Questions tagged [port-forwarding]
port-forwarding on firewall or via SSH
1,428
questions
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Minecraft Server Not Accessible After Upgrading to Fiber Optic [closed]
Just recently we were upgraded to fiber optic with our service provider optimum. We use an eero router, & so our network stayed pretty much the same.
Despite unlocking the port for the minecraft ...
1
vote
1
answer
90
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OpenSSH server limit local forwarding to only unix sockets
Problem: Limit SSH -L forwarding only to unix sockets
SSH server S is a shared server inside a private network used by several users.
Use-case: for each user I create a local unix socket to use to ...
0
votes
0
answers
23
views
Virtualbox NAT configuration for HTTP port forwarding [migrated]
Hi I'm successfully installed Ubuntu server on virtualbox in macOS. Now, I want to access the ubuntu localhost either 0.0.0.0:8000 or 127.0.0.1:8080 in my host operating system.
I configured NAT port ...
0
votes
0
answers
39
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Proxmox, iptables connection refused on port 443 from different nodes if forward to LoadBalancer
having some problems with port forwarding on dedicated machine running Proxmox.
I have create an LXC-Container for LoadBalancing and forward all incomming request on port 80 and 443 to it.
If I am ...
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0
answers
21
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Self hosted domain does not respond from local network [migrated]
I have a self hosted website with domain example.com
I have a static public IP on my router and I port forward (80 and 443) from the router to my server, passing through a nginx reverse proxy.
If I ...
0
votes
0
answers
114
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Port forwarding to podman container not working
I want to serve port 8000 from a podman container to the LAN using port 8009.
The container is run using podman-compose, which translates to the following command:
podman create --name=pihole-...
0
votes
1
answer
121
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VM behind nat on Proxmox cannot reach port from internal network
The issue is that I am able to reach port 25 from outside (public internet) to the specific machine in the local network behind NAT, but cannot reach to port 25 on public machine e.g. hotmail-com.olc....
0
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49
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Kasten k10 dashboard 504 error
I Have installed the Kasten k10 on AWS k8, trying to access the dashboard from service port forward.
Dashboard has an network error with error logs on dashboard-svc pod and Gateway pod.
Below are the ...
0
votes
0
answers
95
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Issue moving Ubuntu/Apache webserver from Comcast to AT&T router
I've hosted a simple Ubuntu web server for years on port 443 via a Comcast router with port forwarding enabled without issue.
I now have to change to AT&T, the router they provided is a BGW320, ...
0
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0
answers
77
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LTE Mikrotik NAT not works
I've and LTE Mikrotik HRBwAPGR-5HacD2HnD and QNAP NAS server.
My need was to route trafic to QNAP server (192.168.88.102) from internet(using DDNS and so on) but not able to perform it, maybe I'm ...
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votes
1
answer
66
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Routing webserver access between LAN and VLAN
I have a LAN set up with IPs 10.0.0.X and a VLAN with 10.147.18.X (Zerotier) and I have a webserver (Plex) that is accessible within the VLAN. I have a ubuntu 22.04 pc connected directly to the LAN ...
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votes
1
answer
60
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How does real server, direct return server (DRS), reply to client if a load balancer (LB) uses port address translation (PAT)?
Direct Return Server overview:
The DRS allows real servers to directly reply to a client without going through load balancer (LB). The LB ip (VIP) is configured as a loopback (localhost) ip for the ...
0
votes
1
answer
87
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Using two asymmetric uplinks
My current network topology is:
Fact Firewall (I tested with OPNsense and IPFire, but I'm open to further suggestions)
and the whole "ORANGE/DMZ" stuff are actually VMs/containers in a ...
1
vote
2
answers
183
views
Looping forwarded and locally originating connections through port forwarding rules in firewalld
I have a Debian box running firewalld set up a as gateway NAT/router. This device has two NICS; wan --- public interface, assigned to the external firewalld zone, dynamically assigned IP address using ...
0
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0
answers
101
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Port forwarding ubuntu server - iptables
I would like assistance in connecting to a WireGuard server that is currently being censored by my ISP. To overcome this restriction, I am attempting to set up port forwarding from my VPS to the ...
0
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2
answers
124
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setup up ssh connection with 3 Ubuntu machines to bypass a firewall
I have 3 machines, here are the IP addresses of each of them with their ssh port :
first device IP: 192.168.1.2
second device IP" 192.168.1.3 port 22822
third device IP: 192.168.1.4 port 22
I ...
1
vote
2
answers
313
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How to Configure Domain-Specific Port Forwarding on MikroTik Router?
I have a MikroTik router set up at the entrance of our office network. I'm looking to configure it for specific domain-based port forwarding. The task seems to be rather common, but I am stuck. Here's ...
1
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1
answer
224
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Cannot access deb.debian.org from VM after port forwarding using /etc/libvirt/hooks/qemu
Setup
On host server with Debian Bookworm I created two VM-s (pserver 192.168.122.227 and pagent-1 192.168.122.126) via cockpit (kvm). Both of them are running Debian Bullseye. I am using default ...
0
votes
1
answer
88
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How to redirect an IP and port that is being listened to using iptables?
I have a server with two external IPv4 addresses. One address is essentially unused in that it doesn't appear in any DNS and I haven't employed it for anything. I want to use port 80 on it now, but ...
0
votes
0
answers
68
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SSH connection to the GIT through a jump server with stdin/stdout forwarding
SSH connection to the GIT through a jump server with stdin/stdout forwardingI'm trying to establish a connection from client server (A) to the remote server (C) using an intermediate jump server (B), ...
0
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0
answers
45
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Ports open only on specific event
I've recently opened some ports (8080, 2223, 2224) to open a sftp server and a webserver-type fileserver. However I've been running into issues and haven't found a single solution since.
The problem ...
0
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1
answer
594
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how to expose apache docker container on port 8080 rather than port 80
I have a webserver running on port 80 , however I need the site to be accessed using 172.16.21.2:8080 , regardless of what port mapping i specify it is always accessed using port 80. How can i make my ...
0
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0
answers
198
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Simple MySQL tunnel without SSL or SSH?
What I have
I have a MySQL database that allows whitelisting only 2 individual IP addresses. No other access to that server except a MySQL username and password.
What I need
I need to connect Google ...
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votes
1
answer
85
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Years old iptables script breaks (-o option no longer exists?)
I've had a script for a while that forwards a port through my Wireguard VPN. Recently, I tried using it and it returned:
Bad argument `wg0'
Try `iptables -h' or 'iptables --help' for more information.
...
0
votes
0
answers
25
views
Allow access to local mongodb database to a different network
Is it possible to do tcp port forwarding using windows settings without having to access router settings? I am trying to give access to my local mongodb database to someone on a different network to ...
0
votes
0
answers
219
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Portforwarding Wireguard setup
I setup wireguard on a VPS to use it as a VPN to enable portforwarding for various uses like gaming and NAS setup.
I want to open port 45000, 56000 and 40000 for now.
I am on Ubuntu 22.4 on 27fiber ...
2
votes
1
answer
660
views
ssh port forward connects to bastion instead of remote server
I am facing an issue when I try to connect to remote machine (which is behind bastion host) via ssh local port forwarding.
I am looking for the connection flow: my laptop --> Bastion host --> ...
0
votes
0
answers
661
views
Setting Up WAN + LAN Network with pfSense in VirtualBox - Troubleshooting TCP Connection Issue
Hello,
I am currently in the process of configuring a WAN + LAN network within VirtualBox using pfSense (VM) as the router in my LAN. The primary objective is to establish communication between a TCP ...
2
votes
2
answers
2k
views
Forwarding VPS Traffic over WireGuard
So I've been pulling my hair out for the last 24 hours to sort this out.
Long-story-short, my home internet runs over a 4G Mobile network, so this means I cannot Port Forward through my main Router. I ...
0
votes
1
answer
175
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Unable to connect to my server
I'm unable to connect to my own server, which has a MySQL database which I want to access.
I correctly opened the 3306 port on the router and called my internet provider that confirmed so.
But when I ...
0
votes
1
answer
36
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Ubuntu - server protection when forwarding ports via ssh
I will make a reservation, I am mediocre in Linux systems. I have several Raspbian (Client) devices that have access to the network over LTE (IP over NAT). I have my own server under Ubuntu (server). ...
0
votes
1
answer
210
views
SSHD: Dynamic deny port forwarding
From the current ssh session on a server, what -L params did the client specify?
I am trying to build a jumphost using sshd that can be used for port forwarding. The goal is to be able to get into a ...
0
votes
0
answers
78
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Port forwarding with iptables prerouting not work
I have 3 server
server A: 5.161.x.x
server B: 193.151.x.x
server C: 195.96.x.x
I want to forward all traffic from server B and C to server A
,i forwarded Server B to server A with this command:
...
0
votes
0
answers
849
views
Wireguard Site-to-Site connection in Docker ping working but TCP not
I am quite desperate. I am trying to get my site-to-site vpn setup working, but no luck so far. Please don't judge me, I am quite new to the routing problematic.
I have a VPS with a public IP 123.456....
0
votes
0
answers
41
views
Internet Forwarding
I am looking for Internet Routing. Right now we have 2 offices one in Germany and One in Dubai. Everyone is connected through VPN Tunnel of the German office. The German office wants to connect to our ...
0
votes
0
answers
317
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Port forwarding multipass instance on windows 10 (hyper-v manager)
I'm currently using Multipass on my Windows 10 machine and I'm having trouble setting up virtual switch for my Multipass instance. I want to create a mail server and send mails over the internet. Can ...
0
votes
0
answers
269
views
Forward local http port to external device using firewalld on Ubuntu 23.04
I have an external device A that advertises a HTTP server at port 80. It is fixed at address 192.168.1.107. I can view the HTTP server at http://192.168.1.107:80 on my local network from any other ...
0
votes
1
answer
414
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UDP Port Forwarding
I got 2 servers Named A and B, both are in different data centers and just have internet access.
I need the incoming UDP connections to a particular port on server A to be forwarded to a specific port ...
1
vote
2
answers
312
views
Forward default mySQL port to a different port for outgoing traffic to a specific IP or Domain
We're using a hosted mySQL Database server which generates a port other than the default 3306, which we have no control over.
We'd like to not have to make changes to our existing connection scripts ...
0
votes
1
answer
30
views
Packets go out one LAN machine but do not reach another one
I have a pretty simple topology.
Machine 1:
ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:...
1
vote
1
answer
663
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Ubuntu IPTables Port forwarding and NAT
I am coping with an issue for the past days with which I cannot get my head arround, it addresses routing.
Setup and context:
NetworkDiagram
As depicted in the diagram below, my goal is to call the &...
0
votes
1
answer
83
views
Redirect web server port behind VPN
Just recently started using a VPN that allows open ports above 2048. I host my own web server on port 80.
I need help configuring my web server to run on a port above 2048 but get redirected to port ...
1
vote
2
answers
648
views
forwarding 443 to two servers using single external IP? [duplicate]
i have an exchange server in a small office, and a synology web server running the website. Iam forwarding https 443 to my exchange server from my router for owa/ecp etc with a SSL. The synology NAS ...
0
votes
1
answer
283
views
How to forward traffic through Linux box except requests to the box itself?
I have an Ubuntu box with IP forwarding enabled and a very simple iptables configuration to allow all packets from within the LAN to be forwarded:
echo 1 > /proc/sys/net/ipv4/ip_forward
/sbin/...
0
votes
0
answers
120
views
Port forwarding in Ubuntu VPS server, from public ip to a clients
VPS in installed Ubuntu server 20.04 and OpenVPN, I need to forward all the traffic from a specific port of the vps public ip, to the same port of a VPN client.
My Ubuntu VPS ip is 107.172.142.153
And ...
0
votes
0
answers
247
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SSH port forwarding using python
I have a VPS that serves as my VPN server, and I want to use this VPS as a VPN using forwarding for my laptop which uses windows as OS. Is it possible to do so without using software like PuTTY, ...
0
votes
0
answers
35
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How private networks enable external networks in multiple network interfaces
In a dual LAN environment on the Rocky Linux OS, we've made one private network from two multi-interfaces. I want to implement the private network so that it can be connected to the Internet network ...
0
votes
0
answers
2k
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Different port forwarding for https and wss (Websocket) using firewalld
Currently I setup port forwarding for a nodejs server such that all http requests (using tcp protocol) get redirected from port 80 to 3000, and all https requests (using tcp) get redirected from port ...
0
votes
0
answers
569
views
How to create a openvpn server with port forwarding like portmap.io?
I'm currently working on exposing my NAT behind a server to the public using OpenVPN. I've successfully accomplished this by utilizing the portmap.io VPN service, which allows public users to access ...
0
votes
1
answer
3k
views
Connect to a postgres running internally within a cluster through a kubernetes pod
I've got a kubernetes pod myapp-2390458f-kfjgd I can get access to with kubectl and an instance of a PostgreSQL that can be accessed from within the kubernetes cluster by the name mypos.tgres.com, but ...