Questions tagged [internet]
The Internet is a global system of interconnected computer networks that use the standard Internet protocol suite (often called TCP/IP, although not all protocols use TCP) to serve billions of users worldwide. It is a network of networks that consists of millions of private, public, academic, business, and government networks, of local to global scope, that are linked by a broad array of electronic, wireless and optical networking technologies.
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Unable to Connect WordPress Domain with Hosting
Hello fellow forum members,
I am encountering a perplexing issue while attempting to connect my WordPress domain with my hosting provider on my Intel Evo[https://www.lenovo.com/gb/en/faqs/intel-evo/] ...
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2
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Lowering latency to distant endpoint
I need the lowest possible latency from Bulgaria to Korea.
From what I understand, as an individual there is not much I can do to choose which physical cable my internet traffic travels on across ...
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1
answer
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How to disable automatic network connection on windows startup?
So in Linux you need to manually run some commands or write config files to connect to the network. Before these steps you can use the system perfectly fine without a connection. Is something like ...
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EC2 server losses internet connection and application fails to send email, sms and even yum updates
I have 5 EC2 servers in the same VPC and all of a sudden yesterday, all of my applications started failing to send email and sms. So I tried doing git pull of my project it also timed out. Then tried ...
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How to monitor backbone link for bandwidth problems?
Is it possible to monitor the performance of specific internet backbone links, without special access? Or are there any maps or reports publicly available to show the current health of such links?
I ...
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How to diagnose frequent internet disconnection issue?
We are a small team where we have a internet lease line of 50Mbps from our office space provider (they won't allow other internet providers). We have one Ethernet cable coming from them which is ...
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SSH connection sometimes works other no from WIN10 client to linux server
I'm trying to connect in ssh on port 22 (with client putty,mobaxterm..) on a remote machine with Linux, the connection sometimes works and other no. My pc run on win10 and if I try on cmd the command ...
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Internet access problems on subnet
Hello Server Fault friends!
I have a question that I believe should be easy to answer for someone who really gets how a typical subnet should be configured with a router such as PFSense.
My Problem: I ...
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How do you prove RFC 791 - Internet Protocol
We are being asked to prove we are using RFC 791 (Internet Protocol) within our network. How does one prove such a thing via documentation if there is no such document from the vendor stating as much....
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How does DNS work with websites that have large traffic and multiple servers? [closed]
Based on what I learned from CS50x, each computer on the internet has its own unique public IP address. Some computers are used on the client-side to access websites, while other computers are used as ...
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Connecting iPad Pro to the internet via Ethernet
Okay, so you would think my client wanting to get an iPad online via ethernet would be simple and straight-forward way for me to earn $20. When I arrived, this is the setup I found:
The iPad Pro (...
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4
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Why do our network does not have internet when adding a route?
We have 2 Networks.
The first is an OpenVPN server with the Network 10.170
The second is a Gateway-Server for our laptops, printers etc. on Network 10.133.10.1
It haves the OpenVPN-IP 10.170.0.19
The ...
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WireGuard in routing mode rather than NAT mode (AWS)
I have been trying to get this working for a long time and finally decided I would join serverfault in hope that someone can help before I lose my mind.
Current setup:
Users connect into the AWS ...
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Mikrotik CCR1009 ROS 7 dual WAN configuration
i have a CCR1009 (ROS 7.2.3) configured with the COMBO port as WAN_1 and the eth1 to eth5 ports as LAN, VOIP, and 3 SERVER with different subnets.
The ISP is fastweb (mixed fiber 100/100) which ...
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How to enable Internet Sharing (ICS) in Windows Server 2012 R2 VPS?
I have a VPS running in Windows Server 2012 R2. It has one ethernet connection which is a Hyper-V Network Adapter and there is no internet sharing option on it's right click properties. How do I ...
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Specify different broadcast IPs for different Windows machines [closed]
I run some high-frequency trading software from home across multiple accounts. Sometimes during very volatile conditions, I run into issues with rate limits restricted by IP address.
I was assuming I ...
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RDP crashes when another user is logged in
I've been experiecing a problem lately with RDP. The situation:
I have 2 accounts on my Win10 Pro machine. A personal one and one for work.
I use RDP to connect to my personal account but RDP crashes ...
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TCP DUP ACK/Out-of-Order/Previous segment not captured/Retransmission flooded on wireshark logs
Due to slow network, I installed wireshark on the device(laptop) to find this
This is a log of the device using internet(Downloading a file),as you can see at the right end of the screenshot, the ...
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1
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Which ICMP types (v4/v6) should not be blocked?
I have made a lot of research into this and have found that some references contradict each other.
IPV6
For example RFC4890 says the following types should be allowed for optimal functionality:
Type ...
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BIND9 server for a network with no internet access
The question I have is the same as this one, but the accepted answer, and the comments did not helped me solve my issue.
I'll put here the whole setup that I have.
BIND9 version - BIND 9.11.5-P4-5.1+...
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Why does facebook only have 2 IP addresses? [closed]
In the process of setting up DNS for my own website I got curious about looking up a large company's DNS record. I chose facebook.com and used dnschecker.org to view their dns record.
Ignoring AAAA ...
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Are their public IP ranges which don't belong to any country?
I've been working on project and we use IP geo-location using an API to identify user's country. The legacy code has an edge case when there is no country information for a particular IP. I have been ...
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Static IP - Destination Host Unreachable
I'm a newbie to system administration. I've installed remotely a Dell server using iDRAC interface. Server's ip is 200.159.243.146 and everything is fine with it.
Using this interface I've installed ...
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How medium-sized servers are connected to the internet?
I'm curious about how the servers are connected to the internet. Suppose I develop a web application that requires multiple machines to provide services. For example, I want to host the frontend on a ...
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Load Balancing - Dual WAN and Static IP
I run a small business and we use a lot of AWS services (including transcoding large files) we have two internet services in the office.
A) Is a business broadband service with static IP,
B) Is ...
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1
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725
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Windows 10 multiple Ethernet connections with one being connected to the internet but PC doesnt connect to the internet [closed]
I have a win10 machine in a rural area with no ability to connect to a private network.
The computer is used to track measurements of specific sensors which are connected with ethernet to the computer....
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1
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687
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Outbound Internet Connectivity for VMs on Azure: Virtual Network (with Default Config) vs NAT Gateway
I'm running some VMs on Azure inside of a Virtual Network that I manually configured. For the most part, these VMs just run unattended and if I ever need remote access to them, I just assign a public ...
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1
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Observing conflict on VPN when multiple users on same network attempt to connect and access EC2 Instance behind security group
We have external services that are behind an Amazon EC2 security group, users connect to a VPN (this is supplied and maintained by a third party) so that they are given an IP that is consistent over ...
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Is it feasible for a mobile app like a peer to peer torrent app to discover peers via Internet, not just direct Wifi? [closed]
If I create an app that will be installed on different devices (Windows, Android, Apple).
Different devices will be connected to Internet via different ISPs. Mostly devices will have changing dynamic ...
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Do modems have public address? [closed]
I know for a fact that when we are connected to Wi-Fi and we search something in the Internet, the server we are requesting from will return the files to our IP address and this IP address is the ...
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Internet goes down when someone access our URL?
Setup: Have a metal server in our office closet, host OS is windows 10. It hosts 4 VMs, one of which is an internet facing application and accessible via URL. The server has 2 network cards, the first ...
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Internet speed required to use Microsoft Teams from Japan to the USA [closed]
I really hope this is the right place to ask (this is my first question here so please go easy).
I have a great opportunity to go to work remotely (HR signed off on it) from Japan. I have a place to ...
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How to set-up a secondary/redundancy LTE internet connection?
We're a small-medium office in Vancouver Canada, and we're looking to set-up a secondary/redundancy LTE internet connection. We're looking at purchasing the Unifi Dream Machine Pro to solve this issue,...
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How to find the route that has internet connection and set it as default (lowest metric) with NetworkManager (Ubuntu)
~$ route
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
default 192.168.30.102 0.0.0.0 UG 100 0 0 eth0
default ...
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IPv4 Address Range Shortage Inquiry
Recently I was looking over RFC6890 (link here) to find out more about the current IP addressing schemes that are in place and noticed a rather large IP address range that is listed as "Reserved ...
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Where can I get outage updates/alerts for transoceanic cables (and other tier-1 fiber backbones)?
Is there some site that aggregates status updates from the companies that manage the transoceanic fiber cables so that I can get a world view of global internet outages that break connectivity between ...
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RRAS server in Azure - internet access
This question seems to have been asked before but I cannot get this to work no matter what I try. I have a Windows Server 2019 VM in Azure running RRAS. I have configured the server using SSTP and ...
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DHCP Server stops handing out leases
I currently have a DC running Windows Sever 2008 R2 (yes I know) and for the past two weeks, when employees travel back to the office, they can't connect to the internet unless I do one of two things.
...
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How can I easily (e.g. as easy as rsync or SCP) do a high speed (1gpbs) file upload over an Internet-latency link?
I recently asked a similar question about how to transfer large (many gigabyte to many tens of gigaytes) files over the Internet when latency is high. I got a great answer, but only for downloads. ...
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OpenVPN "redirect-gateway def1 bypass-dhcp" setting kills SSH access but is needed for internet access
I am running an OpenVPN server on Ubuntu on AWS with the following server.conf:
local x.x.x.x
port 1194
proto tcp
dev tap
ca ca.crt
cert server.crt
key server.key
dh dh.pem
auth SHA512
tls-crypt tc....
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Two or more hosts in traceroute answer
Hi I have strange behavior of a traceroute to one of my public IP's
In one of a line I have multiple hostnames with timing
like in the folowing example, on the 5th line
traceroute to dns.abc.com (111....
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RTNETLINK answers: No such device /Wireless card /kali linux
I've got an issue with alfa AWUS036NH. I cannot set it up. I get info : "No such device" or "Input/output error". I used command : "sudo ip link set wlan0 up" Kali version :5.5.0-kali1-amd64 release:...
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Can a server behind a load balancer get responses to its requests? [closed]
Assume there are two servers A, B that are behind a load balancer, for example, they could be two docker containers. If server A makes an HTTP GET request to some-site.com, it is possible that the ...
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How to responsibly discontinue receiving email at an old Internet domain?
My organization owns Internet domains that we no longer strongly use. Web requests typically simply redirect to our main corporate website, and except possibly as described below, there is no ...
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1
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i want to visualize myself about bandwidth of internet [closed]
as we know bandwidth is just a way through which data flows.20 Mbps internet means 20 mega bits per second and 40 Mbps means 40 mega bits per second.i guess 20 Mbps means 20 Mb of data is retrieved in ...
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Is it possible to know the location of an Anycast IP since they can be at multiple places at the same time?
With a Unicast IP we can know the geographical location of an IP address easily. But an Anycast IP address can be at multiple locations at the same time and depending on how close you are to the ...
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Internet packages went crazy
So... I have a router (wireless, ASUS RT-N18U), connected to 4 pcs via cable and 1 tablet wireless.
After I noticed some performance drops in my network speed, I checked the traffic manager. The ...
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VoIP phone only working in one direction
Ahoy friends.
Currently i got 2 networks connected via routing.
I got a VoIP device connected to one of the networks, to be routed to the other one.
Everything else is working on this configuration of ...
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How to determine whether an internet connection is wired or wireless?
I work in the IT department for the residential housing area at my university (network operations is separate from ours). I've wondered how is it that when someone registers a MAC address on our ...
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Are there good ways to transfer very large files (2TB) over the Atlantic?
My company regularly needs to send about 2TB of data from the US to the UK (the size of the compressed delta is 2TB). Even though each side has good internet connectivity, sending files directly is ...
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