Questions tagged [networking]
For questions on connecting devices together so that they can communicate with each other, as well as questions on networking equipment such as routers and switches.
34,807
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HTTP Server not accessible from intranet
We have a cable network and a few static IPs from the ISP. A server is connected to the cable modem (also as a router) and has a static IP assigned. An HTTP service is running on the server. ...
- 111
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Experiencing connectivity issues with certain sites but not others
I recently switched ISPs (based in Australia) and since connecting I have had issues with certain sites. I can see no pattern between the sites that work and those that don't. Running a tracert to ...
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10 gig PCIe network card won't come up unless onboard 2.5 gig card is connected
I recently acquired a zimacube - its a N100 based NAS system. I've wiped the preinstalled zimaos and run a minimal install of ubuntu server 24.04 and made the usual changes I do on my builds for ...
- 130k
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IPTables Nat Confusion
I'm trying to make a NAT using IP Tables with the following configuration. OrangePI1 has two interfaces LAN and WAN.
LAN is a static address network where OrangePi2 lives and has a static ip.
On the ...
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2
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20
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How to setup a reverse proxy across multiple devices on a local network
I am very new to setting up servers and network management so please bear with me.
I have multiple devices on which I would like to self host different services. This includes a few RPI5 and another ...
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Ubuntu Server 22.04 VM networking is disabled after migrating from Proxmox to XCP-NG
I have a Proxmox cluster that contains several Ubuntu Server 22.04 VMs, and I just created a new XCP-NG "cluster" - both of these are separate (I.E. One is not replacing the other.) I was ...
- 21
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Microsoft Azure - Changing the IP address of the server [closed]
I have a server co-located at a data centre. The data centre is advising that the IP ranges are changing and I have to update the server.
The server has the Microsoft Azure O/S installed (no graphics)....
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Difference between Internet Sharing (ICS) and bridging [closed]
As in the title: What are the differences between using ICS vs just bridging the internet-cabable interface with the non-internet interface?
When would you use each of them, with the aim to share ...
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ICS on Windows 10 host with IPv6
My ethernet interface is connected to the internet (dual stack, has both IPv4 and IPv6), and I want to use ICS to share the internet connection to another interface.
When enabled, my non-internet ...
- 121
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How to connect to FTP server between multiple subnets
I am using a ISP provided router (Huawei HG8145V5) which has inbuilt FTP server function.
The FTP server runs at 192.168.1.1:21 and I can access the FTP server within the network. However in order to ...
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Cannot reach web server in vm from bare metal using DNS after iptables rules forward packets to virtual bridge
This is a simplified description of the development environment at work and I am trying to configure it to facilitate developers using it.
Topology:
The topology of my setup is illustrated below. ...
- 11
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Cannot join my own gameserver via my external IP
In short, when I launch a game server on Windows, I can only join it via the local IP address but not via my public IP.
The server and the client are on the same machine, same interface. The server is ...
- 711
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32
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100Mbps-1000Mbps NICs all limited to ~40Mbps?
I have paid for 1000Mbps for quite some time from my ISP and have always had trouble with it maxing out at ~40Mbps. I always faulted my VPN and just suffered through it.
I finally tried to ...
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How to BLOCK a Website with an Access Rule in SONICWALL Router
I'm trying to block a website using an access rule on my SonicWall router, but it isn't working. Here is my configuration:
Created an address object:
Zone Assignment: WAN
Type: FQDN
Entered the domain ...
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28
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In systemd-networkd, when trying to [Match] an ethernet interface in a .network file, what is the difference between `Name=en*` and `Type=ether`?
I haven't been capable of finding anything on the different performance implications of Name=en* and Type=ether.
The only difference I have found is that Type=ether also matches virtual ethernet ports,...
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Can reach network devices via Wi-Fi but not powerline
I have the following devices:
Win10 laptop
Fritzbox 6590 Cable router
Synology DS218j connected directly to the router
a set of TP-Link TL-PA7017P AV1000 powerline adapters connected to the router ...
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Port forwarding using unmanaged switch
I moved into a new house and it has Ethernet cables run into each room already.
Where each of these cables terminated was in the garage, so instead of having the Wi-Fi modem in the garage I just used ...
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Mysterious WiFi network being broadcast from my PC
I have a laptop (Framework 16) running Windows 11 Education 23H2 (Build 22631.3737). Today, I noticed a secure WiFi network called "Direct-URLAPPYmsQA" where "LAPPY" is the name of ...
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Verifying connectivity for Multicast
I am trying to use my Windows 11 laptop as a external display of my Windows 11 work computer.
The Wireless display built in function seems promising.
So far, no success. All installed, and tested on ...
Radiordi
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How do I configure 2 public IP addresses on Debian and enable NAT traversal on one?
I got 2 IP addresses from my hosting company, xx.xx.xx.109 and xx.xx.xx.110, both in the same subnet. The subnet mask is 255.255.255.192 and the gateway is xx.xx.xx.20
I have a Proxmox server and ...
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How do you set up a system wide Proxy system for multiple SSH Dynamic Port (SOCKS5) Connections
What I'm trying to do is create a FoxyProxy type system wide proxy system for SSH Dynamic ports. My starting point is a OpenBSD Unix Based system, but has a lot of RedHat based additions. All of the ...
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Static Route Windows issue
I would like some help and thank you for taking the time to read my question.
As far as I know, Windows routing has route preference following this rule:
1 - More specific route, i.e. smaller or ...
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How can I reliably test the bandwidth through proxychains?
I run my proxychains through a modified SOCKS proxy, although that’s probably not relevant.
But I’ve been struggling to find a reliable way to test the upload/download speed through my proxychains.
...
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VPNs don't fully hide your identity?
Suppose I want to identify the perpetrator (call them X) of some suspicious/illegal activity online, with the help of the authorities.
X uses some legit, short-memoried VPN. But X uses some standard ...
- 109
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Hotspot connection SSH / Ping
I have a singleboard computer (Rock 4 SE) with a wifi that is hotspot capable. It is running linux Debian. I want to SSH into it with my laptop using the linux machines own wifi as a hotspot for ...
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ISP Blocking or suppressing iptv service (strange behavior)
Curious George here… I hoping someone might have a clue for me. I have a Fiber PON connection from Telmex, and I suspect their router is blocking or suppressing my connection to the service provider. ...
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How does the router know to send packets to a VM on bridge mode?
How exactly does the router know that, to reach a VM, it needs to reach my computer first? Does VirtualBox alter the local network ARP?
Some people say that you need to set promiscuous mode for ...
- 271
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How should I configure OpenVPN from gateway server to private server?
Seeking a bit of guidance on how I should set up my OpenVPN tunnel from client -> gateway server -> home server.
Right now I'm running an Ubuntu 20.04 server on my home network. In order to
...
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My Home IP address suddenly became unreachable?
I'm running a small website on my IP (IPv4) address. Suddenly, since last night, nobody could establish a new connection to my IP, they get a connection timeout. This is despite my internet seemingly ...
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Uploading GoPro Files Kills My Internet
I'm a bit confused with this one. When setting an upload off on my GoPro Hero 11, my internet dies. As in, completely dies. My other devices report "Connected but no internet available". My ...
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Why can Ethernet NICs bridge to VirtualBox and most Wi-Fi NICs don't?
I saw in forums that some Wi-Fi adapters can't support bridge, but they didn't explain very well why.
So:
Why can all Ethernet NICs bridge to a VM, like VirtualBox bridge mode, and some Wi-Fi ...
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In windows, how to change the order of networks priority to use when multiples are availables?
I have an android smartphone with USB tethering connection sharing... it's plugged to my windows PC
I have an ethernet RJ45 wire.... also plugged to my windows PC...
It uses automatically the ethernet ...
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67
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How VirtualBox NIC bridging works?
I'm trying to understand somethings.
General Part:
I'm new on this area and I saw a video of a phisical network that told that a bridge connects two networks and knows if certain host is on the A side ...
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Network connectivity between 2 pcs [closed]
Both pc are connected into a unmanaged 24 port unmanaged switch. Windows 11 pc is in port 3 and windows 10 pc is in port 4 the one and 2 is filled by a Playstation and a TV. The router is connected ...
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How host.docker.internal works on Windows
I just want to understand why on Windows the IP of host.docker.internal is not the IP of the host, neither 172.17.0.1.
How all of this works on Docker?
I've already read the documentation but couldn't ...
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How to simulate Hercules on local IP address?
I would like to simulate a TCP server, using Hercules (by HW-Group).
When I configure the port (12714), netstat -aon | findstr "12714" shows me this result:
DOS Prompt>netstat -aon | ...
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How can I link the virtual machine to appear with its own unique MAC address?
I made a virtual machine when changing from NAT to bridging mode, and when checking on the devices connected to the network the virtual machine appears with the host MAC address which I assume is ...
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Is there any way to block connections by process and hostname system-wide in Windows?
In macOS, a firewall app like Little Snitch can block outgoing connections by both process and hostname (as opposed to just IP address), allowing fine-grained control over which network connections ...
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Use tshark and return binary of packet in the STDOUT
As part of a project, I need to retrieve network packets on a network interface using -i.
tshark -i eth0
I need to retrieve the binary format of the packages, however I would like if possible not to ...
Youen lb
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My Windows (not server) computer can be accessed with IPv6 but not IPv4 (telnet and HTTPs)?
I have a Windows 11 Pro computer with IIS enabled. It has public IPv4 1.2.3.4 and 1:2:3:4 (from https://whatismyipaddress.com/). I setup an IIS website and route my domain to my server with Cloudflare ...
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How do we reach an IP address?
How does the following work in TCP/IP protocol?
There are two subnets:
subnet A is 10.0.0.0/8
subnet B is 10.20.0.0/16
A host in Network A with an IP address of 10.20.3.4 wants to access a host 10....
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Headphone cable connection adapters [duplicate]
Using a four pole headphone cable with a television which has a three pole jack. Can I use this four pole cable with a three pole television headphone jack? Will it work?
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DNS not working after switching to VPN and back? (Home network)
I have a raspberry pi, hostname raspberrypi, on my home network that I can usually connect to just fine - I didn't have to set anything up, it just worked after it was plugged in, presumably using my ...
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How to confirm host IP address in a browser?
I am trying to troubleshoot certain CDN problem, testing what kind of download speeds I get on different servers. Let's say it is host.example.com which will return me some IP address, not sure which ...
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Redirect website endpoints locally
Whenever I click a link that hits this endpoint:
youtube.com/shorts/{video_id}
I'd like my browser to instead end up at
youtube.com/watch/{video_id}
(Since /shorts/ is grotesquely horrible on ...
- 101
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What configuration or concept am I not understanding with web servers and domains
Please bear with me, this might be a little confusing because I'm having a hard time explaining.
I have an IIS web server at home. I registered a domain with DuckDNS to point to that web server.
...
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Output of hostname -I not making sense to me
I'm trying to understand networking, and I've noticed my router's local IP address is 10.0.0.1, but my computer's local ip address (found from hostname -I in a WSL shell) is 172,17.xx.xx. When I run ...
Kate
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How to pull NMEA0183 traffic from a TCP-based "talker" and send it to a UDP-based listener?
I have one machine (192.168.11.100) that acts as an NMEA0183 "talker" via port 10110/TCP and I have another machine (let's say 192.168.11.110) that can only receive the NMEA strings it needs ...
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Extract PPPoE username and password from ONT
My ISP gave me a nokia g-2425g-a ont which I want to put a lan port for using PPPoE so that I can manage the network all from my asus router (TUF-AX3000) The thing is I don't have the PPPoE ...
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21
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Where to change roaming agressiveness if it's not in the device setting?
I've been trying to connect to a specific access point under one public ssid via wifiinfoview and NetSetMan but every time I try to connect, it snaps back to the one with better signal. I'm assuming ...
