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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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2answers
39 views

what ip will logged in a website if I access a website via another website through my PC?

If http://example2.com sends cURL connection to a website called http://example1.com. If I access http://example2.com from my pc to see the content of http://example1.com, than would http://example1....
0
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0answers
40 views

How can I change the initial configuration of IBM Security access manager which is done on CLI?

I have entered wrong host IPv4 address and I want to change that to correct one. Is there any way through which I can re-configure the ISAM CLI?
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0answers
10 views

ngrok specifiy forwarded ports

In ngrok, I can connect to my local host like this: http://123abc.ngrok.io -> localhost:55914 If I want to connect to say http://123abc.ngrok.io:2001, will that be routed to localhost:2001 or ...
0
votes
1answer
32 views

Keeps setting windows-server-2012-r2 up in america (cali) when location is set to australia-southeast1-a

I have just tried to set up 2 back to back servers in Australia but for some reason when the servers deploy they are located in America in California. Any idea how to fix this issue? Both Zones are ...
1
vote
0answers
22 views

The packet not reaching destination when broadcasted with address 255.255.255.255 [duplicate]

I have a bacnet application which broadcast a message to all devices connected. When i use the address 10.9.x.255, it works and the device is able to get the response but when i use the global ...
0
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3answers
34 views

What happens if the private IP range of a VPC falls outside the IANA defined ones?

The VPC documentation says: When you create a VPC, we recommend that you specify a CIDR block (of /16 or smaller) from the private IPv4 address ranges as specified in RFC 1918: 10.0.0.0 - ...
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0answers
21 views

Can a wrong configuration affect other devices in a WLAN?

Recently we had a problem regarding the installation of our IOT devices over the WLAN. Actually the problem is, among the ~30 device connected over DHCP only 3-4 of them are actually able to connect ...
0
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0answers
60 views

Multicasting on a network of switches

I'm a newbie in terms of networking and have been working on a simple multicast networking project for my under-grad. The scenario is that I have to send multicast messages in my campus network which ...
1
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0answers
4 views

Networking bits to number of subnets [duplicate]

How does one use the value of networking bits of a class A address to find the number of subnet bits and host bits? For example, with a subnet mask of /22, what would be the process of finding the ...
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2answers
291 views

Why do people use 172.x.x.x instead of 192.x.x.x [closed]

Since I was a kid, I've always installed our home network with the default 192.168.1.x/24, but whenever i log into my university's network, i notice that they use 172.x.x.x, and the same thing goes ...
1
vote
1answer
70 views

what are the differences between addr and mountaddr NFS mount options?

I realized that the /proc/mounts include some parameters which are not shown in the /etc/mtab file and by the mount command. For instance, mountaddr. In my Linux boxes both values addr and mountaddr ...
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0answers
152 views

On VirtualBox, is there a way to set 'Reinitialize MAC address' as default?

When cloning a VirtualBox instance, is there a way to set the "Reinitialize the MAC address of all network cards" as the default? Humans sometimes forget to tick this box, with the resulting horror ...
-1
votes
1answer
55 views

Change outbound IP - centos

i have a server (linux/centos) and my default ip is: 111.111.111.111 so i bought another ip (ip failover) 222.222.222.222 if i visit in browser 111.111.111.111 or 222.222.222.222 its opening same ...
0
votes
2answers
33 views

Best way to secure a SQL VM when clients do not have static IPs

I have a VM running SQL in the cloud. Typically I would set up inbound rules on the SQL ports in Azure and on the VM's firewall, but my clients do not have static IP addresses to use in the rules. ...
0
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0answers
55 views

Locked out of MySQL; how to sign in from specific IP Address?

When I was managing the users and privileges for a SQL server, I accidentally locked myself out. To explain there were previously multiple combinations of users and hosts that had access to the DB (...
0
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0answers
48 views

Failure to ping two devices on the same subnet

Need some help with Routing. I do not understand how to make this work I have 2 Devices configured. One of the devices(somebox1) is configured with 2 interfaces and the Routing table looks similar as ...
0
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0answers
20 views

Configure VPS to accept FTP connections via Filezilla client using IP address

Currently I connect to my VPS using Filezilla client where I enter as hostname www.mysite.com. However, if I replace that with my VPS's IP address, I can't connect. I assume it has something to do ...
0
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1answer
252 views

Cannot use port 80 twice with different ip addresses?

I have an interesting problem right now. On a Windows Server 2012 R2 I have two IP addresses, say 192.0.2.1 and 192.0.2.2. On one address e.g. 192.0.2.1 a web server runs on port 80, which is ...
0
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0answers
206 views

IP Address and Subnet Address Validation

I am developing a code to validate that an IP and Subnet IP combination is a valid one. Say the IP address is 192.179.10.105 and its subnet mask is 255.255.0.0 - so what are the validations we can ...
0
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1answer
82 views

How to protect a web application from IPv6 bots?

I'm interested in this in the context of protecting a web application from bots, but I guess it applies to all kind of attacks that can be done over IPv6 by bots. In a web application, you have some ...
2
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0answers
31 views

Does Loopback able to support all TCP/IP protocols

Does a Windows loopback adapter supports ACD and duplicate IPs. Say we have a code that supports full TCP stack and we bridge the program to loopback using PCAP. If in case I set both the address ...
0
votes
1answer
459 views

How to manually set link-local address in Debian?

I'm trying to use manually assigned link-local addresses to have more meaningful routing tables. I disabled auto configuration for all interfaces in /etc/sysctl.conf net.ipv6.conf.all.autoconf=0 and ...
1
vote
1answer
907 views

How to block website for all countries except US and Canada

I have a website which is only for US and Canada visitors. I don't want to make it visible to other visitors. I want to use Geo targeting solution but I have a amazon hosting it did return current ...
0
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0answers
76 views

Why can't I find the IP address of mongodb.net?

I am using MongoDB Atlas to host my database. I want all traffic from site destined for Mongo Atlas to use a NAT Gateway with a static IP address, so that in Mongo Atlas I can whitelist that IP. The ...
0
votes
0answers
24 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 ...
8
votes
7answers
11k views

Assigning a fixed IP address to a machine in a DHCP network

I want to assign a fixed private IP address to a server so that local computers can always access it. Currently, the DHCP address of the server is something like 192.168.1.66. Should I simply assign ...
2
votes
7answers
573 views

What does the netmask in an IP address actually tell you?

There are several questions out there asking what the CIDR netmask is, and how it's calculated. But after reading all the top answers, I'm still left wondering, how does the netmask let us distinguish ...
0
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0answers
71 views

Outbound ip address of server keeps changing

When specifying an API key for Google, you have the option to restrict it by ip address. I therefore restricted my API key so that it only accepts requests from ip-address 82.163.78.2. However, ...
161
votes
10answers
30k views

How bad is IPv4 address exhaustion really?

For years the press has been writing about the problem that there are now very few IPv4 addresses available. But on the other hand, I'm using a server hosting company which gladly gives out public ...
0
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1answer
138 views

.UnavailableSocketError: Inet address 127.0.0.1:7000 is not available

I tried to create a cluster with three Cassandra nodes on my machine.I have unpacked tar.gz and changed listen and rpc_addresses, also JMX_PORT.It did not work ~/apache-cassandra-3.11.1-1/bin$ ...
0
votes
1answer
269 views

L2TP/IPsec server - reserve an IP address to a certain user in AD

I have set up a rather simple L2TP/IPsec server with xl2tpd, which has a pool of IP addresses in xl2tpd.conf configured for VPN clients. I now need to assign a certain IP address to a VPN client if ...
0
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0answers
749 views

How to do port forwarding for VPN server

Let say my workplace public IP is 111.222.111.222. And I have a pc inside this network, and the computer ip is 10.0.0.60. I installed a SFTP server inside this pc. And in my router, I do port ...
4
votes
3answers
2k views

are github`s IP Addresses changed?

I had an issue today where my deployment on my application servers couldn't be completed due to connection problems with github. I noticed that when I perform a DNS lookup of github.com using ...
2
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1answer
121 views

VXLAN format details

Learning about VXLAN I found in a document: ...VTEP1 then adds a VXLAN header that contains the VNI to the Ethernet frame, encapsulates the frame in a Layer 3 UDP packet, and routes the packet ...
0
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2answers
81 views

How to forbid forwarding packets to private network addresses via interface

On my server, I have a default route to interface eth0. It has public internet address and faces ISP network. I have packet forwarding enabled, and few local interfaces/bridges with private 10.x.x.x ...
1
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0answers
265 views

Websocket and CDN

I have an application which replies on both http and websocket: it is hosted outside the company server farm. This application is used both via browser/websocket and, through http, from applications ...
1
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0answers
769 views

“Server DNS address could not be found, ERR_NAME_NOT_RESOLVED” but site IS online…

One of the websites we host through Flywheel was giving my team (we all work at the same location) this error: This site can’t be reached server DNS address could not be found. ...
0
votes
0answers
68 views

Differentiating between OpenVPN clients using the same certificates

I have a relatively large subset of OpenVPN clients, populating the virtual network of 10.131.0.0/16. These clients are fairly similar in setup, and therefore use the same certificate. Is there ...
-1
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2answers
476 views

Use IP Address to access another machine on local network but inside VPN [closed]

Here's my scenario. Within my Comcast home network, there are two devices, A and B. A is logged into a corporate VPN through cisco anyconnect. However, from B's point of view, A's ip address doesn'...
0
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3answers
132 views

Command to Ping All a Host's NICs

We have numerous laptops here which have two adjacent DHCP reservations, one for the wired interface, and the next for the wireless. This allows simpler firewall rules by using (e.g.) /28 subnets for ...
0
votes
1answer
1k views

How do I add RADIUS clients to Windows NPS without a known IP or DNS?

When trying to add a RADIUS client to Windows NPS, it REQUIRES an IP address. What if this IP address is known? i.e. using cloud based WAPs with WPA Enterprise authentication? i.e. CloudTrax, ...
0
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0answers
23 views

IP internet service rejects API request from a single address

I am looking for several days now for an answer to following issue. I am having a web based API request, which works find on all of the tested internet connections (about more than 10) EXCEPT one. I ...
0
votes
1answer
58 views

How do I allow access to a web server on an ISP that shares one IP address among all customers?

I'm a customer of a wireless ISP that shares one WAN IP address among all customers. If any of the ISP's clients log on to whatismyip.com, they will see the exact same IP address, which will look ...
0
votes
1answer
523 views

Connect by SSH to a certain device knowing public and private IP addresses? [closed]

I want to connect to a computer which is always on at home from anywhere. Suppose my router has the static public IP of 1.2.3.4 and a netmask of 255.255.255.0. As far as I'm concerned, every ...
0
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1answer
607 views

Azure Ubuntu VM Cannot Bind IP (public)?

I just started trying out an Ubuntu 16.04 VM on Azure. A node.js app requires listening to a port 3000 on the network interface assigned with the public IP address so remote clients can connect to it ...
0
votes
1answer
31 views

using VPN IP Address

I use FotreClient to VPN to my company Previously I was getting same IP address as i am in the company after few changes to the server and upgrading ForteClient now when I VPN to the company I still ...
0
votes
1answer
255 views

Graylog v1.1.1: Editing source IP Address to reflect the IP inside a time stamp

I wonder if you can help with the following query? I have a client (Centos 7) server (IP 1.1.1.1) in my office that sends its logs to a Centos 7 Syslog server (IP address 1.1.1.2). The syslog server ...
0
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1answer
709 views

Add IP range to Ubuntu 16.04 server

I'm trying to add IP range to eth0 interface on Ubuntu 16.04 server. Following this solution I've changed the configuration to this: # This file describes the network interfaces available on your ...
0
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4answers
3k views

Running a bash script as root on boot

i have a script that calculate an ip address (using gateway address) than change, the script work when i launch it manually with sudo sudo ./changework.sh i want this script to run during bootup ...
1
vote
1answer
68 views

In Windows what's the difference between logging in via IP Address and by File Share?

I have two users on my QNAP NAS, one with admin privileges and one with read only. If I log into the file share in Windows File Explorer via \\192.168.1.xxx I enter my credentials for read only and ...