The IP (internet protocol) is a protocol for transmitting data over packets ("datagrams"). It is the primary protocol of the Internet. "IP" may also refer to an IP address, the numerical address assigned to an IP-capable device.

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Is it possible that a lower level network can provide IP addresses for the higher level network? And how to prevent that?

Sorry for my obscure title, I don't have much knowledge about networking. So today I got a really strange problem with my network, it's like this:My network:From Internet → my Wi-Fi router → "black ...
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2answers
37 views

I’m getting an IP address conflict but when I check the IP address, nothing shows up?

The problem I'm having is a (windows 7- LAN - Office Environment) Desktop Computer is flagging up an error of a conflicting IP Address. When I use ipconfig to check the IP address, there is none ...
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1answer
50 views

Number of Possible IP Address Ranges [on hold]

I am new to IP addresses. I am currently trying to find a way to get all IPv4 addresses by organization. The organization needs to be the lowest level organization. For example, 12.31.71.58 is an IP ...
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1answer
11 views

identify individual devices from aggregate traffic of router

Is it possible and if yes how to identify individual devices (laptop vs. mobile phone vs TV) when listening to the aggregate traffic of a wifi router?Assumption: all devices of interest are ...
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0answers
24 views

private home ip adress over internet [on hold]

I would like to connect over internet from home to job network and get private IP adress from job network, is it possible?My job network server has IP address: 192.168.1.100, let say for example, ...
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0answers
14 views

How to assign static ip to devices connecting over wifi using Network Manager?

I have several devices connected to my wifi, and I need to assign them a static ip address, but NetworkManager gives them sometimes different ip addresses. I tried adding a file in /etc/network/if-up....
0
votes
1answer
17 views

Ubuntu command to change IP address only works for about half a minute before changing back

According to https://www.howtogeek.com/118337/stupid-geek-tricks-change-your-ip-address-from-the-command-line-in-linux/and Change IP address permanently with ifconfig in Debianthe commandifconfig ...
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votes
3answers
57 views

is it possible to deploy a website without buying a domain?

I've just started learning client-side web languages and I'm about to deploy a 'test' website just for experience. However, as I said, since this is just to get more training I don't actually want to ...
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0answers
5 views

VPN ipsec Cisco881

I have a cisco router 881 with some PCs on it and a WebServer connected to VDSL. I have created the dhcp, dialer, etc... but here comes the hard part:I wanted to see my Web Server from my local ...
0
votes
1answer
14 views

Interface IP in public range, incorrect IP sent to noip

RPi3 is connected to internet via 3G dongle. wwan0 interface IP is in public range, is accessible from outside and hasn't changed since I got the SIM. So far so good, right?What worries me, is that ...
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0answers
27 views

nat network - one exam task [on hold]

having this imagecould help me to complete these sentences?Server PT opens a connection to the router IP through the address configured in the gateway. The packages used for this will have an IP ...
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0answers
36 views

Is my port really open?

Let's say I want to have a server on my computer at port 1234, so that other hosts on the Internet can connect to it. I am behind a router NAT, so I configure the router to forward connections to ...
1
vote
1answer
31 views

The easiest (and most consistent) way to access a LAN device

I want to create a website which only LAN users will be able to see. I plan to use my Raspberry Pi as a server, since the website will be a small one (only HTML-CSS-JS). The only method I know to ...
0
votes
1answer
29 views

Want to SSH from external IP. Tried with different router at different network but failed

I simply want to SSH into my local host from outside. This is my router where I am applying the port forward.Manufacturer:Huawei Technologies Co., Ltd;ProductClass:HG8245H;SerialNumber:...
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votes
0answers
10 views

how to configure zero shell netbalancer with a wireless and a Ethernet connection?

I have two internet connections. one is from ethernet and another is from wifi.I want to use both connections simultaneously as a failover to each other. I am using zero shell in Raspberry Pi.Zero ...
2
votes
0answers
25 views

Losing internet after IP switches from valid public IP to a private IP, what could be wrong?

Basically I have had to call my ISP around 20 times in the last three weeks about this issue. My internet disconnects and my IP changes from a public IP in a valid range for my ISP to something in the ...
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0answers
24 views

What do just two IPs in hosts file without any domain name be indicative of?

A friend of mine was complaining about very slow internet on his Windows 7 laptop. Out of curiosity I just had a look at the 'hosts' file on his laptop and some entries therein surprised me.There ...
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votes
0answers
86 views

How to get real IP when behind reverse proxy in vagrant vm?

How to get real visitor ip in a nodejs express server when behind an nginx reverse proxy all installed in a virtual machine configured by vagrant?I have setup in VM the nginx sites-enabled/site.conf ...
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votes
0answers
23 views

Hide my PC with a Mexican IP [duplicate]

I would like to visit some sites and fool the sites into making them "think" I am located in Mexico (any state is OK). Preferably for free.The website's shop prices change depending on the country ...
0
votes
0answers
46 views

What is the best way to change my IP?

I think sharing my WiFi with my neighbor has screwed up my IP with Stack exchange and in other sites. It is coming back as spam to many sites. He has moved out since and I want a fresh start with a ...
22
votes
3answers
4k views

Why does the registered domain name “localtest.me” resolve to 127.0.0.1?

I was reading an article about Server-Side Request Forgery. In that article the attacker found that 127.0.0.1 was open to the internet. The victim then blocked 127.0.0.1, but because many other IPs ...
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votes
0answers
44 views

Assigning a public IP address to the PS4?

Now i have Nat type 2 on the PS4 , this affect me in some online games. So i searched over the internet to how to turn my Nat type to 1 "open " instead of 2 " moderate " , i found a lot of solutions ...
0
votes
0answers
11 views

Changing the default ip of an adhoc in windows 10 [duplicate]

Please how can I change the net-id of an ad-hoc created on Windows 10 from its default value 192.168.137.0 to 192.168.x.0 ?I've tried this manipulation but I can't find StandaloneDHCPAddress and ...
0
votes
1answer
35 views

I was getting strange IP Adress from my (2nd) router ad figure it out it was I change the ethernet port. Why I was getting strange IP? [closed]

I have two Routers, the 2nd a tp-link with dd-wrt. I configure it with the same SSID and other options to have one big wifi network. It worked well. But from one moment to another I was not getting ...
0
votes
1answer
20 views

Primary router routes everything through secondary router

I have two routers, that I want to represent two subnets. They are configured in this way:Primary router (from ISP):LAN: 192.168.0.1 / 24DHCP: 192.168.0.10-100SSID: 'router1'Secondary router:...
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votes
0answers
13 views

No router interface after flashing router (router Siemens Gigaset SE505 v3) dd-wrt

I flashed a router (Siemens Gigaset SE 505 v3) with dd-wrt using the windows tftp-client.Now I cannot bring up the interface or ping the router.I did this on Windows 10 using a LAN cable (this was ...
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votes
0answers
21 views

MAC address of all unresponsive IPs in my network are the same as the gateway mac address

I have problems assigning a new address to one of my servers, every time I want to add a new address it says that the address is already in use. So what I'm doing now is to use the arp tool to see ...
2
votes
1answer
72 views

Windows - internet not working on specific IP

I have a weird problem with one workstation. It's a computer running Win10 Pro with a static IP configuration. The IP was set more than year ago and it was working fine. Until today, when it suddenly ...
0
votes
1answer
40 views

Curiosity about DNS using dig command

I am analyzing the DNS section for the website imgur.com. My doubt is that when I run "dig imgur.com" dig only returns an IP address, if I run again the same command dig returns another IP address or ...
0
votes
0answers
32 views

BlackHole in Windows to discard IP packages

I am looking for a blackhole in Windows to discard IP packages.I normally use the option "blackhole" in linux and MacOSX but in Windows it seems there is not this option.After searching in ...

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