All Questions
Tagged with firewall port-forwarding
32
questions
0
votes
1
answer
257
views
Port Forward for LAN
I bought a server and have Ubuntu 22.04 installed.
When I run various Github projects like Text Generation Webui, Automatic1111 Stable Diffusion, etc., how do I forward the port to access it from my ...
- 103
0
votes
0
answers
258
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How to deal: external Jenkins port does not work
I have jenkins service working fine on internal and local levels (I can just open localhost:8080 or 192.168.x.x:8080 in the browser and it gives me Jenkins "sign in" page)
But I have ...
- 101
1
vote
1
answer
771
views
UFW blocking port forwarding
I am running Ubuntu Server as a home network router, which works fine otherwise. I also have another server on the network which hosts all of my content and services. So let's say, for example, I'm ...
2
votes
1
answer
529
views
I need a simple TCP load balancer in Ubuntu
I would like to create a load balancer for RDP connections only, that’s one TCP port only and would like to avoid anything more complex like Nginx.
I don’t need cache, or anything else, just take an ...
- 21
1
vote
0
answers
144
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How to set up UFW port forwarding from non-privileged port to port 22 on the same computer
On my Ubuntu server, I am running an SSH server (port 22). I want to set up UFW such that all incoming connections are blocked, except through port 12345. External traffic arriving at port 12345 ...
- 505
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votes
0
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310
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Why do I see login requests for various ports although the router and the firewall only permit port 22?
I want to login into the Desktop of my Ubuntu 18.04 machine remotely from the internet.
I therefore enabled port forwarding for port 22 in my (fritz.box) router.
Additionally I activated the firewall ...
- 81
1
vote
0
answers
72
views
Firewall setting are correct but port still closed form outside
I setting up machien for connect to postgresql remotly
I check somthing and it's apeare all things is correct
Checking the port status :
$> sudo netstat -tulpn | grep LISTEN | grep 5432
tcp 0 0 0....
- 11
-1
votes
1
answer
233
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How do I open a port on my Ubuntu 14.04 virtual server to my Mac from which it runs? [closed]
I’m running a virtual Ubuntu (14.04) box, using Vagrant, on my Mac Big Sur machine. I would like to open port 1234 on my virtual machine to my Mac. From the virtual machine, I can see these ports ...
- 2,155
0
votes
1
answer
255
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Unable to establish connection over specific port in devices connected via VPN
I have an Ubuntu virtual machine on the Google Cloud Platform, which runs an OpenVPN server.
In my office, an Ubuntu laptop and a Windows PC act as OpenVPN Clients.
Hence, on the VPN, the following ...
- 103
-1
votes
1
answer
5k
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Ubuntu 20.04 gateway, iptables NAT and port forwarding
i am in a maze, i try in vain to setup the rules to be able to acces from internet my internal web server (192.168.12.10).
at home, i have an Ubuntu 20.04 gateway (192.168.12.1) with two interfaces :
...
- 1
0
votes
0
answers
761
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Port-forwarding for a minecraft server on 20.04 LTS
I've been trying to play with my friends online in Minecraft for a while now and the two methods I tried ended up failing.
The first method was to use hamachi, however its tunneling engines couldn't ...
user1194030
1
vote
1
answer
214
views
Server only reachable locally
Hi I wonder if anyone can try to point me in the right direction...
I have a simple web server. It works fine but now that I'm setting it up to run in the cloud I am having trouble connecting to it ...
- 31
0
votes
1
answer
4k
views
Failed to connect to 127.0.0.1 port 80: Connection refused
I am unable to connect to port 80 on an ec2 VM.
I even tried this below command.
sudo iptables -A INPUT -p tcp --dport 80 -j ACCEPT
But no change in the response.
My security group inbound rules also ...
- 101
0
votes
2
answers
4k
views
Ubuntu 20.04 Server firewall
if I type ufw status verbos my system returns status: inactive; but when I was scanning my ports for a specific port with nmap, it returned a closed state for my port.
What else besides the firewall ...
- 3
4
votes
2
answers
15k
views
VNC Server port is closed
I installed TigerVNC server on my Ubuntu server but I can't connect to it. The server is running but when I try to scan for open ports (in LAN) using my phone, 5901 is closed.
Output of nmap localhost:...
- 1,112
3
votes
0
answers
185
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Webpage can not get access from the world!
I have installed a fresh Apache with a fresh Ubuntu server. I did not make any changes to my server yet. The default Apache website is visible from other PCs inside the private network.
The ports 80 ...
- 31
0
votes
0
answers
71
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Access service via url:port from outside
I have the following network setup:
Gateway/proxy and firewall box with Firehol installed 10.xx.xx.xx - Ubuntu
internal server behind the gateway 192.xx.xx.xx - Ubuntu
All traffic is routed ...
- 1
1
vote
2
answers
11k
views
Mosquito Server Refuses Connections Ubuntu 18.04
This is a fairly narrow issue, but I'm hoping the Ubuntu group can help. I asked on SO, but I am fairly sure the error I am getting is due to a missing setting in Ubuntu or an issue with my router ...
- 135
4
votes
1
answer
3k
views
How can I put speed limits on ports?
I have UFW enabled, so the solution should not interfere with it. It should also work after reboot.
I currently know these commands which limit the data usage of ports:
sudo iptables -I OUTPUT -p ...
- 325
0
votes
0
answers
1k
views
Port forwarding for torrent client via UPnP
First, I'm currently connected to my neighbor's router who is not at home, which is why I can't ask him to forward a port via the router. I'm trying to forward a port to accept incoming connections ...
- 1
0
votes
0
answers
381
views
Redirect denied connections from ports 80 and 443 to a 403 page
I have a server that is running sniproxy. I have ufw as a firewall, which I use to allow certain IPs to use the proxy. However, I need to send the denied attemps to a 403 Forbidden page. Can someone ...
- 1
0
votes
0
answers
3k
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Port forwarding from OpenVPN Client to Public Internet
I need to forward port 44444 of my VPN client to the public internet with my public IP on port 44444, how i can do this?
The VPN Server is mine and I have root access.
Example how i can do this?
...
- 21
0
votes
1
answer
2k
views
connection refused on port 4000 in ubuntu14.04? [closed]
I tried to telnet (telnet 10.12.1.14 4000 or nc -zv 10.12.1.14 4000 )on port 4000 and giving the result as follows.
root@cwl2:~# nc -zv 10.12.1.14 4000
nc: connect to 10.12.1.14 port 4000 (tcp) ...
2
votes
2
answers
1k
views
Port is closed on Ubuntu 16.04
I am using http://www.canyouseeme.org and http://www.yougetsignal.com/tools/open-ports/ to find out whether my port is opened for connection or not.
I am not able to seed the torrents. It keeps ...
- 23
0
votes
1
answer
1k
views
Forward mysql port to 33060
I'm running mysql server on an ubuntu machine on the default port 3306. I now want to access my mysql instance from anothe rmachine via port 33060. I'm trying to forward port 3306 to 33060 in ufw.
By ...
- 113
5
votes
1
answer
209
views
Accessing a LAMP webserver that's behind a Ubuntu VM acting as a firewall
I currently have two VM's set up in the following manner:
/-----------------------\
/-----------------\ | Ubuntu VM | /---------------\
...
- 51
2
votes
0
answers
3k
views
Why does remote SSH connection time out?
My server runs Ubuntu Server 14.04. When connecting over SSH from a local LAN client it works fine. When I connect using a different machine from an outside network, I get 'connection timed out'.
I ...
- 121
0
votes
2
answers
4k
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cannot telnet into ubuntu from windows 7
I have a php server running on port 4444 on my Ubuntu 15.04 machine. Now when I execute telnet 127.0.0.1 4444 it works fine. Now I have connected my machine and a windows 7 machine using mobile ...
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1
vote
0
answers
1k
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Why can't I connect to my localhost port from a remote computer?
I'm using link-grammar server to convert sentences into semantic graphs. It provides an API though a port to do the above process. It's configured to works through port 9000 of localhost. I used to ...
1
vote
1
answer
3k
views
How to perform detail packet capture on Ubuntu firewall?
I've routed internet traffic of my other systems on this ubuntu linux system where I have configured packet forwarding. but still I am unable to get internet on other systems.
Hence I want to ...
- 2,349
0
votes
1
answer
1k
views
Ubuntu 14.04 denying incoming access
I just install a Counter-Strike: Source Dedicated Server on my Ubuntu 14.04 Desktop amd64 and I'm having trouble to allow incoming access to this server from the internet.
I did a port forwarding on ...
- 51
1
vote
0
answers
746
views
Port forwarding out multiple VLAN interfaces that have same IP address
So I have an Ubuntu machine with multiple VLAN on an interface eth1 and each VLAN has the same IP address (172.16.0.2). I need to be able to simultaneously telnet into a rack of devices that are also ...
- 11