Questions tagged [port-forwarding]
port-forwarding on firewall or via SSH
408
questions with no upvoted or accepted answers
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traffic to public nat 1:1 ip blocked from local lan network
I have the follow network configuration:
xxx.xxx.xxx.xxx -> nat 1:1 -> 192.168.0.2 -> 80 port forward -> 192.168.0.10
^ ^ ^
...
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1
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923
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Limit IP connection for specific port in forward traffic
I have a server on which I have done port forwarding. This means that each user connects to the server with a dedicated port and the traffic sent by the user is directed to the remote server. I used ...
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717
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Nftables, ssh server behind firewall. Pre/Post Routing
I want to make post- and prerouting rules to allow the following: I have an ssh server running on the internal network at port 22 that I want to make available externally on say port 2200. How would I ...
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117
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Should Router Firewall be deactivated when forwarding ports?
I'm trying to understand how a router's firewall works when ports are forwarded. As an example, I have vlc running on an ubuntu server in a remote location. I've setup VLC to stream content from my ...
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70
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How to achieve application communication over different networks without port forwarding
I hope my title is sufficient and that this is the right place to post this question. I am a self taught Java developer and I have an application that I am trying have it communicate to a "...
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pfSense - Port forward through site-to-site VPN
I'm trying to solve a problem on my setup, and kindly ask your help.
This is the scenario.
Site 1
Internet connection via 4G/LTE provider, with natted connection
pfSense firewall
172.20.0.0/25 LAN ...
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203
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how to port forward to specific api address?
seems i've gotten lucky and get to take over some server configuration while the upper echelon finds a replacement! yay. love being out of my depth, but upside is, i get to learn new stuff.
anyhow, ...
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97
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How Can I Use the Iptables but Not Converting the Resource IP?
I want to deflect some IP address that we access using any tools (like nmap, medusa, etc) to the another IP Address.
For more details:
I have 2 IP Addresses, First IP Address is 192.168.1.7 and the ...
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672
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Is there any way to port forward if my router's wan IP is different from my public IP?
I am not using a VPN or any proxy settings, and the WAN IP address on my router's interface and IP address when searched on Google doesn't match up.
As far as I understand, my ISP is using a different ...
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1
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803
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Firewalld: setting up port forwarding of ports 80/443 blocks internet access for client
I'm new here, I hope I'm in the right place. I'm also new to networking at this level of complexity and this might be a stupid question, so sorry in advance. For reasons, I have a nas (synology) with ...
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103
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Outgoing port forwarding from off-line LAN
A LAN network consists of two computer with static IP addresses connected with a network hub, just a dumb repeater, no DHCP. The LAN is not connected to anything else. I need one of those computers to ...
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242
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Forwarding bonded connection to local network through stateful firewall - ArchLinux
I'm using Arch Linux to set up a firewall for a school which will stream each classes' video to students at home, so I need a strong and safe connection, that's why I was thinking about bonding ...
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504
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OpenVPN does not connect outside network
We have a small office setup, currently due to pandemic employees need to work remotely therefore we are tying to configure OpenVPN so they can access internal applications. Using following tutorial I'...
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1k
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Reliable reverse port forwarding between windows pc (under NAT) and linux server
I have the following topology:
Linux server (Ubuntu 20.04) with static ip
Windows server under NAT with no option to forward port to this machine
I need to access securely port of windows server ...
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378
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Is it possible to forward a port for one app only?
I have a Ubuntu server (18.04) which hosts some websites on Apache2, and also has a node app running. I want the node app to use SSL, but as it's not running as root it doesn't have permission to ...
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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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331
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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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146
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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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179
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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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215
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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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1k
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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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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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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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7k
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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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2k
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IIS published website is not accessible with public ip and port
I have IIS published web application that I can connect with my local ip and port. Like 192.168.1.99:81
After adding inbounding rules, router DMZ and port forwarding, closing both windows and router ...
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1
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650
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SSH Port Forwarding to SQL Server Not Working
I am working with an AWS environment containing
a Ubuntu server to which I can establish an SSH connection
a MySQL server
an MS SQL server
I can SSH into the Ubuntu server and from there verify ...
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101
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new azure port will not open
Some time back I created an Azure VM and needed to open some ports. I did so by creating a security group and added the appropriate inbound rules to open the ports. Also I created an inbound rule in ...
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3
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860
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TCP NAT forwarding works, UDP doesnt
I am using an Ubuntu Computer as a Router.
It has a network connected locally on eth0 and is also connected to the internet with another interface and inside of an OpenVPN.
I set up NAT port ...
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2
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436
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Merge different web services to one port
I have different web services running on different ports (on one Linux host):
https://host.com:101/app1/ (Flask)
https://host.com:102/app2/ (Ruby)
...
How can I access them through a common port (80)...
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555
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Forwarding packets from eth1 to eth0
I have a linux box with two interfaces (eth1 and eth0). I have a device connected to eth1 and a PC connected to eth0. The following are their IP addresses:
eth1: 10.75.0.1 netmask 255.255.0.0
...
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48
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Would proxying ssh be insecure
If I would use something for remote port forwarding like ngrok, or Serveo:
ssh -R 80:localhost:22 serveo.net
Would this pose a treat to my security since there is a man in the middle?
How would I ...
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165
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SSH Port Forwarding for dynamic IP
I want to create iptables rules to allow SSH port forwarding from a router with a public IP address (say 1.2.3.4) on port 2222 to a device with a local IP (192.168.x.x) on same port. One issue is I'm ...
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44
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iptables, two forwarding rules, one working, one not
I'm in IP tables hell, for the first time in ten years!
# Generated by iptables-save v1.6.0 on Fri Jan 10 16:36:24 2020
*nat :PREROUTING ACCEPT [0:0] :INPUT ACCEPT [0:0] :OUTPUT ACCEPT [6:371] :...
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2k
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SSH Tunnel Through Multiple Hosts to Forward Traffic to Device
I am attempting to minimize my Public facing attack surface. Allowing only traffic from a specific IP address. I want to prevent all input access to the remote WAN/Edge Router's management port from ...
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41
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iptables port forwarding to another webserver port
Is it possible to forward a port to a port belonging to another webserver?
I have an ec2 instance which is capable to connect to a mysql db living on another machine not belonging to the same network....
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307
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ip port forward iptables
I built a cluster of computers, they are on the LAN network behind another computer which serves as a router. I want to do a forward from external port on the router to port 22 on the submit node on ...
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1k
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Forward port to OpenVpn client with static IP
I have running OpenVpn server on my router Asus RT-AC58U. The router has public static IP 82.119.97.206
On the OpenVpn server I have setup two clients with static ip:
10.8.0.10 - my laptop (Ubuntu 19....
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2
answers
4k
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Typical port forwarding with nftables example
I want to connect to a virtual VM hosted by the server 1.2.3.4 using ssh.
The IP of the VM is 10.10.10.100.
"nft list ruleset" prints:
table inet filter {
chain input {
type filter hook ...
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1
answer
212
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Way to forward remote internal network ip and port to same ip and port on local mac
For development reasons I want to connect my local machine (macos) to a remote private network of a kafka/zookeeper cluster.
When I do port forwarding with
ssh [email protected] -N -L 10.0.0.8:...
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answers
90
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How can I forward port from two multicast addreses with the same port using iptables on debian?
I wrote a multithread program in Python, that analyses traffic from two multicast addresses with the same port, however it looks like my threads don't distinguish from where are datagram's coming.
...
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78
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Port forward MZ to DMZ to public
We need to forward port 993 from my MZ server to DMZ server to Mail Server . Actually port 993 are open from my DMZ server to mail server . Application is running on MZ and login to mail server script ...
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4k
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Mikrotik hEX port forwarding doesn't works
I have an hEX Mikrotik router, factory default settings, latest firmware.
By default it comes with eth2 to eth5 bridged, and eth1 as the "WAN" port, plus a few Firewall rules. By default the bridged ...
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442
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OpenVPN: forward traffic on specific ports to client
I have an OpenVPN server on a DigitalOcean machine, and several clients connecting to it, including a Synology NAS with a mail server. I would like to use the VPN server to forward all incoming mail ...
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1
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2k
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Failed For Listen Port 80 (Serveo and SSH)
I am trying to create a very simple one page website hosted on my PC. I have used Python and SimpleHTTPServer to host the server on localhost:8080 and am now trying to forward traffic from a domain to ...
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257
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CentOS - Forwarding all ports except one
It is possible to forward all ports (TCP/UDP) in a CentOS server except by the ssh/sftp port (TCP port 22).
If it is possible how can I do this?
I thought in something using "FirewallD".
Thank you! ...
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342
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SSH: forward port on intermediate machine to local network
I have a master that is reachable from the outside on a static IP (1.2.3.4). From the master, I can connect to a slave that resides in a local network (10.0.0.1). Currently, my .ssh/config looks like ...
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485
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How should I load balance large port range for high availablity?
I have a service which publishes individual services on different ports via consul and fabio. I have a pair of these fabio internal load balancers. They both have the complete set of valid open ...
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409
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Forward from port 80 to my proxy server wont work
I have a raspberry configured as a little server for doing some networking training, this is my current system version
Linux raspberrypi 4.14.98-v7+ #1200 SMP Tue Feb 12 20:27:48 GMT 2019 armv7l GNU/...
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817
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How to access the floating ip in browser rather than a localhost?
I have an instances that was made in OpenStack which have a floating IP for its instance, the IP for this machine is 10.1.1.164. I tried to forward this instances so it will accessible in my firefox ...