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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What is the difference between the private addresses on eth0 and eth1 on Digital Ocean?
Here is the output of command ip a on my Digital Ocean server:
root@ubuntu-s-1vcpu-1gb-blr1-01:~# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
...
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Script to reassign floating IP address to my other machine running Ubuntu
I have a floating IP(X.X.X.191) assigned to the machine (Y.Y.Y.106) currently running ubuntu. Now I want the same floating IP to be assigned to my other droplet(Z.Z.Z.252).
On digital ocean I can do ...
- 111
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Binding multiple IP on single listen throws error in HAProxy
I have a LB which is redirecting request in a round robin mechanism to my 4 servers configured.
I have assigned a floating IP address(LOADBALANCERFLOATINGIPADDRESS) to the machine. Now I want my LB to ...
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403 Forbidden on initial load after installing NextCloudPi
I am making this post mostly for awareness in case anyone else is having a similar issue.
Story
I am running nextcloudpi (nextcloudpi.ownyourbits.com) on a Raspberry Pi 4 8GB using the Debian Buster ...
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Internal IP is use by HTTP internal load balance, but IP address show "none"
I created an Internal HTTP Load balance by the code below.
I can see Internal HTTP Load balance is running with internal IP(var.my_iip)
But in VPC network > IP addresses, the "in use by" ...
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3
answers
103
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Why would you use 192.168.0.0/16 over 10.0.0.0/8 [closed]
Most home networks use 192.168.x.0/24. I wonder why this range even exists. You could as well use 10.x.x.0/24 or something like that. So why did they waste the entire 192.168 range for private ...
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Assigning a Public IPv4 automatically to every KVM VM thats being created?
Im wondering how would i go on about assigning a public ipv4 to each vm thats being created.
Setup :
Host Server with 3 IPs on CentOS8
using libvirt and kvm to virtualize
Bridge br0 using eth0 as ...
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1
answer
30
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Prevent Windows Server 2019 with static IP from detecting new networks?
we've got some Windows Server 2019 VMs running on XCP-NG. They are configured with static IP addresses. We have two VM hosts: a primary site and a backup site. Our network admin has created a VLAN ...
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2
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Do routers need to have assigne IP from given VLAN to foward VLAN packages?
(sorry for my basic question but I had noone to ask)
Does routers/smart-switches that foward/pass vlan packets inside same network need to have assign IP from that given VLAN that they foward packets (...
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I Could not ping or curl master node flannel interface
I have 3 nodes in the cluster, one is the master node and two are the worker nodes. I use CNI flannel for the Kubernetes cluster. I run an Nginx ingress in my cluster for the load balancer and the ...
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63
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Nginx - If IP then proxy_pass else return 403
I am trying to proxy_pass users with certain IPs to http://server1 and certain other users to http://server2. I'd like to return 403 if the user doesn't match any IP.
Here's what I have:
geo $...
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48
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Discover IP address of the device knowing only MAC address
While "wiresharking" the network, You may come across packets that looks like
THIS
eth.src to eth.dst (mainly colored white).. sometimes Wireshark recognize protocol LLC, NDP etc..
but ...
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Can I hide domain.tld for a specific subfolder and show IP:PORT instead (Caddy webserver)?
I use my personal website when testing web applications before they are mature enough to go in production on a dedicated server/website (distinct from my own). I am not a professional though, these ...
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Best way to route traffic based on logged in user via specific redundant route?
I have an Ubuntu 20.04 machine with 2 ethernet interfaces with 2 IP addresses each. It's an AWS EC2 instance and each of the 4 IP addresses has an EIP attached to it via NAT. Both interfaces connect ...
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Managing Firewall Rules for Azure Analysis Services
My customer (a legal firm) has an Azure Analysis Services database. Access to the model is tightly controlled to prevent leakage of confidential data. Employees who need to access the model whilst ...
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Server changes Domain Name to IP in address bar
I'm no server guru so looking for some assistance. I am hosting a laravel project on a digital ocean droplet, and pointing a subdomain registered at godaddy to said droplet. The address bar is ...
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How can I disable IP forwarding from IPv6 toIPv4
I have IPv4 and ipv6 addresses on my network card, when I send a request with curl I want only the respective IPv4 or IPv6 to be used and no fallback e.g. When IPv6 to IPv4 takes place.
curl --...
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how can I switch between ip addresses
How can I switch between IP addresses on Ubuntu 18.4. My network card has several IP addresses. How can I, for example, change my IP address automatically every 10 seconds?
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How to assign ipv6 address to the secondary vnic in oracle cloud
Running OS Ubuntu 18.4
How can i assign ipv6 address to the secondary vnic, to the primary vnic i can assign to the primary vnic and curl trough but in the secondary it not work. I assign secondary ...
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What exactly is a floating IP and how does it work?
I am setting up a high availability load balancer. I found this tutorial from Digital Ocean which says that two load balancers can share a common floating IP.
https://docs.digitalocean.com/products/...
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How to add static IPv6 in Oracle cloud
I am running OS Ubuntu 18.4.
I will add static ipv6 address with netplan in Oracle cloud my netplan yaml file looks like this:
network:
version: 2
renderer: networkd
ethernets:
enp0s3:
...
- 11
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How to switch between multiple ip addresses [duplicate]
As an example, I have 2 IP addresses on my NIC:
enp0s3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 9000 qdisc mq state UP group default qlen 1000
link/ether 02:00:17:06:ac:05 brd ff:ff:ff:ff:ff:ff
...
- 11
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Security issues with configuring default IP address(0.0.0.0) to ethernet interface
In our linux embedded application we would like to keep available ports up and running and assigning with 0.0.0.0 IP address. In short we will be executing all ports with ifconfig ethX 0.0.0.0, and ...
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1
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Cannot assign a previously used static IP address to an OpenVPN client
We have an OpenVPN server 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.key
topology subnet
...
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29
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Connecting to Google Cloud MySql DB with a changing IP address
I connect to a Google Cloud MySql db from my laptop, however my IP address not only changes at home, but also when I travel. I have to specify the allowed public ip address in Google Cloud, but every ...
google-cloud-platform
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29
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Equivalent of postrouting every nth Windows server
I'll preface this by saying that I do not have much experience with Windows servers.
I am wondering if there is a Windows equivalent of iptables rules for postrouting every nth request to a different ...
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How to get OpenVPN client's public IP when it connects to the server?
I need to know the public IP (aka ISP's IP) of a client when it connects to my server. I tried learn-address script but it does not provide real IP.
Currently it is possible to get it from OpenVPN log ...
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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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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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2
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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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2
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701
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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 ...
user549144
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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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50
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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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1
answer
53
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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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178
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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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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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134
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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 ...
