Questions tagged [port-forwarding]

port-forwarding on firewall or via SSH

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How to do port forwarding from EC2 public IP to another EC2 IP?

I'm running two apps on a single EC2 instance: Website on Apache running on Port 80 Java Application on port 8080 which is used by my android app. The way I access Java application by hitting the ...
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Circumventing Local Subnet Control Restrictions with Iptables

I have three wireless speakers that, for security reasons, only permit local subnet control. My network is setup such that the wired and wireless devices are on separate subnets, so right now the ...
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How could I connect a public port to a different internal port?

I'm setting up a 2nd Plex server and I've decided to use port 32401 instead of port 32400 since I already have a Plex server running on that port. My issue is that Plex wants [publicip]:32401 to ...
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How to redirect port 80 to 8080 while keeping 8080 closed to the Internet?

I have a VM running CentOS with a web server I use for hosting random services I deploy over there, so in order to make it reachable from the Internet I opened port 80 using iptables. Since the web ...
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1answer
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Does Windows Server 2016 RRAS support NAT reflection/loopback?

I have a home server running Windows Server 2016 Datacenter acting as the NAT on the network. On the same server I'm using Hyper-V to host various services (game servers, GitLab, Plex, etc). I'm using ...
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My dynamic dns behaves weird [migrated]

I have builded a raspberry pi ubuntu all-in-one server (ftp, apache, ssh, vnc) and used dynamic dns to be able to use it remotely. When i try to connect it from lan ip it connects successfully from my ...
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Port Forwarding to Squid Port iptables [closed]

I have binded a few IPs to my server and I am having trouble forwarding them to the port that Squid is listening on. I am trying to open a random port and assign it to the IP and then forward it to ...
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28 views

Access home network machine via hosted subdomain

I would like to be able to use a subdomain of my externally hosted website to access a particular port of a machine on my home network. For example, say my domain is example.com, I would like to be ...
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How to port-forward internal host to VPN [closed]

I've run into a bit of a puzzle and haven't had much luck finding a solution. I'm trying to set up a VPN connection, where multiple remote hosts would be able to access a single application within my ...
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1answer
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What should a noob know before opening a port to the world?

I have done port-forwarding in the past, so that specific applications can be accessed from outside our network, namely security cameras. Yet, something about opening an SFTP or an ssh port to the ...
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Forwarding a port range to multiple machines

I have multiple PBXs sitting behind one WAN address. I use PJSIP and by default it's port is 5060, however, I have multiple clients that need to access their own PBX so here is my plan. My plan is to ...
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Redirect traffic from server on cloud to another machine on local host in VPN

I have a virtual server instance on a cloud with Ubuntu 18.04 running on it which has public ip 123.456.789.100 (dummy ip here). I installed OpenVPN server which has added private ip of virtual server ...
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port forwarding across Meraki VPN

I have an FTP server on my network, and I use port forwarding on the Meraki MX64 so its externally available. I will be moving the ftp server to a new site with a Meraki MX100 and a new public IP ...
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What is the difference between Port Forwarding and NAT Forwarding?

In the D-Link router configuration, I found two notions, NAT Forwarding that pairs A Local IP Address with A Remote IP Address: And at the same time there is Port Forwarding that pairs A WAN ...
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Internal routing of external port forwarded domain on router TP-Link TL-ER5120 [duplicate]

I have two internet access (one fiber one backup vdsl2), and I use a multiwan router to link them to the rest of my network. My internal network contain a server that is accessible from the internet ...
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How to allow access to my gcloud appengine apis using a specific port other than the default port 443

I've already tried to configure the firewall and I still can't access using the port other than the default port
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Trying to setup GatsbyJS development server on Amazon EC2

I have an amazon ec2 instance with the following securitiy group I am running nginx with the following configuration under /etc/nginx/sites-available/default server { listen 80; server_name http://...
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How to configure port forwarding a public IP to private IP in Windows 10 pro? [closed]

I have an API hosted on IIS it can be visited simply by typing 192.168.1.200:82/api/suivi. I want to make it possible for internet users to use my public IP 41.180....:82/api/suivi to get the ...
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I am not able to use port 80 in my ubuntu openlitespeed server

Some file is running on port 80 how to find what is running on that port and how can I stop it and run my python(flask) app on that port
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Port forwarding on a jump server

I have a specific usecase of ssh tunneling which I could not find any similar one on my googling. This is how my networks and connections look like: PC_A---PC_B---PC_C---PC_E | PC_D ...
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1answer
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Port forward to one of multiple devices depending on which one is connected? [closed]

I'm running FreshTomato Firmware 2020.2 K26ARM USB AIO-64K but this question is generally about "advanced use cases" of port forwarding. Is it possible to set up router policies so that traffic ...
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Can not redirect traffic with iptables in MITM

i've been trying to make a MITM attack with Kali linux and a smartphone, using the mitmproxy tool. echo 1 > /proc/sys/net/ipv4/ip_forward arpspoof -i wlan0 -t {smartphone_ip} -r {route_ip} Then I ...
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1answer
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SSH reverse port forward disconnects each 10 minutes

I have a SSH reverse port forward set up with the following command: autossh -N -R 0.0.0.0:22722:127.0.0.1:22 -i /tmp/my_ssh_key -o StrictHostKeyChecking=no -p 22 -4 -C reverseportforward@myserver ...
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apache server in ubuntu 16.04 is not responding to port-forwarding in router

apache server in ubuntu 16.04 is not responding to port-forwarding in router i tried a lot to make apache server to make it repond to port-forwarding like changing the settings of ufw and apache sever ...
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Incoming port through openvpn problems

Here is my install: I have a server MYSRV in my 192.168.1.x LAN, its IP is 192.168.1.110. It also runs openvpn client to connect to an openvpn server REMOTESRV. 10.0.0.x is the openvpn private LAN. On ...
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Not able to do port forwarding with multiple hosts

I have one hop between my local machine and the machine I want to access some remote port. I am trying following thing. But doesn't seem to work. From remote machine, I want port 9443 to open on my ...
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Squid Proxy Setup, Paired With Google Cloud - Configure Outgoing Traffic

Summary; I am attempting to set up a transparent proxy for use with a Minecraft server I'm setting up for friends at home. I am needing help figuring out the more technical aspects of setting up ...
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Access localhost from the internet

I use Ubuntu with a virtual machine and start a flexvdi instance. When run my vm, my ubuntu machine open the next ports: sudo netstat -pltn tcp 0 0 0.0.0.0:8443 0.0.0.0:* ...
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Port forwarding to local ip is not working in windows server 2019 [closed]

I want to run Call Of Duty 4 host server. First I install the windows server 2019 in Google cloud platform. After that I install the call of duty game server and run it is running on local ip 10.128....
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1answer
98 views

Access SMB over a custom port

I have the fileserver hosted on AWS. I was using smb port 445 to access the fileserver. I found out that some ISPs have blocked port 445, so I set up my fileserver instance behind AWS network load ...
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WebBrowsers don't obey ProxyFire rules

I am using ProxyFire portable v.3.42 on Windows to route all my system network traffic over LocalHost. In MobaXTerm(same as Putty) I have set a SSH Tunnel by forwarding 127.0.0.1:4567 into my server. ...
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Is it possible to forward ports through SSH in this scenario?

Description I have a PostgreSQL server across the internet in a laboratory network. Currently I'm using ssh to connect to it. However I would like to have an Adminer docker on my local network ...
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1answer
48 views

iptables is not working as expected after changing a rule

Some background: There is a machine, lets call it "Machine A", (running Xubuntu 18.04) that I am hosting Minecraft on behind a firewall, that I'll call "the firewall" from here on out, (running ...
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60 views

Remote: Server has disabled port forwarding affecting one user

I'm working on a linux server that's got several accounts for specific port forwarding operations, and an account that was working previously has stopped working. Using some verbosity I found the ...
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How to port forward an openvpn connection?

I'm not very advanced so if you could ELI5 that would be very helpful. I wasn't too sure how to word the question, but I'm NOT trying to port forward the openVPN port to access the VPN from another ...
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Can only connect to website intermittantly

I am hosting a simple webpage on my computer by running python -m SimpleHTTPServer 8000 I expose this port via port forwarding in my router, and I am able to connect to it via my cellular network - ...
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Port Forwarding from Localhost to other Server

i'm very new to server, iptables etc. therefor i would appreciate if someone can help me with this: i need to set up a port forwarding from Localhost, Port 3306 to 192.168.0.22, Port 3305 How can i ...
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pfSense - can't connect to server from LAN with DDNS address

I've tried looking for a solution to this, but I'm honestly at a loss for what to search for. I'm using pfSense with a separate LAN and DMZ with several port forwarding rules. I'm hosting a service I ...
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How do I access an ubuntu server running behind a DHCP server?

I had an ubuntu server that I could not connect to wifi so I took my raspberry pi and followed these directions using my rpi to convert my wifi signal into an ethernet connection https://www....
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How to route 0.0.0.0:22 to 192.168.122.179:22?

I want to route 0.0.0.0:22 to 192.168.122.179:22 which is a VM. This way I can access my VM through SSH by typinh the local IP of the host machine. However i get connection refused if I try to ssh ...
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Setup NGINX for Teamspeak with Domain

I currently setup my DNS for a subdomain ts.domain.dev to our root server, and let the request be handled by NGINX. This is what I have : server { server_name ts.domain.dev; location / { ...
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Port forward on CentOS 8 to VM with firewalld not working

I just set up a new CentOS 8 on my server with a VM on it, and I wanted to forward a port from the host to the VM (2228 to 22) with firewalld. I added the port-forward, turned on masquerade and tried ...
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I can't connect directly to SQL using local IP if router has port forward enabled

I'm experiencing a rather weird situation. I have a SQL server that I connect every timd by using this "Connection String": Data Source=TCP:MyPublic-IP\SQLEXPRESS, 1433; Initial Catalog=MyDatabase;...
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SOLVED - OpenVPN and iPTables

Solution: Just had to use NAT 10.8.0.1 Edit: OpenVPN is not working also with iPTables completely clear, so probabily could be an error in the setup. I'm trying to setup an OpenVPN server on my ...
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Firewalld / IPTables host port-forwading stops working after VM Guest connects to OpenVPN

I'm having some trouble using port-forwarding between one Host machine (machine01) and one of it's VM guests (machine02) which connects to a remote OpenVPN server and need help finding the problem ...
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How to access specific ports from external client

As a warning, this is a noob question, sorry in advance. I wanted to install beancount/fava on my VPS (Ubuntu 18.04.4 LTS - GNU/Linux 4.15.0-76-generic x86_64). With SSH tunelling (with Putty), I ...
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1answer
35 views

ssh tunnel refusing connections to locally bound mysqld address

I use port forwarding quite a bit to connect to remote databases with the following command: ssh -L 3306:127.0.0.1:3306 -N foo@remote.ip Where I believe the problem is on this particular server, the ...
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1answer
199 views

Can I create a 1:1 NAT with iptables?

I am running a Debian 10 server which has multiple network interfaces. Can I create rules that will route all network traffic coming in to one IP address on one of the interfaces from the outside (i.e....
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390 views

Clients unable to connect to StrongSwan IKEv2 VPN Server using modems

I have a StrongSwan vpn server running on an ubuntu 18 machine. Everything is fine as long as clients connect using their mobile data. But when they try to connect from a modem (Either using a cable ...
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1answer
68 views

Forward requests for specific port to VPN client

I have a problem where I need support, but the hard part is that I don't know WHERE it's wrong. I have a Raspberry Pi with Ubuntu Server running at my home network and a VPS with Ubuntu Server at a ...

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