Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [port-forwarding]

Port forwarding is the act of using redirecting one port to another, commonly used to access a computer from behind a firewall with NAT.

0
votes
1answer
20 views

Port forwarding failing every single time despite correct settings in router (moved from stackoverflow)

hi trying to make my web server public but am failing. I've went to many sites and read many port forwarding guides but still am unable to discern what is wrong. port tests have failed no matter how ...
0
votes
0answers
21 views

port 80 closed after port forward and firewall settings

Currently I'm having an issue that only somehow started to appear within the last day or so and nothing about my network setup changed that would cause these issues. I'm running a development ...
0
votes
1answer
30 views

Port Forwarding On DLINK 512

I am configuring my router to forward port 8080 or 8444 to a computer acting as a web server. My computer is well set up and I can access the hosted site via its IP address 10...121. The IP address of ...
0
votes
0answers
20 views

Port Forward on SonicWall to internal server

I've been trying to port forward ports 1812 and 1813 from a server in my local network to my static public IP. We have a Dell SonicWall TZ 300 firewall. I've been using the directions located here: ...
0
votes
1answer
29 views

Unable to access nginx forwarded port to AWS remote instance

I have an nginx running on my local machine which is serving on port 8080. I can't forward that port through the router, but I do have an AWS Linux instance running, over which I have total control. ...
0
votes
0answers
10 views

Vagrant box accessible from local network but not external port forwarding

I've got a Windows 10 machine with a Vagrant box with a bridged network running docker. On that docker machine I've got a couple of services, which are well accessible from the local network, but as ...
0
votes
0answers
52 views

How to bypass closed ports in local network to play games

tl;dr: ports to play games blocked on local network, want to bypass them and play again I live in a uni dorm with a pretty good internet connection (1 gbps), the only thing is that the only open ...
0
votes
0answers
25 views

Port forwarding that works and doesn't

I have a web service I'm trying to expose through my FiOS-G1100 router. I set the TCP port and tested using my publicly exposed IP and everything worked fine. But then, when I test with a client ...
0
votes
1answer
28 views

How to use Linux host for NAT and port forwarding

I have Debian 9 host, with 2 interfaces: eth0, connected to internet; has dynamic IP assigned by ISP eth1, connected to LAN switch; has static IP; has established warm friendly relations with dhcpd ...
0
votes
0answers
16 views

Windows server port forward

I have VPS running Windows Server 2016. It runs one application running on port 1234. So I add the rule to firewall to allow incoming connections and everything is working fine. However, I need to ...
0
votes
1answer
28 views

(Apparently) not all port forwarding rules working in nested network

Network structure My home network currently consists of two (nested) LANs: One of the LANs (LAN A) is connected to the internet (via a Telekom Speedport W 723V router [Router A] / DSL). The other one ...
0
votes
0answers
23 views

Ubuntu Mate - issues port forwarding to different interfaces with srelay. Ip6 forwarding works, but not 4?

I have two interfaces on my computer, eth0 and eth1. srelay is a great socks5 relay that offers the ability to forward certain ip:ports to certain ip addresses/hops, and bind to certain interfaces. I ...
0
votes
1answer
37 views

Port forwarding i try everything

i want make counter strike 1.6 server but i have private ip so i try port forwarding port 27015 i try everything so if you can give me some advice some picture 1 2 3 4 5 6 7
0
votes
0answers
46 views

PuTTY ssh tunnel port forwarding through management server with private key

I'll try to be as detailed as possible. I try to connect to a server running ActiveMQ and want to forward the port 8161 to port 8162 on my local machine in order to prevent problems when I run a ...
0
votes
0answers
27 views

Use mosh with a remote Vagrant box without a public network

At work, I have a powerful machine running Debian Linux, but, unfortunately, I don't have admin rights on this machine so it's painful to update or install packages, among other things. Nonetheless, I ...
0
votes
1answer
53 views

How to delete multiple lines of the IPTABLES

Is there a way to delete multiple lines in an iptables not knowing what is in my iptables? For example, I want to delete every port forwarding from port 80 and here is the iptables: Chain ...
0
votes
0answers
15 views

How to use both “my own internet connection” and “remote lan vpn connection”?

I have service in a remote LAN, and i could have VPN connection to there over my regular internet connection (i have white IP, normally visible). Now i want to expose some service from that remote ...
0
votes
0answers
83 views

OpenWRT - Port forwarding doesn't work while OpenVPN client is running

I'm trying to do SSH port forwarding from my WAN interface to 10.0.0.2 (LAN) but I'm facing an issue whenever the OpenVPN client is running on the router then I cannot ping my WAN IP or connect to my ...
1
vote
1answer
18 views

Point domain to a computer inside LAN

Is it possible to, for ex.: point domain.com to 192.168.1.10 point domain2.com to 192.168.1.11 inside my LAN network? Or even more with port forwarding: point domain.com:80 to 192.168.1.10:5000 ...
0
votes
0answers
36 views

How can I determine who is blocking port 25 from the internet?

I'm flummoxed. I've bought a domain name through 'freehostia.com' - and I've setup the MX records to point to my DDNS based local SMTP/POP3 server which I'm running on a Synology NAS box. I've ...
0
votes
0answers
8 views

x11 forwarding from VM hosted in a server

My setup is a little complex: I have my local machine(windows), from which I access my institutions server over SSH. From there, I can access my personal server(Ubuntu 16) over ssh. This personal ...
0
votes
1answer
32 views

Using Fritz!Box 3490 to forward external traffic to internal servers

I have a Fritz!Box 3490 along with 5 usable external IPv4 addresses provided by our ISP. The Fritz!Box is to replace our existing DrayTek 2925. One of five IP addresses is an MX; so we use that IP to ...
0
votes
1answer
38 views

LINUX Routing VPN traffic for specific port to host on local network

I am connecting my Linux L1 to VPN to get a public static IP 117.xxx.xxx.xxx . This L1 machine has only one ethernet interface eth0 with ip 192.168.1.130 and VPN is connected creating interface ppp0. ...
1
vote
1answer
40 views

How to connect two computers with same Private IP addresses but on different LAN [closed]

There are two devices in different cities and both of these have same private IP addresses. How do I get them communicated (SSH, RDP, FTP, Telnet, etc). Please explain in detail. Thank you
0
votes
1answer
26 views

Unable to resolve URL locally to several devices

I have a domain name attached to a DDNS. It's pointed at my house and I have three systems that are running a web server using the default ports, and two other ports. I used to have AT&T and this ...
0
votes
0answers
27 views

Port forward from eth0 (IP camera is connected to eth0) to wlan0 in same board

I have a Cisco SG500 switch where I have connected my IP camera to eth0. I need to port forward from eth0 to wlan0 on this same board such that if I login to my board via wlan0, I should be able to ...
0
votes
0answers
82 views

Port forwarding not working, even though i have set everything correctly up (as far as i can tell)

I have tried forward porting port 8877 for my own java program. this is the rule i set up for it: I have made my local IP static. I tested the code on LAN, and it works just fine. I also had my ...
0
votes
0answers
14 views

“Bouncing” an openVPN connection through/over/across another host

One of the locations I work from/at is blocking all traffic to "commonly known" VPN services, including the VPN service I use. I would now like to "bounce" the openVPN traffic through/across/over my ...
1
vote
1answer
43 views

VNC with hops multiple machine

I want to acces a remote machine that in inside another machine. I can ssh to it but can't see any in VNC viewer. That's the configuration. external_ip port 3999 to internal_ip192 port 3999 ...
0
votes
1answer
38 views

SSH remote forwarded port doesn't accept external connection (even with `GetewayPorts yes`)

I am trying to set a reverse/remote SSH port forward, using this schema where the Apache Linux server forwards the port 80 to the SSH server. So On the SSH server I changed the configuration to ...
0
votes
1answer
48 views

Setting up a DDNS behind a DDNS Server?

TLDR; I have a working DDNS at ddns.example.com, I want to make it capable of routing requests such host1.example.com to my locally hosted machines. So, I have a public domain at let's say example....
0
votes
0answers
42 views

Forwarded port is timing out

I have hosted a website on my computer and have verified that it is accessible internally. I am using a Prima Tel Router and have set up forwarding for exposing the website publicly (Snapshot of the ...
4
votes
3answers
502 views

Iptables forwarding port/s to a external IP transparently (remote end should see the actual source IP)

The question is simple but I think the answer might not be as I went through countless related topics with no concrete reply. I wish to forward a port 1234 from x.x.x.x to y.y.y.y (both on internet ...
1
vote
2answers
65 views

What are limitations of using a sub-network setup?

Typically with personal WiFi, you have your ISP line into the home which connects to a modem, then a router (or hybrid of both). Then the router produces a network. But now let's say you take an ...
0
votes
1answer
53 views

How to access websites serving ports different from 80?

In my workplace we are allowed to browse regular 80 and 443 sites, however my school uses 8097 and other ports on several sites. Sometimes I would like to advance some homework and connect to my ...
0
votes
0answers
10 views

lighttpd mod_proxy delays subsequent requests up to 5s

I have configured lighttpd 1.4.48 to proxy my /api endpoints received on port 80 to a local API server running on port 8080 as shown below: # Forward all /api requests to the apiserver $HTTP["url"] =~...
0
votes
0answers
101 views

How to port forward on my huawei modem (b525s-23a) Minecraft Server

I want to port forward for my Minecraft server. I've literally tried everything. I literally don't know how to configure any of the stuff I've tried correctly. I would like someone to tell me how to ...
0
votes
1answer
57 views

ssh: port forwarding doest work for some ports

I am connecting from windows computer to linux server with this command from cygwin: ssh -v -L 2181:127.0.0.1:2181 -L 9870:217.0.0.1:9870 -L 9092:127.0.0.1:9092 -L 8088:127.0.0.1:8088 -L 8080:127.0.0....
0
votes
1answer
53 views

ftp files via intermediate jump-server

In my company we access our remote electronic devices through a jump server. When we need to download files from the devices we do the following: ssh jump.server.com wget ftp//device_ip/filepath (...
0
votes
0answers
44 views

Port Forwarding OpenVPN

I have a python SimpleHTTPServer running at port 4444, I have installed OpenVPN on my Ubuntu 16.04.4 LTS (Xenial Xerus) server. I have connected my computer (where python server is running) with the ...
1
vote
2answers
139 views

Doing an SSH reverse port forward without GatewayPorts enabled

I have two machines, m1 and m2, and machine m2 can connect to m1 using SSH. There is a machine m1bis that can only connect to m1, and there is a machine m2bis to which only m2 can connect. I would ...
2
votes
1answer
168 views

OpenWRT DDNS setup - can't access from outside of LAN

I'm trying to access my local network from the internet. My setup: ISP adsl modem with internet connection, default firmware (192.168.1.1) TP-Link OpenWRT Wifi router behind ISP modem to share ...
0
votes
2answers
133 views

SSH equivalent of PuTTY remote forwarding?

I need help with finding the ssh equivalent of PuTTY remote forwarding. The scenario is that if I use PuTTY remote forwarding like this I am able to access localhost:3030 by connecting to remote:3000....
0
votes
0answers
18 views

Will temporarily disabling my router's firewall show if port forwarding will be effective?

I will preface this by saying that I am not super experienced with networking. I'm trying to lower my ping while playing online games on the Nintendo Switch. I've read that properly port forwarding ...
0
votes
0answers
17 views

Can't access locally hosted web server on same network

I have set up a Raspberry Pi as a web server on my local network. Everything has mostly been fine for 2 years until today when I went to check the website and found I am unable to visit the site it ...
1
vote
0answers
115 views

Nextcloud server

I have a nextcloud server (Nextcloud VM installed within a Kubuntu 18.04 host) that has unexpectedly stopped accepting external connections. Pinging from an external IP works just fine so I don't ...
0
votes
0answers
38 views

Can't SSH to Linux box behind router from Internet

I have a Linux box (Ubuntu 16.04.4 LTS) on my home network that I cannot SSH to from the Internet, through my router. I just get a timeout. I have port-forwarding set up on my router I can SSH to the ...
0
votes
0answers
45 views

Open port for reverse ssh tunnel

I have opened a reverse SSH tunnel from machine A (Windows) sitting behind a NAT to machine B (Ubuntu) on port 4000. I can access my service running on machine A from machine B at the address ...
0
votes
0answers
23 views

Opened ports in OS and Router but still outside websites can't see it open

I have set my computer to be in DMZ, router firewall is off and also Windows firewall is allowing the port (UDP 27015) to go through but when I check it with websites like http://canyouseeme.org/ ...
0
votes
1answer
143 views

Router alternating between 192.168.0.1 and 192.168.1.1

In setting up my router with port forwarding I notice that the router is alternating between using 192.168.0.xxx and 192.168.1.xxx. Thus, forwarding ports to the correct internal IP# is difficult. The ...