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Questions tagged [ip]

IP - Internet Protocol, the most commonly-used set of rules for dispatching data across a large computer network.

IP (Internet Protocol) is a protocol which encapsulates data for transit across the Internet and encodes its source and destination addresses, among other parameters. It implements the network layer (layer 3) of the OSI model.

Questions related to IP (addressing, routing, and protocol issues) fall under this tag; questions merely containing an IP address do not.

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EC2 multiple instances fixed IP

I am new to AWS and I have a question. I want to host a website on two EC2 instances. From what I read, if I stop the EC2 instance the public IP will change. In my case, Route 53 should route traffic to load balancer. How can I configure my load…
Ahmed
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How does traffic traversing a proxy appear to the outside?

If I am setting up a proxy, does traffic that goes to it and out to the internet have the source IP address of the client or the IP address of the proxy? I need to set up a network so that the proxy cannot be bypassed. I think it would be better if…
AvidPontoon
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Using VPN to be accessible from internet

I am using a paid VPS for hosting game servers. My internet provider is providing me with dynamic IP's not accessible from internet (Nobody can see me - I am behind his internal NAT) Is it possible to connect my PC to the VPN on the VPS and "get…
ffredyk
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Network interface resolving with 0.0.0.0

As I understand 0.0.0.0 means all network interfaces of this host (including 127.0.0.1). Suppose I have three interfaces 192.0.2.40, 203.0.113.150 and 127.0.0.1 on server (OS linux). On 192.0.2.40:777, I have ServerA. On 203.0.113.150:777, I have…
Pavel_K
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Linux netns: run different commands with different IP's on one physical interface

I have a Debian Stretch VPS with 4 IPv4 addresses. I want to run several programs, binding them to specific IP addresses (To make outgoing HTTP requests from different IP's). So for example command ~$ curl icanhazip.com would output specific…
Egor
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How do I safely assign public IP addresses to my servers (Colocation)

I'm getting a /27 of IPv4 addresses assigned to my rack and I want to assign one IP address to each server. I have a HP 2510G switch. Would it be possible to use Centos as a router to assign an IP address to each port on the switch? I want this so…
Geo
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Ningx server name automatically on own IP

I have to start multiple nginx servers, how can i make a sites-enabled with the server to automatically listen on the server own ip? Like if i can call this_ip in this example server { listen 80; server_name $this_ip; …
Pjotr Raskolnikov
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Packets routed through wrong interface

This is a follow up on ip rule shouldn't beat ip route. I've configured everything as per my last question. But... Running: $ ip route get 10.10.10.10 from 10.0.0.13 iif test-interface 10.10.10.10 from 10.0.0.13 via 10.10.10.1 dev eth1 cache iif…
Kasper Nielsen
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IP Helper address on same VLAN with Cisco

Is it a good habit to use a ip helper address on Cisco, or any similar ip helper, when the DHCP is on the same subnet as the client/server.
Tolsadus
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What IP addresses are included in a subnet "range"?

I'd like some help understanding subnets (CIDR). I'm using a tool to check if an IP is in an acceptable range given a CIDR address. When I input an IP address (12.245.105.190) and check it against the same address with a subnet mask…
Isaac Lubow
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Obtaining IP of device without accessing Router Interface

I initially posted this question in StackOverflow but I feel it may be more appropriate here. I have an Orange Pi Zero, which I have flashed Raspbian on. It does not have HDMI, so I need to connect to it via Putty (or a similar program). The…
user8951490
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VPN on cloud - IP cameras

Is it possible to have VPN for example on OceanCloud or AWS and make it work as local VPN? I have 3 security cameras on 3 different lacations which doesn't have public IP adresses and one NAS server on different location too, client is somewhere…
Martin Hetfield Mali
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windows 10 - firewall IP based rules

I have a long list of IP ranges which I want to whitelist in windows firewall. I've found how to add a single range, but typing one range at a time will be very hard. Is there a way to import a list of IP ranges (from a file, or just copy paste),…
user3599803
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Display domain name instead of IP when using Nginx + Gunicorn + Django

I am building a server on Ubuntu using Nginx + Gunicorn + Django. I have a domain name registered with godaddy that redirects to the IP of the server. The Nginx configuration looks like this: server { listen 80 default_server; …
Florian Dietz
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How to route an IP connection from a network card adapter to a PORT in another card adapter in windows

I've got an industrial PC running Windows Embedded with two network card adapters. One of the cards, let's say card1, is connected to a switch in which there are a few IP cameras connected and some others IP peripherals conforming a private net. The…
GonzaloSipel
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