Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

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.

0
votes
0answers
7 views

Raspberry PI won't use my iptables

I am currently trying to get iptables working on my Raspberry PI. But for some reason they won't work. This is the content of my /etc/iptables/rules.v4 file. Generated by iptables-save v1.6.0 on Wed ...
0
votes
0answers
10 views

Cannot access my VPS while it connect to a VPN

I don't know if my title is correct or not, but here's my problem. I have a Ubuntu 16.04 VPS that has a public IP x.x.x.x In my VPS, I connect to a VPN server with IP y.y.y.y using PPTP. After that,...
1
vote
0answers
13 views

Need help to set up home server - client network (RedHat 7)

I have very basic knowledge on networking. I recently purchased a Dell server to do my own development work. I have installed a RedHat Linux server. I am trying to set up a local server client set up. ...
0
votes
2answers
25 views

What this ISP server stuff is about regarding creating your own email server

I am in the process of learning how email servers work, and noticed this: I use the SMTP server of my ISP to deliver e-mail.... Something as simple as hosting it at home, with a dynamic IP from ...
0
votes
0answers
24 views

data cable wall plate connection

I have a problem. I ran a cable from our "main home office", to my "personal home office". The wall jack has female receptacles on both sides of the cover plate. I connect the cable to the in-box side,...
1
vote
2answers
95 views

What's the right way to send an Ethernet Frame to another machine in the local network?

I recently began learning about the OSI model, networking and stuff. As I like coding in C, I wanted to send my own Ethernet frames. I now got it working; however, I'm still unsure about one thing: ...
0
votes
2answers
34 views

Sending an ethernet connection over wireless

So I have two connections on my PC, and ethernet and a wireless one. My ethernet is connected to the internet and my wireless isn't connected to any network. I want to send my ethernet connection over ...
0
votes
0answers
6 views

Locating ad hoc networks and best way to setup print environment

I'm not a sysadmin or any kind of guru, I just know a little bit about a little bit. Did a little research after I was asked to help fix a couple of problems at a small company. There are some ...
0
votes
0answers
6 views

nethogs shows 0 KB although I have traffic

I am running a network related program that performs TLS handshakes with many hosts. I ant to monitor the network traffic so I used nethogs. It shows 0 KB. NetHogs version 0.8.5-2 PID USER ...
1
vote
1answer
45 views

How does Physical RAM affects file copy?

My setup: Source and destination Servers (installed in M1000e Dell enclosure): Dell Poweredge M620 (Blade servers) 2x Intel E5-2650 @ 2GHz processors 192GB RAM (DDR3, 1333Mhz Perc H310 Raid ...
0
votes
0answers
19 views

How to connect to openvpn server from ubuntu 18.04 client?

I have a openvpn server which I am trying to connect to. I have the ovpn file which I use to connect to the VPN server using: sudo openvpn --config client.ovpn When I can connect using the same ...
1
vote
0answers
14 views

Windows batch file to import LAN or Wireless profile regardless interface name

How do I ignore interface name when importing network profile? Below batch files only work if the endpoint have the same interface name (Windows interface names usually are: Local Area Connection, ...
-1
votes
1answer
29 views

Disable SSH password on Ubuntu virtual machine

I have Ubuntu Server 18 installed on a virtualbox instance. I want to be able to SSH into it from the desktop computer that it's currently installed on and running on as well as from my laptop. Would ...
0
votes
0answers
41 views

Why is Firefox somehow capping my download speed at 300 Mbps? [on hold]

These Google Chrome results via Speedtest are consistently 700+ Mbps. But no matter what I do I can’t get Firefox to go over 300 Mbps. I get the same results with Waterfox and Pale Moon and get the ...
0
votes
0answers
20 views

Windows 10 VPN connected, No internet through client

So I am trying to set up a VPN using a computer in another location to access region locked content. I have set up a PPTP connection through another computer that works successfully. I can connect to ...
0
votes
0answers
17 views

map ubuntu shared folder in windows 7

I have a virtual machine running ubuntu and I am trying to host some files on ubuntu and map the drive in windows PC. Following the steps here, I am able to see (from windows) the "work" folder after ...
0
votes
1answer
12 views

iptables - Redirect local and transient outbound traffic destined for port 80 to port 8080

I'm having an issue with iptables due to my very small amounts of involvement with it. I have a TOR exit relay setup and I'm trying to redirect all local and TOR traffic so that it exits my box on ...
10
votes
1answer
1k views

Connecting switches between two buildings, each building has it own mains electrical supply

I have two buildings (A + B) each with their own mains electrical supply. The buildings are about 20m from one another. Between the two buildings are the Cat6 cables (one active and two spares). The ...
0
votes
1answer
40 views

How to find the port(s) used by a device connected to my wifi

I recently bought a smart thermostat which connects to my wifi. I can control the device through an app on my phone. The app leaves something to be desired and I'd like to write my own scripts on my ...
0
votes
0answers
18 views

Switch ISPs and lost internet connection on debian server

Version root@server:~# cat /etc/debian_version 8.11 Can't resolve host names root@server:~# ping www.google.com ping: unknown host www.google.com ifconfig -a root@server:/# ifconfig -a docker0 ...
2
votes
1answer
41 views

Turning on DHCP when main router goes down

Our shared internet network goes down when our friend who pays for a unlimited LTE plan leaves. His phone is essentially the main router. However, recently we decided to create a local network aswell. ...
0
votes
2answers
34 views

network drive replaced by an external drive

I have an old software which needs access to a network drive, eg. \\nameofnetworkdrive but the problem is that the network drive has now been replaced by an external USB drive (eg. drive X). Is there ...
0
votes
0answers
20 views

Two wifis at home (one unwanted), causing issues - will disabling one solve it? [on hold]

I have a little bit of problem at hand. I have a router, and I have a modem. And both provide WiFi. And this is a problem for me. Why is it a problem for me? Everything that uses a wired connection ...
0
votes
0answers
12 views

Windows 7 laptop as a guest Wi-Fi AP [on hold]

I have small LAN+WLAN and I need to provide wireless Internet access for visitors without letting them access anything on my LAN or disclosing my WLAN password, but my router doesn't have such ...
0
votes
0answers
10 views

Why do some users experience packet loss loss while others don't (Teamspeak3)? [on hold]

recently I've rented a vserver to host a Teamspeak 3 server on it. Some useres experience noticable incoming packet loss (10%-15%) on the Teamspeak server while others don't. Now I was wondering how ...
0
votes
1answer
16 views

pfSense - handling public IP addresses as a Internal range

I recently bought 1Gbps internet access in my business and /24 public IP address for internal use. My 2911 Cisco router doesn't seem to be handling that speed Internet, so I setup pfSense machine as ...
5
votes
4answers
530 views

Can high pings cause slow web browsing? [on hold]

Lately my internet connection is having an issue of slow browsing. Download speed is perfectly fine. According to my internet provider, everything is fine with the connection. I just tried doing a ...
0
votes
0answers
12 views

How is it possible to connect to a remote server that does not have a port forwarding, via ITS internal address? [on hold]

It is possible thanks to Visual Studio Code Live Share, to share our local servers with our colleagues, which for me is incomprehensible, for me a computer can access another computer if its router ...
-1
votes
0answers
20 views

Looking to access a website multiple times, by different users, simultaneously, without detection by the website [on hold]

Firstly thanks for dropping by. Let me explain my situation. Simply put - I need a system whereby I can access the same website multiple times, by different users, simultaneously, without detection ...
0
votes
0answers
15 views

Route to subnet while using WLAN

I have the following network setup: INTERNET | | 192.168.10.1 +----------+ |ISP ROUTER| ...
0
votes
0answers
17 views

why would a LAN transfer go slower when router is connected to network

Before I ask, I realize the different hardware might be at play but I did some other tests that make me think its not the hardware and I wanted to ask to see if maybe there is something else going on. ...
0
votes
0answers
13 views

Public access to VMs in NAT mode VirtualBox

I am trying to make a vm publicly accessible and it seems I am missing something obvious. Since I do not have any control on the router, I choose NAT with port forwarding. Here are my rules: NIC 1: ...
0
votes
1answer
26 views

Docker: host grabs ICMP packets (Strongswan IPsec)

These machines are Docker containers with strongswan installed running IPsec tunnels. routeur1 and routeur2 have a site-to-site IPsec tunnel, while pc-nomad have a IPsec tunnel with routeur1. ...
0
votes
0answers
23 views

Debian won't connect to my network

I am trying to connect to my home network with Debian 9, but it doesn't usually work. I connected to the network via Ethernet a couple of times after I installed the OS, and everything worked, but I ...
0
votes
1answer
18 views

NAS setup help w/ home

so I'm not super experienced with Networking, so I may have already committed some Faux-pas in my setup, so please bear with me; I have a HDD connected to my modem (TC8715) that I'd like to use as a ...
0
votes
0answers
9 views

Win10: How to force VPN yet allow home NAS connection?

I read @Moab excellent reply on how to force VPN connect on Win10 but I'd like to also have this new PC [bought only for VPN downloading] to be able to xfer the downloaded file to my home NAS drive. ...
0
votes
2answers
20 views

Windows virtual ethernet adapter send packets to software

I'm looking for a way to emulate a network adapter on windows and be able to use the packets in a program. The program will then send them over alternate means. I just need to create a virtual network ...
0
votes
1answer
15 views

allow other networks to connect to my computer through the internet

I am trying to create a virtual machine with virtualBox which can be accessed from other networks. I explain myself more; I have an application in my virtual machine and I want that from another team ...
0
votes
0answers
7 views

How to export 802.1x WLAN configuration from a device to another device?

I've a Windows machine that connects to WLAN using 802.1x. I want to use 802.1x with another machine to let it connect to WLAN too. I've always thought it was as easy as exporting a WLAN profile and ...
0
votes
0answers
23 views

SSH Tunnel Public >Linux> Windows

i tried to so something i got an error. i will try my best to explain this : Any Public IP > Router(port 5555 to internal 192.168.1.5 linux) > Linux (ssh -L 5555:localhost:3389 -N -o GatewayPorts=yes ...
0
votes
0answers
27 views

Network not working properly [on hold]

I have been reconfiguring a network for a small business and I can't get everything working right. We had a watchguard firebox that we lost the login to and had to reset resulting in everything having ...
0
votes
0answers
9 views

libcurl not upgrading POST requests to HTTP/2 on OpenWrt

When I compile an OpenWrt image with make menuconfig, I am checking the libcurl box and then checking the box to add HTTP/2 support, and making sure that the nghttp2 library is also checked. In my ...
1
vote
1answer
51 views

How does Windows 10 determine it has access to Internet?

There is a question about how Windows 7 checks for Internet connectivity (which leads to a SU blog article). I have a Windows 10 machine which currently displays But: I do have internet access (...
0
votes
0answers
20 views

What does the connection icon actually indicates?

My Windows 10 machine has an icon in the status bar which is linked to its network connectivity: It can be either the one above (which suggests a Wi-Fi connection) or in the form of a "desktop", ...
0
votes
1answer
30 views

vpn - How to chain two OpenVPN servers

I know there are plenty of questions on Super User about this topic already out there, but all of them are for more advanced users, or they are unclear to me. I found on Reddit that you supposedly ...
0
votes
1answer
29 views

The path of the file that contains the IP address in mac

where can I find the file that contains the IP address of the DNS server that i use in my mac? I tried the folder /Network but there is nothing in it.
0
votes
2answers
82 views

Can gigabit ethernet theoretically be faster than 10/100 megabit ethernet for a lot of small packets?

A software vendor I work with requires gigabit ethernet connections for a classical client-server software setup. To my surprised question why they would need to transfer such a large amount of data ...
1
vote
0answers
21 views

Modern SMB/CIFS usage in Linux with support for standby and reconnections

For years, I've been using CIFS by mounting the shares with mount -t cifs. This is what I still tend to use, because it allows me to mount specific shares without having to run a network discovery. ...
0
votes
0answers
52 views

Can't ping www.google.com or other domains centos 7

So I'm currently using a VSphere for a virtual network and I'm currently trying to set up a centos 7 sever to be able to connect to the internet. Static ip Configuration: ip -a results: I able able ...
0
votes
1answer
55 views

Why is my wifi not working on Debian?

I recently purchased a Lenovo Flex 14 (this one) and installed Debian 9.2.0 on it. Unfortunately, upon booting into the new system, I discovered that the wifi was not working. lspci -nn shows that ...