Questions tagged [private-ip]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0 votes
0 answers
19 views

Private IP Address redirecting to DNS - content is not being loaded

I have followed below links: How do I run proper HTTPS on an Internal Network? getting Firefox/Chrome to trust your internal websites After executing steps from Second link, I am stuck at error ...
user avatar
0 votes
0 answers
35 views

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 ...
user avatar
0 votes
1 answer
123 views

Proxmox VE - problems in setting private network

I have recently bought a test dedicated server from to test proxmox. The installation went smoothly; however, I get stuck in the network configurations. My Use case- I want to create 8 LXC containers ...
user avatar
-1 votes
3 answers
116 views

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 ...
user avatar
0 votes
1 answer
234 views

Google API key IP-based restriction when using private instances and Cloud NAT in GCP

I'm using a private VM instance in GCP along with Cloud NAT to allow internet access for this instance. Recently I've been trying to access the Google Places API service via this instance, using an ...
user avatar
  • 101
1 vote
1 answer
308 views

Kubernetes, how do I let kubernetes use the internal network for node to node communication?

Context. I am following the basic kubernetes installation here (in Hetzner Cloud, if it is needed). 1 controller and 1 worker. All is fine apparently. the servers have an external IP interface (...
user avatar
  • 51
-1 votes
1 answer
114 views

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 ...
user avatar
  • 3
0 votes
1 answer
301 views

Is it possible to connect 3 Ubuntu servers without switch and no single point failure

I have 3 servers and I want to connect them to build a k8s cluster over 10Gb NICs. I am using this configuration right now. server2 (10.0.0.2) <--> server1 <--> server3 (10.0.1.3) how to ...
user avatar
  • 11
-2 votes
1 answer
42 views

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 ...
user avatar
  • 3
0 votes
3 answers
338 views

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....
user avatar
0 votes
1 answer
422 views

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 ...
user avatar
  • 157
0 votes
1 answer
25 views

Are there any risks passing inbound requests from the private network?

In FreeBSD example ipfilter setting, I can see that requests from 192.168.0.0/16 are blocked (referening RFC1918) This seems to impose a nuisance on some private network intercom, so I comment it out....
user avatar
1 vote
2 answers
1k views

Accessing servers with public IP from private networks without NAT

Is it possible, from a private network, to access to a public server (i.e., a server with a public IP address) without a NAT? In other word, can an Intranet provide public services, if I give public ...
user avatar
  • 113
0 votes
1 answer
543 views

OpenVPN - Access to other client private network

I know that this title seems to be "over answered", but really I had no luck while searching... EDIT: I've updated the diagram and the question, to be more precise To better explain my situation, ...
user avatar
  • 131
1 vote
1 answer
456 views

Reverse proxy forward request via private IP?

I have two EC2 instances, says EC2-a and EC2-b. EC2-a installed NGINX and served as reverse proxy, while EC2-b installed Weblogic which serve up my websites. Since public-IP are not static, I'm ...
user avatar
  • 115
4 votes
1 answer
501 views

Valid SSL certificate for domain/subdomain pointed at a private IP address

This is related to a question I saw here where the OP asks whether you can point an A record to a private IP address. So it seems like you can but I have a further question... If I create the ...
user avatar
  • 151
5 votes
2 answers
4k views

Private address space IP found in X-Forwarded-For

I'm reverse proxying with nginx behind Google Cloud (HTTPS) Load Balancer, so I add the X-Forwarded-For header so that the backend can extract the client (browser) IP. This morning I noticed a 10.x....
user avatar
  • 179
0 votes
0 answers
143 views

ifconfig displays public IP address

I've logged via ssh to remote host. When I type ifconfig output contains: ens160: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 106.120.101.39 netmask 255.255.255.128 ...
user avatar
  • 113
2 votes
2 answers
15k views

Connecting to a remote mysql database using its private IP Address

My database server has only a private IP address. I am able to ssh into the database server from my application server. I have created an user with the app server's IP address. Can anyone tell me how ...
user avatar
4 votes
1 answer
23k views

Allow internet access for ec2 instances with private IP addresses inside a public subnet?

I have a public subnet(S1) with a route pointing to the internet gateway in its route table. Launched an ec2 instance(I1) inside S1 but did not allocate a public IP to it, thereby the instance only ...
user avatar
2 votes
1 answer
6k views

How to make Unbound block private IPs in resolved domains (DNS rebinding)

I set up Unbound in my local network as a local DNS resolver. I noticed that it will not filter any private IP addresses in the resolved domains and forward any IP address that a domain resolves to. ...
user avatar
  • 1,431
1 vote
4 answers
12k views

Public IP or Private IP for the DMZ area

Lets say I have three networks in my topology : Internal network, DMZ, Internet. And my DMZ Area contains a lot of servers, but lets say in this example that it contains only a DNS Server and a Web ...
user avatar
  • 141
2 votes
1 answer
90 views

Multiple IP's bind to same interface in hyper-V does not respond to telnet or ping

I have configured CentOS-6.0 VM in hyper-V. Configured multiple IP and bind to same Network adapter. Below are interfaces created. ifcfg-eth0 - 10.225.180.96 ifcfg-eth0:1 - 10.225.180.97 ifcfg-eth0:2 ....
user avatar
0 votes
1 answer
303 views

IPMI Private Network

We have just started to install new hardware in preparation for MS launching Server 2016. This is my first encounter with IPMI. Having noted some to the warnings relating to security I did restrict ...
user avatar
  • 333
4 votes
3 answers
762 views

Can only some machines on a network have a public IP addresses?

Is it possible for some computers on a network to have their own public IP addresses and serve content over the internet while other computers on the same network only have private IP addresses but ...
user avatar
1 vote
1 answer
237 views

How to make docker only use a private network to communicate with other hosts?

Digital Ocean provides internal IPs that are not traffic-metered. How can I configure Docker to exclusively use this private network? How to make the network interface that the docker creates docker0 ...
user avatar
4 votes
1 answer
5k views

Why is my AWS instance's private IP outside of the subnet's range?

I'm trying to launch an instance with the private IP address 172.31.32.101 using Terraform in my default VPC (CIDR 172.31.0.0/16), in the eu-west-1a subnet that has the CIDR 172.31.32.0/20. I can ...
user avatar
1 vote
2 answers
943 views

ftp server in passive mode at private subnetwork

I have following configuration: FTP client (public_IP1) => internet => Firewall(Public_IP2) => FTP server (10.10.12.171) I have following iptables rules at Firewall: DNAT tcp -- 0.0.0.0/0 ...
user avatar
  • 113
-2 votes
2 answers
1k views

Public Domain Name to Intranet

let's say 1) I have a server running in a private intranet. It uses tomcat to serve a webapp at privateserverip:8080/appname 2) I have a myapp.local domain and when I enter it toplevel with http://...
user avatar
6 votes
2 answers
9k views

Ec2 instance static private ip address

I am using an on-demand instance for testing some services in my spare time. So, I start and stop that instance very frequently, and I see its public and private IPs changing each time. This is ...
user avatar
  • 299
2 votes
2 answers
7k views

Vagrant private IP not found after network change

I've got a simple Vagrant Ubuntu virtual machine setup using Virtual Box, running on a Mac. I'm using private networking, configured with a static private IP like so: Vagrant.configure("2") do |...
user avatar
-1 votes
1 answer
419 views

Whatsmydns shows internal ip for class c whereas for class b it doesnt

I have a VMWare infrastructure and inside that 2 environments named A and B. "A" has its DNS in the server "D" whereas B has its DNS within itself. The scenario is as given below: A has domain ...
user avatar
9 votes
2 answers
764 views

Is it reasonable to use Nagios to check that a service is NOT available?

Suppose I have a server with a private interface and a public interface. Public might have things like HTTP(S) servers, private might have MySQL and SSH. Obviously Nagios is useful to check that the ...
user avatar
  • 1,194
16 votes
4 answers
46k views

DNS A record pointing to private IP address [duplicate]

I own a domain. I will call it example.com. I want to set up a local BIND server on my private network. I have a box with the private IP address of 192.168.2.13 I would like to have this box named ...
user avatar
  • 322
1 vote
1 answer
4k views

Can't get access to my IIS Server?

Before I could get access to my IIS Server using its static private IP address (on the Windows Server 2012 itself), but now I can only access the IIS Server web page using its localhost and 127.0.0.1 ...
user avatar
  • 23
1 vote
1 answer
9k views

How to Access an AWS Instance with RDC when behind a Private Subnet of a VPC

We are implementing a typical Amazon VPC with Public and Private Address - with all servers running the Windows platform. The MS SQL instances will be on the private subnet with all IIS/web servers on ...
user avatar
  • 23
1 vote
3 answers
116 views

Are Amazon VPC private IPs constant?

I have a VPC set up and working on Amazon and one EC2 instance talks to another via its private IP. Will this IP remain constant to that EC2 instance through out multiple reboots? Is there anyway to ...
user avatar
1 vote
0 answers
906 views

Apache redirect all traffic to HTTPs except for private IP

I would like to redirect all incoming traffic to HTTPs except for incoming traffic on private IP (10...*). With the following configuration, external traffic is not being redirected to HTTPs. This ...
user avatar
  • 111
0 votes
1 answer
2k views

XenServer - VMs to access Internet, but should not be visible from the Internet

I have installed XenServer on my server at the Hetzner datacenter. I have bought an additional /29 subnet containing 6 usable IP addresses from them. I want to install more than 10 VMs on this server....
user avatar
  • 277
0 votes
2 answers
6k views

Find Public IP Address through a Private IP Address [closed]

I have a application server (LAMP Stack) access. But php application connect to mysql from another db server. I have only private IP for this DB Server. Is their are any way to know public IP Address ...
user avatar
0 votes
3 answers
856 views

Connect Server to multiple Networks

I have a server that I'm trying to connect to multiple network ranges (172.x.xx, 10.x.x.x). I'm not really concerned with Domain issues I just want to be able to access my storage / management network ...
user avatar
0 votes
1 answer
111 views

Best option for having ethernet (level2) switch simulated on typical ethernet level3 switch/router?

I have two Linux servers which are going to be connected to typical l3 switch/router. They will both have assigned one public IP number per each ( let's say: pub.ip.n.1 and pub.ip.n.2) by IT. Q1: ...
user avatar
1 vote
0 answers
175 views

VPC private ip address unable to communicate to the network interface which has an elastic ip assigned

I'm not sure if this is how VPC EC2 private addresses are supposed to work. I have two instances in VPC each are allowed to talk to each other (security group), and each instance has two network ...
user avatar
  • 121
3 votes
2 answers
2k views

IPv6 configuration for my private network when prefix delegation is not supported by the provider?

I have a typical router with IPv4 and NAT setup. My provider sends an IPv6 address to the router, but it does not support the IPv6 prefix delegation. How can I get IPv6 addresses for my private ...
user avatar
2 votes
2 answers
125 views

IPv4 private address assignment

I'm working on a private network which uses static IPv4 addresses as well as DHCP addressing for the physical LAN network. At a previous company I worked at they would assign static addresses in the ...
user avatar
4 votes
1 answer
968 views

Using Public IP addresses for Private Network

I have a network that uses the 192.192.192.x network address for their private network. It looks like publicly those are IP addresses that are assigned in Taiwan. I don't think they do too much ...
user avatar
  • 4,514
4 votes
2 answers
593 views

why do Vagrant docs suggest using public IP address 33.33.33.10 for local VMs?

I'm following a tutorial to set up vagrant (a tool to build and configure portable virtual machine images), and it seems that vagrant documentation suggests using IPv4 address 33.33.33.10 to configure ...
user avatar
  • 143
1 vote
1 answer
55 views

Access my system data which has private IP [closed]

I need to give my laptop to someone for few days, i have my files in that out of which i'm not sure which one's i'll require. So looking for a solution if possible. How can i access those files by ...
user avatar
  • 171
2 votes
3 answers
209 views

Is 172.253.16.0/24 a valid private subnet?

I've been administrating an office network that was set up by someone else and I always found this weird about it: Their internal subnet is in this range: 172.253.16.0/24. It's been working fine, but ...
user avatar
-1 votes
2 answers
876 views

SSH tunneling on Ubuntu (Private IP of one network to Private IP of another network)

Suppose I use a Ubuntu machine in a computer lab which has a private IP like 10.255.1.34. At my home I use Internet provided by a local ISP, so my home PC has a private IP like 172.16.203.105. I am ...
user avatar
  • 179