Questions tagged [ip-address]

An IP address is a unique network-level identifier assigned to a network-enabled device.

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Looking fort an IP Address logger for my PC to detect if sending data to unknown IP [closed]

Is there a free IP address logger for my Windows 10 PC. What I would like to do with it is to check if a hidden malicious program is sending data to an unknown IP address. It would be cool if the ...
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How to connect a computer directly to the WAN port of a end-consumer router and get allocated a IP address?

In the data center oriented router, there is no distinguish between WAN port and LAN port. But for end-user router, there is this distinguish for convenience. However, in order to have a research on ...
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How to setup a fallback network interface with the same identifiers?

I've been using Ubuntu for many years, I assume any generic solution for Debian-based systems will get me started. I simply don't know how to start after reading a lot of information. I have an old ...
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Why does nmap think my computer has two IP addresses?

Nmap seems to think my computer has two IP addresses. When I run ipconfig, I get Connection-specific DNS Suffix . : home Link-local IPv6 Address . . . . . : fe80::****:****:****:****%12 IPv4 ...
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Windows 7 Network Configuration from File

UPDATED-STATEMENT: 20200420@071800@THU Found out that ip info can be checked from the router if the DHCP lease has not been expired for that device. Problem is the PC was using an ip range outside the ...
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How to renew a client DHCP address with an OpenWrt router?

How to renew a client DHCP address with an OpenWrt router, from its SSH terminal session?
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Cannot ping and/or connect to a website/minecraft server

So me along with a few buddies all have a Minecraft server that my friend hosts off of his media server. We all used to play it a while back but stopped playing and are trying to play again, however ...
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Windows firewall IP scope is not applied

I have a port opened that I want to have available by whitelisted IP (or IP blocks) only, yet when I test it from a connection outside the whitelist, the connection is still accepted. The Firewall ...
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Why does `curl <this machine's IP>` behave differently than `curl localhost`?

(Redirected from networkengineering.stackexchange) I have two Raspberry Pis on my network - let's call them Pi and Rho. I'm trying to set up port forwarding via ssh tunnel between them, such that an ...
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IP address detected for Vandalism in Wikipedia

While browsing through Wikipedia recently I noticed a message regarding article vandalism using my IP address. My ISP is Hathway and I am a normal home user. I also use tor browser for torrenting. Is ...
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Identify devices on network (over VPN)

Is there any way to consistently find out the IP-addresses of specific devices that are connected to a local network (possibly over a VPN)? Specifically, I'm trying to do the following: I have an ...
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When DHCPv6 is used in a home network what is the initial Identity Association requested by hosts?

Lets assume the M-Flag of a NDP Router Advertisment Message is set so that DHCPv6 is used for address assigment and Stateless Address Autoconfiguration was used to create a link-local address for the ...
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What is the initial source address used by a DHCPv6 client when DHCP is used for address assignment?

When DHCPv6 is used for address assigment (determined by the M-Flag of a NDP Router Advertisment Message) the host obviously does not have a valid link-local address yet. For Stateless Address ...
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IP Addresses on a DNS server system

Which of the following IPv4 addresses could be set on a DNS server system? 127.0.0.1 193.231.20.1 192.168.2.2 255.255.255.0 What am I thinking is that the first ip address is the "loopback address" ...
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Device with no IP address is able to communicate with the network

I have recently purchased a WiFi infra red hub that can be used to send IR signals to various devices. This is all set up and working fine. I looked on the router, Fing and viewed the ARP table to ...
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ipconfig/renew and reserved ip address - How it works?

I'm trying to understand something. Let's say we have a windows server with a static IP. Its IP is reserved in the DHCP, etc. Everything's good. If I run ipconfig/release then ipconfig/renew, will ...
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Linux device won't connect to internet, but allows SSH

I'm having trouble connecting to the internet with my Wachendorff Display. I can connect to it via SSH, but I cannot get it to also connect to the internet. I am able to ping other devices plugged ...
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MacOS route table incomplete IP addresses and masks

If you run netstat -rn on a Mac (I'm using Mojave 10.14.6 but I suspect this applies to all MacOSs), you get the IP route table, but some of the IP addresses are incomplete, and the netmask column is ...
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Access a port from one local machine to another

First of all, I'm not a network engineer, my knowledge is limited. So, at home I have two machines each having it's own private ip address. Now I can ping each other, but when I try to access a port ...
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additional IP addresses for bonded network cards

I configured a bond of two network cards, I set an IP address and it works great. Then I configured an additional IP address for each card, and these addresses doesn't work. The problem is that the ...
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EBGP IP Assignment between AS in real world

I would like to ask what IP address range will be assign between the ASs running BGP (EBGP) in the real environment (big company)? Since I've seen a lot of case studies use ip address like 10.10.10.0/...
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How to set different IP on VirtualMachine

I set up a new virtual machine (Linux Ubuntu 18.04) on my computer with Windows 7 using VirtualBox (all systems are 64-bit). I connect with the internet with the same router, but I wanted to have ...
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Configure my wireless such that I and my tenant/roommate have different IP addresses

I intend to rent out a part of my home to someone. Basically a roommate. The wireless internet is in my name (I pay the bill) and the tenant would pay half. I'm wary of the tenant downloading ...
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Are Tor (Onion) addresses static or dynamic?

I've yet to install tor on my server, but once I did, will my Onion address be static? My gut feeling is that Tor links are bounded to an IP address (Mine is dynamic) and would act as such but I ...
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We cannot switch from this ip to any instagram user page

ip address 116.203.82.233 - blocked. We cannot switch from this ip to any instagram user page. What is the reason?
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Raspbian and dodgy ip address

I need 2 vlans on my raspberry (no ordinary iface) and what i did was to add a file: pi@rpi:~ $ cat /etc/network/interfaces.d/vlans auto eth0.104 iface eth0.104 inet dhcp vlan-raw-device eth0 ...
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Can .lk and .com of the same link be resolved to the same IP address?

Eg: www.bogus.lk and www.bogus.com I think that it can't be resolved to the same IP address as .lk link is used in Sri Lanka, while .com is used as a commercial one. So, I'm not exactly sure if I'm ...
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Can I use a dynamic DNS server like DynuDNS and use it to host a domain name under something like Namecheap?

I'm a bit jumbled up with this dynamic DNS thing and how it works, so say I have a domain name with namecheap (domain.com) and I want to use a dynamic DNS to sync my dynamic IP, would i need to make a ...
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router settings login doesnt let me login even if typing right password

so, when I login to my router settings page or ip address in the browser or whatever it is called, even on typing the right username and password it says its incorrect or username and password error.I ...
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University campus network structure?

As part of my networking course, I am studying public/private ips; which got me thinking, Do college campuses have just one public ip which is shared among students and staff, or does it have ...
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Why does every interface in a cluster of network devices needs its own IP address?

When I have a cluster of i.e. firewalls handling multiple networks, why do they all need their own IP address additionally to the virtual cluster IP address? Isn't this a waste of addresses? EDIT: I ...
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Can't access vagrant's web server by ip address?

I am playing around with vagrant for one of my courses, and I encountered a weird issue. I have a rails server running on port 3000 in vagrant environment, and I have port forwarding enabled on the ...
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How to port forward between two routers?

Here's what I exactly need: I have my landlord's Modem-Router which is the cable internet modem, the main router which connect us to internet / I call it Router 1 which is "192.168.1.1" And I have ...
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Linux command to get mDNS Service discovery and to get its IP Address

I am broadcasting mDNS service from my WiFi module. I need to discover that in my Linux PC and get its IP address. I used mdns-scan command and I am getting the Service name listed. I used avahi-...
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I can ping the IP address, but I have no idea what the device is in my network

I can ping the IP address, but I have no idea what the device is in my network. How can I find out what the device is? I somehow have the device registered on Spiceworks and it has detected it to be ...
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nginx randomly “times out” when accessed via public IP

I'm hoping somebody can point me toward a way to diagnose my problem. A tool or logs that can help find the issue. I think it's a networking problem. It doesn't seem related to the nginx configuration ...
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Jupyter Notebook wont open - Common solutions not working

when I try to open my Jupyter Notebook I keep getting the following error. Cannot bind to localhost, using 127.0.0.1 as default ip [Errno 49] Can't assign requested address After searching ...
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Is it safe to use a proxy? Can it steal my bandwidth or ip? [closed]

When it comes to using a proxy for one of my applications, I am unsure about the safety that comes with it. Can a proxy steal my bandwidth or my ip address if it is being used for only one application?...
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Edit a single batch file that contains a single IP in multiple lines with a new batch file

I have a batch file in C:\Temp\Backup\ that is named backup.bat. In backup.bat the text below exist. I would like to create a batch file that changes the 172.16.17.4 to 192.168.1.104 in backup.bat for ...
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IP Fragmentation - Total Length

I can't seem to be able to understand these answers of an exam in an exercise related to IP fragmentation. I have the following network: It is stated that all LANs have an MTU of 1500 except for LAN ...
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How does hostname -i work?

I know that I can get the external IP address of my machine / a Docker container from within by running: $ hostname -i Now I would like to implement a similar mechanism by myself, but for this I ...
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The device must have a passcode set in order to allow this operation (0xE8003FFE)

I want to connect iPad from Xcode using connect via IP Address (WIFI). I did not configure passcode in iPad but iPad is asking to set passcode while connecting from Xcode. Can you please let me know ...
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Why does my mobile hotspot device have a different IP address from the phone it's connecting from?

For reference, this is the IP address my laptop is showing, which I'm happy to include because it's not remotely related, at least geographically, to where I am. The laptop is connected to my hotspot, ...
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Can i get Ipv6 internet when using google's public DNS if my ISP doesn't provide Ipv6?

I mean it doesn't seem to work so I guess not :/ Is there like a Google IP address that I can use or sth?
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IP aggregation and finding correct network id

I'm having trouble understanding how IP aggregation works and also which IP addresses "belong" together. So I have this forwarding table below, same output port. Network ID ` Net mask 10.0.0.128 ` ...
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Why isn't Ultrasurf hiding my IP address?

HELP! This is the first time that happened to me, neither Ultrasurf nor Psiphon3 nor Freegate are hiding my IP. Now, I live in Egypt and my ISP is TE-DATA, my IP is 41.235.184.188. And as u can see ...
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Why can a defunct company still be assigned an IP address/IP address range by ARIN? [closed]

Basically, I'm looking at the Whois record of an IP address and the organization listed is a defunct company acquired in the late 1990s. The Whois record was updated last year, so why is the defunct ...
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IP address in different range continues to communicate

This has probably been asked before, but I can't seem to find the specific circumstance. I was configuring a D-Link access point for a friend, testing it on my network giving it a fixed IP of 192.168....
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Make wired printer a wireless

I just figured out a technicality that can save others time to turn a wired printer (with tcp port) into a wireless printer. My printer is hooked via ethernet cable to dd-wrt router (my setup is 2 ...
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Do I still need an ipv4 address? Can I just use an ipv6?

I am unsure if this should be on SuperUser or ServerFault. Please migrate it instead of closing it if you think it's offtopic. A few months ago, Vultr got a cheaper plan that only includes an ipv6 ...

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