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23.905 networking questions.

A few days ago I changed my ISP (to T-mobile, because it's currently the only possibility). The stable speeds are: 150Mb/s download, ~34Mb/s upload. I tried to upload a single 2GB file to my VPS (...

I am running dedicated server with few KVM VMs on it. I had success in the past getting separate public IPv4 address attached to one VM using macvtap driver and it works just like totally independent ...

What is the significance of the prio option in ip rule add/del command? Does a higher priority for a rule give it preference over other rules in the table? I saw this piece of code online, without ...

I have a Ubee cable modem (DOCSIS 3.0) which also serves as a wired/wireless router and DHCP server. I have devices which are on the LAN and receiving addresses from the Ubee that I can't ping from ...

As the admin/owner of a D-Link router eg DIR-655, is there a way to temporarily disconnect a WiFi client, without rebooting the router and thereby interrupting other client connections? In question D-...

I have a TP-Link TL–WN725N Nano USB Wi-Fi adapter. A few days ago, it used to work perfectly. We moved to another house, transferred our desktop PC to our new house. In our new house we put the PC ...

I'm using windows 10 Enterprise (64-bit) and I set its firewall to block all inbound and outbound connections so I can choose which app will access to network by creating those rules in my firewall. I ...

I am trying to set up an Ubuntu 17.10 VM to use multiple VPN connections, and to load balance connections between them. I am trying to do that by running multiple openvpn clients, and trying to mark ...

I wanted to make a Webcam LAN just like ipCam but this time through pc-pc LAN. Example, PC1 has a webcam, PC2 able to view/use PC1's webcam, PC1 and PC2 are connected via LAN. Why I'm using this ways?...

I'm re-using a wifi router as a switch for my network, but it seems I have severe problems getting the IP address from the DHCP server. This is the topology: I have a netgear router connecting to my ...

Everytime my router connect to internet I am finding in my router's firewall log intrusion warnings. Could you please explain what it means? Is it actually someone hacking my router or is that ...

i would like to know how to disconnect a persons computer from a local network when i have admin priviliges on the modem, the computer i wish to disconnect is connected to the modem by a LAN cable, im ...

How can I stream cast my laptop (running Windows 8.1) screen to a Samsung TV? Provided: TV is connected to LAN over wire (it is not wireless) Laptop is also over the same LAN but wireless ...

I am trying to figure out what is going on here as I am unable to connect to a VPN most of the time. I am using FrootVPN on the OpenVPN protocol. I used this guide to set it up. It is entirely ran ...

I'm the tech guy in my family and I'm moving out soon, but still want to have remote access to the family network to help them with tech difficulties (ssh into servers, vnc, etc). The problem is that ...

I have a computer running Windows 7 that shares a Git repo on drive D. Let's call this PC "win7". This repo is the origin of a project that we push to and pull from. The network is a wireless network....

I am facing some trouble while setting up Bluetooth PAN communication between our reference board (which act as Server) and Ubuntu system (which act as Client). Below is the error I am getting when ...

I booted up a Docker container with docker-compose up and it has created 7 new network interfaces. These are all appearing in gkrellm. Unfortunately each time Docker starts up, it creates new random ...

I'm trying to create ssh connection between devices on the same network, I have say Device A, B, C, and D. device A, B,and C are dell laptops having windows 10 install on them while device D is an ...

Is it possible to have a task wait for networking to be ready before running? The only networking related option that I see is "Start only if the following network connection is available", which ...

I have a local network of computers and occasionally, after a restart, a computer gets a new IPv6 address that is not a link-local address (i.e. it doesn't start with fe80). This causes the computer's ...

My setup: MacOS host (High Sierra 10.13.3) Linux guest (Ubuntu 16.04) Virtual Box 5.2.12 NAT networking I need to talk from host to guest and from guest to internet. The guest gets an IP address of ...

In the past I have been able to ssh into the pi easily but a couple of days ago I could no longer find the pi ip address in the router page. I made a fresh install of raspbian and plugged it into a ...

Does the task "Adobe Flash Player Updater" ( this task gets in the PC when Flash player is installed and runs by default each hour Task Scheduler C:\Winnt\Tasks). might be the cause of local ...

I want to rename on Fedora 22 a network interface managed by systemd-networkd (version 219) from the system-assigned name enp2s0 into wan. For that I created the following file /etc/systemd/network/80-...

Here is information that I think may be useful to diagnose what's wrong with my settings. I have a WiFi router, to which a Mac (M1), a Mac (M2), and a Windows PC (W) are connected via wireless, and a ...

I'm using VMWare Workstation 11 (Ubuntu 15.04 Guest, Windows 8.1 Host) and bridged networking is operating fine on my home network; however, when I try using the same configuration on my work network ...

I have an ISC DHCPv6 server running on a debian (Stretch) machine and 3 physical networks : net1, net2 & net3 . The router is a Debian machine running the Zebra routing software (See picture below)...

I'm trying to set up a development sandbox on a Hyper-V VM, but I'm facing issues when I turn a VPN on my host desktop. Since the Fall Creators Update, Hyper-V with the Default Switch things got a ...

I'm looking for a way to use at the same time wired and wireless interfaces. My situation: 1 Gbit ethernet interface (10.100.x.x) 1 WiFi 802.11 b/g/n interface (192.168.x.x) The PC is part of a ...

I have a centOS 7 server with Squid installed as transparent proxy in it and it's doing a great job. The only problem that I am having is that it's keeping log of my CRM as well which generates one ...

I am looking forward to use SFP port (not SFP+). Right now I understand there are 4 types of module. Single Mode SFP Multi-Mode SFP Single Mode SFP (BiDi) Multi-Mode SFP (BiDi) For all of these ...

Test question - mikrotik In MikroTik RouterOS, Layer-3 communication between 2 hosts can be achieved by using an address subnet. Which one of those "/29" "/30" "/31" "/32"? Why? I understand ...

The following environment is given (of course the ip and the domain name are fake): domain example.com a-record example.com resolves to 1.1.1.1 wildcard entry in public dns for that domain is in ...

I was doing a bit of scanning on my network lately, knew all the hostnames to each computer connected. But whilst pinging one of them ping returned Request timed out.. This is strange as I know the ...

On a DD-WRT router, I have configured OpenVPN as a server to host my own VPN and I have configured DNSMasq correctly for local hostname resolution (i.e. DNS lookups). I want to bridge these components ...

I've set up what was previously my primary router as a wireless repeater using the OpenWRT relay configuration guide. It now connects to a new ISP provided router which is connected to the Internet. ...

I have a l2tp vpn server set up and I am trying to access services running on port 9090 via 192.168.67.14. I can access port 80 but I get connection refused when I try any other port. I have disabled ...

When I work from home, I am connected to the resources in my company via VPN. In my home network there is a network printer in the same local network. The problem is that when I open VPN to my ...

In windows firewall there got two options, one if for private network, and the other is for public network. As I am using CCProxy for my local network and it is suggesting to turn off firewall for ...

There are some similar questions, but none of them comprehensively address all the possibilities of spying as I will try to. I'm fairly sure my spouse has arranged some method of spying mainly on my ...

How can I selectively tunnel by application in Gnome using a remote OpenVPN server or use the arbitrary application's built-in SOCKS5 proxy support to connect to a local "translation" server that ...

I have a Windows 7 computer connected to a Verizon T1114 router. This router allows me to get a new IP address at will simply by logging into the router and rebooting it, since this router is ...

I'm currently studying routing and in a few days I'll have a test about it. On my coursebook there's this exercise: A router has the following routing table and the following configuration of ...

I'm reading about DNS cache and particularly about ipconfig /flushdns command. There are many resources out there - QA, blogs, sites - that explain what is DNS cache but none of them say where DNS ...

I have a Windows 7 computer connected to a Verizon T1114 router. This router allows me to get a new IP address at will simply by logging into the router and rebooting it, since this router is ...

I am running Kali 2.0 (Kali sana) and I have a problem with NMAP, it everytime says that host is down when I scan it (even myself with firewall off)... When I try online nmap (https://pentest-tools....

I have three computers in the network. One of them was Windows 8.1 and recently upgraded to Windows 10. When this computer is turned on and it connects to internet, most times it causes router to ...

Is it possible to use nc as an HTTP proxy? I'm hoping to use nc on a VPS as an HTTP proxy and configure my browser to use the netcat server. Is this possible? A few results for googleing "netcat http ...

I have a Lenovo Yoga 370, type 20JH. I'm having issues with the 4G connectivity. I've put my sim card in (which is on a 4G contract). I then look on the list of wireless networks available, and there ...

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