Questions tagged [ip-address]

IP address is a numerical label assigned to each device participating in a computer network that uses IP for communication.

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Is there any way to allow a group of ip in the certain range to access my website?(Nginx)

Suppose, I want to allow access to my project for the IP falling between 192.168.1.1 and 192.168.1.40. Nginx example: stream { #... server { listen 12345; ...
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Azure outbound IP

In Azure, if I were to deploy a Virtual Machine it would "out of the box" have outbound internet connectivity. Is the assumption that the public IP, for the outbound connections of this ...
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Client IP is seen as router IP by server when requesting server using public IP/domain by same-network client

I have been struggling with the above question for countless hours and haven't been able to find an explanation for the behavior either on this site or any other site for that matter. Might be me ...
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Do computers have IP address? [closed]

Everywhere I search some people say 'a computer has a permanent IP address' and some people say 'it doesn't but has only when it is connected to the internet through a router'. So my understanding is ...
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Resolving Domain Name to Private IP AND Public IP Simultaneously [closed]

Background (Skip if not interested) I have a dev server running in my local network. I can reach it easily by private IP (192.168.2.4). I have my firewall ports open on the server for :80 so I can ...
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Why can't my internal IP addresses be granted access from IIS 10 IP Address and Domain Restrictions?

Why can't my internal IP addresses be granted access from IIS 10 IP Address and Domain Restrictions? Backstory: I have implemented IIS 10's IP Address and Domain Restrictions to block access to one ...
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47 views

OpenVPN server assigns same IP address (10.8.0.6) to all connected clients

I followed How To Set Up and Configure an OpenVPN Server on Ubuntu 20.04 to setup OpenVPN server. I noticed, when any clients connects to OpenVPN Server, each of them is getting same IP address: 10.8....
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can ping but not arping via OpenVPN

I'm working on a remote machine using OpenVPN at a customer's network. The IP addresses there change dynamically and (until they get hostnames to work properly which is not in my hands at this point) ...
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what kubernetes ip to give vendor to whitelist

have a java app on a Kubernetes cluster on IBM cloud that needs to make an outbound SOAP call to a third party vendor's app. This vendor's servers are protected by an IP whitelist. No matter what I do,...
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Location of authpriv.notice logs on Bitnami

I have a Bitnami server, Ubuntu Xenial, on AWS LightSail. I followed this tutorial to restrict SSH connections by country. This script ipfilter.sh filters IP addresses: #!/bin/bash # License: WTFPL # ...
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Do you need separate IP addresses for each nameserver for an EC2 webserver?

Do you need separate elastic IP addresses for each nameserver - say NS1, NS2 - for an EC2 webserver?
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How do I remove a HTTP header in Apache, if a certain IP access it?

How can I unset single/multiple HTTP headers when my website is accessed by a particular IP address? Because my CSP config blocks some local pages from loading properly. For example, if I have ...
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Add second IP as network interface in Ubuntu 18.04 (netplan)

I have one physical network interface (eth0) with two IP addressess (IPv4 & IPv6) on my dedicated server. I want to configure third IP as new (virtual) network interface for bounding it to Virtual ...
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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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Azure VM with only private ip that can surf internet?

In my past experience, VM with only private ip (no public ip) cannot surf internet. but today i create VM with only private ip. i run this command for check "Invoke-WebRequest -Uri https://google....
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Router interface IP addresses

My question may be very elementary and stupid but I'm having real trouble understanding what role ip addresses play when being assigned to a router interface. I think my misunderstanding may be in how ...
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44 views

How Can I Use the Iptables but Not Converting the Resource IP?

I want to deflect some IP address that we access using any tools (like nmap, medusa, etc) to the another IP Address. For more details: I have 2 IP Addresses, First IP Address is 192.168.1.7 and the ...
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HAProxy 1.5 - Show Server Name or IP Address in response while behind DNS

Basically exactly what the title is. I have haproxy fronting a server, and infront of that a DNS to provide a human readable name. I would like to setup haproxy to include either the responding ...
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Any way to join a server to Active Directory Domain by IP address in hostfile and not DNS?

To my knowledge their is no way to join a server to AD without the server being able to resolve the AD domain via DNS. Joining requires being able to get multiple records from DNS - including SRV ...
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Issues connecting to aws ec2 instance behind eip

I have an ec2 instance on which I'm running a dev server via parcel index.html --host 0.0.0.0 that ultimately listens on 0.0.0.0:1234. Before creating and associating an eip to my instance, I wanted ...
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How do you get the external ip-address from inside a running Pod in a Kubernetes cluster?

Some services require their external ip-address as provided by a loadbalancer-object like Metallb at runtime (say for example an LHOST or pasv_address). Let's say you have build an image based on ...
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Burpsuite not working with static ip address

I was trying to fix the issue I encountered in Burpsuite from last few days.The issue was that whenever I was using burpsuite proxy (interception OFF)it was showing an error :No route to host (Host ...
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Who assigns private IP addresses? [closed]

Suppose I have a router and a local network, can I freely assign my devices private IP addresses (as many as I want, up till there are no more private IP addresses left)? Who decides how many private ...
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WAP Assigns same IP addresses for 2 or more devices occasionally [closed]

I am new to being a sysadmin and am still learning so apologies if I say anything incorrect or flat out wrong. Where I work we have a wifi network consisting of several different WAPs that spread the ...
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Hot to get external host names for each internal private addresses?

My lab has a private network like this (public address: 133.3.133.133, host name: my.lab.host.name) lab-gateway (private address: 192.168.0.1) |__labgpu01 (private address: 192.168.0.3) |__labgpu02 ...
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How to selectively allow IP addresses to access my Nginx server hosted on Google Cloud - Compute engine. (Whitelisting)

I have an Ngnix server hosted on Google Cloud - Compute engine. I'm creating a public IP for this. However I want to allow requests from few IP addresses only which means I want to allow only few ...
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3answers
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Why does a domain resolve to private IP

While going through a domain in the format as mentioned below , I did host lookup using the host command and got a private ip address. auth-ns.auth-ns.workspace.agate.example.com host auth-ns.auth-ns....
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Private IPV4 address space usage statistics (Least Used)

I'm trying to avoid IP conflicts with wireguard VPN and would like to select the least used private IPV4 address block. Are there any statistics published on usage of private IPV4 address space? Or ...
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How to add IPV4 range to unmanaged server

I am really inexperienced with Linux and networking. I bought an unmanaged dedicated server running ubuntu 16.04. I am having problems with binding the ipv4/24 range with my dedicated server. How ...
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117 views

Non-standard IP address with dashes

I ran the who command on a shared NetBSD box, and this weird user IP came up: <redacted> pts/33 May 13 02:13 (XXX.XXX.XXX.XXX) <redacted> pts/35 May 12 20:59 (202-172-110-147-) <...
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Router using WAN IP address as source address, even when originating from other LAN devices

I switched to a new router (with less possible configuration) today, and now all packets sent to my server have the source address set to the router's WAN IP address. In other words, with this new ...
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IIS 10 how do I remove internal IP address from response headers

IIS 10 on Windows Server 2016. All current patches are installed. A recent PCI scan claims that the internal IP address of the server is being leaked in HTTP headers. Unfortunately, this scanning ...
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Why does my site domain server address say Index of and list my files?

I was contacted by one of my client's concerning the DNS issue,they had assigned someone, a task of developing the web portal and deploy it on remote server,however;when they try to check the domain ...
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582 views

Can't get certificate due to multiple IP addresses for subdomain

Please correct me if I am wrong, since I am a newbie to all things server. I have a website example.com hosted at host A. I want create subdomain sub.example.com on host B - EC2 instance in this ...
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1answer
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How do I get a distinctive IP Address? [closed]

I see Google has 8.8.8.8 and CloudFlare has 1.1.1.1. How do I get myself a distinctive IP address? What's involved in acquiring something that has a pattern in it?
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102 views

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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1answer
294 views

Windows not resolving local hostname to hosts file IP

I have a multi-homed Windows 10 and I want my application to open a Server Socket on a specific IP given by its hostname. My machine hostname is MY-PC and it has a public IP 192.0.0.2/24 and a "...
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100-1000 public IP addresses per instance in public cloud [closed]

I'd like to run an instance which can be accessed via 100-1000 different public addresses. It can be either IPv4 or IPv6. Is this possible to do in any public cloud currently? Preferably one of the ...
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Request an address from a range of IP-addresses using dhclient dhcp-requested-address

I am in a situation where I need myDevice (ubuntu), when connected to router, to have any IP address in the range of 192.168.1.20 to 192.168.1.40. I am aware that adding the line send dhcp-...
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1answer
121 views

Why IPv6 addresses are not represented as dotted-decimal like IPv4 [closed]

Maybe this is not a right place for this question, but I didn't find anything better for it. The text representation of IPv6 addresses defined in RFC 2373 states that the addresses should be ...
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What DNS Changes should I make?

I'm moving a website to a new server. But I only want to change where the website is pointing to. So basically example.com and www.example.com. I'm afraid if I change the A record for @, mail will ...
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Finding all Public IPv4 and IPv6 addresses in a UNIX shell script

For monitoring purposes, I'd like to find out all public IPv4 and IPv6 addresses of a mobile-warrior UNIX box. Note that this is different from Finding the Public IP address in a shell script because ...
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Loopback interfaces is not pinging on both pcs for packet tracer

I am trying to ping my isp ip address (aka loopback 1) and loopback 10 to PC1 and PC2. Whenever I ping both ip addresses and default gateway from pc1 to pc2 it works. However, when I'm trying to ping ...
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Finding Host Name / Computer Name over IP

I'm trying to find out how to lookup the HostName of a computer over IP using Command Prompt, however I don't need the registered DNS name. I'm attempting to do an IP/DNS Database Cleanup so finding ...
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Feasibility of having two independent subnetworks on interconnected switches

I have the following setup, using two standard cheap switches that are interconnected by a long Ethernet cable: |------ SWITCH #1 | [ ] Equipment with public IP 217.x.x.101 (subnet 217.x.x.96/29) | [ ...
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Apache 2.4 ErrorLogFormat - How to show client IP address? - %a is blank

It appears upgrading from Apache 2.2 to 2.4 changed the format of the errorlog file. Error logs used to show the remote client IP address. Apache 2.2 errorlog: [Thu Aug 29 08:28:46 2019] [error] [...
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GCP - Assigning Static External IPs on Marketplace Solutions

I'm having trouble assigning a static IP to a Google Cloud Platform Marketplace Deployment and thought someone here might have some insight. I have an unassigned static IP ready to go in the same ...
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Moved our web application server to a new machine with a new IP address, but some clients seem to have cached the old one

We moved our web application server (Windows & IIS) to a new machine with a new IP address. Updated all the DNS records to points correctly at the new server, and have ensured they have propagated ...
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Webserver (Apache/NGINX): Disabling connections / binding on IP address

I was wondering if I would be able to harden my Apache configuration in such a way it would only respond to one of it's actual vhost configuration (e.g. https://myhost.example.com/) and make it ...
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2answers
281 views

How To See All Private IP Addresses Being Used On A Network

my question is how can I determine all the private IP addresses being used in my company's network environment? I am an Internal Auditor validating my firm's device inventory. The firm uses a tool ...

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