address.
I already setup Virtual Hosts and configured port-forwarding to my ...
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2
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5k
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IIS serving locally, but not remotely
There is a router between the modem and the server. In the admin panel, I use single-port forward
Internal Port External Port IP
80 80 to 192.168.1.101 (Web ...
4
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1
answer
2k
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How do I connect to MySQL when it's setting behind 2 layers of ssh?
I have a MySQL server sitting behind a bastion server that I wish to connect to from my local machine.
Ideally I want to port-forward the MySQL port (3316 in this case) to a local port on my machine.
...
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4
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ssh port forwarding / security risk
I want to access a web application running on a web server behind my office firewall from an external machine.
We have a bastion host running sshd that is accessible from the Internet.
I want to ...
2
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3
answers
696
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Port Forwarding
Assuming port forwarding is done on router, can the router forward if the data is coming from local machine, rather than remote.
For example: Sender targets ip like:88.251.xxx.xxx, port 8999.
...
3
votes
3
answers
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Single-Purpose SSH account, exclusively for Reverse Port Forwarding
On my Debian system, I'd like to create a user that is only allowed to do a Reverse Port Forward from their machine to my server, but I'm not sure how to create a limited user specifically for this ...