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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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Add ip link devices concurrently

I need to add/delete ip link devices like bridge and tunnels concurrently with low latency. Currently adding a tunnel, a bridge and connecting them at 5 TPS turns to be in seconds if some devices are getting deleted in parallel. I use commands sudo…
Prashant Singh
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Seeing my public IP when doing ipconfig command

A bit convoluted question, but i'll do my best to explain the situation. I have an ISP issued router/modem. But whenever I check for my IP address on my PC, i get my public address. Furthermore, with any network scanning software, I can basically…
I_never_did_start_the_fire
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Why can I access my website external to my network by IP but not URL?

I'm having an issue accessing my website (heatcool.com) from outside of my network by URL. Server Environment: Windows Server Here's what I know: 1) I CAN access within my network by IPV4 IP, Public IP and URL 2) I CAN access from outside my…
dentalhero
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How do I get a server to host a private network

I am trying to set up a private network. Box A is connects to a router which is connected to the internet, is a webserver, and is also the router for a private network. Box A is wireless connections only. Boxes B+ and devices A+ are all supposed to…
bulletgirl22
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Is there a way to reserve a tcp port for an executable on a Linux Server?

I am designing a security policy for a server program on Linux. I wish to reserve a tcp port number-say 8888, to and only to that executable of the program to listen to. Then I could turn the program files as r-x in nosudo user and allow only the…
George Y
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Migrate server from 2008 to 2016 - Maintain same Hostname and IP

I have a server, DHCP1 running on Windows Server 2008 and I want to migrate it to Windows Server 2016 without downtime to the DHCP service. My problem is that I have to maintain the same hostnames and IP Addresses for the 2016 server. So I’ll have…
Selvakumar
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Usb Wireless Adapter wrong ip address

I am Using Fedora (fc25.x86_64) . The Wireless adapter (MT7601U Wireless Adapter 802.11n) connects to the Wireless WiFi successfully but no internet connection is got. I noticed that the wireless device is not assigned with the proper ip…
MRTgang
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Windows accepts a route to a subset of the LAN. Normal?

My laptop's Ethernet NIC has this IP address : 10.0.100.42/16 I noticed that I can add a route to 10.0.115.1/24 (a subset of the laptop subnet) to an external subnet: route add 10.0.115.1 mask 255.255.255.0 10.125.3.4 Since this is a subnet of the…
Serge Wautier
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Fail2ban incorrectly banning matched IP

I have a very simple filter that does the following: [nginx-node] failregex = ^ -.*(socket.io).* I can see that there are clear matches: grep 'socket.io' /var/log/nginx/example.com.access.log 121.172.15.179 1.866 - [19/Mar/2019:07:28:24…
xtremetom
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My 2 PCs got same MAC addresses, how to fix?

I have several PCs in my small shop, are connected as a LAN. I really don’t what this happened but today I noticed that one of PC’s softwares (teamspeak) cannot connect to other PC which runs a team speak server. I also got similar issue with some…
FlashPoint
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No internet connection on the VPSs created using Virtualizor (KVM)

I installed Virtualizor and KVM virtualization to be able to host multiple VPS servers on my dedicated server. My server provider said that my IP information are: Netmask: 255.255.255.255 Gateway: 10.255.255.1 Before completing.. my dedicated…
gave
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Connect three subnets in a star, and have middle router connect to main network

Here is my test network I'm trying to setup so Router A's Windows computer (192.168.1.2) can communicate with Router C's Windows computer (192.168.3.2): Test schematic Ping would be nice to start, but I also need DNS so I can just enter the name of…
JeffR
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Ping to local machine going through the gateway

I have a local machine (printer) on a network with a /29 class of service and when I ping the private address (10.1.10.97) locally I get a response like: From x.x.x.x (gateway address) Redirect Host (New nexthop: 10.1.10.97) 64 bytes from…
Tyler Durden
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How to hide web server IP?

We have a Windows server with 100+ websites hosted on it. Some tools like whoishostingthis.com provide hosting provider's name and tools like domaintools.com provide domain names of websites hosted on a specific IP using reverse IP feature. What we…
jacob wilson
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Multiple IP on a single server

I am configuring a Squid server that has an additional /24 block of IP. However that provider gave me an IP block that has a different subnet from my server. I have read up on interface aliases that allows you to add multiple IP addresses to a…
multipleip
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