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.

learn more… | top users | synonyms

0
votes
1answer
1 view

MacBook Pro Power over Ethernet support?

I've got recently a Cisco IP telephone. I've an MBP (15", Late 2011): Is there any way to enable PoE to test my phone? Or do I have to buy an extra PoE injector just for this purpose? Thanks in ...
0
votes
0answers
9 views

Linking 10.0.2.0/24 IPs with 192.168.1.0/24 IPs

The Problem I am currently messing about with some of the network tools in Linux, and I have found that if I perform an nmap scan using the 192.168.1.0/24 range, I get a bunch of lovely device names: ...
0
votes
2answers
50 views

Why I can't redirect using `hosts` file in windows?

I want to go to www.Google.com when I enter 1.1.1.1 in my browser. So I think I must change hosts file under windows\system32\drivers\etc path in Windows to map this IP address to Google homepage. I ...
1
vote
1answer
242 views

Weird response when I ping x.x.x.255

This is my computer network configuration: C:\Users\user>ipconfig Windows IP Configuration Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : Link-local IPv6 ...
0
votes
0answers
32 views

Allow trusted IP and Block others in Windows Server 2008 R2

For protection of a Web Server, I need to allow some trusted IP and block others. The solution I have tried: Create 2 inbound rules : Allow some IP and RDP IP Block All this resulted on ...
0
votes
1answer
12 views

netstat with --inet option does not display listening tcp por

Can someone please explain why the output of the command are different? user@geeko:~> netstat -ln | grep 9876 tcp 0 0 127.0.0.1:9876 :::* LISTEN and ...
0
votes
1answer
25 views

Internet drops - two routers handing out IP addresses?

My apartment block of 14 apartments share one fiber-optic internect connection. However, I've been having trouble setting up my wifi. I have two routers. 1) A D-link. This works out of the box, but ...
0
votes
0answers
10 views

Getting memory error while adding static route on mac

I am on mac with two interface Wifi LAN 144.33.22.22 I want that one ip go through to different interface I did this sudo route -n add -net 172.22.33.22 144.33.22.22 Then i get this error ...
0
votes
2answers
30 views

Dynamic IP assignment in theory [duplicate]

If I turn my router off for 24 hours or more I am always assigned a new dynamic IP address once I turn it on again. Theoretical question for you guys; Does that mean I don't actually have an ...
1
vote
1answer
50 views

If router is off for a few days, do you have an ip address as far as ISP is concerned?

I have an ISP which assigns IP addresses dynamically. If I go out and turn my router off I am always assigned a new one once I turn it back on. Does that mean that... 1) my previous IP goes elsewhere ...
1
vote
1answer
20 views

Sharing IP block between two computers?

I'm not too knowledgeable in this matter so I wanted to double check here. Say I have a server hosted in a datacenter with a CIDR IP block 104.x.y.z/28, which makes a total of 13 usable IPs, not ...
0
votes
1answer
24 views

Find all machines from a particular network that can connect to my server

A complete noob/novice here so you might have to be a bit patient so this might be a a very simple question We have a server in a specific network, say, 120.1.2.56 and only certain systems from a ...
0
votes
1answer
45 views

Can I allocate IPv6 addresses to directories of my web server?

I am running an apache server on a Debian machine and I have 1 IPv4 addresses and 20 IPv6 addresses. I want to run two websites of this server, can I allocate a directory an IPv6 address so that I can ...
-1
votes
0answers
31 views

Spam mail through private IP

My ISP reports that there are some spam mail has been sent from my ip(public ip). I have 50 useres in my office and we use TP link router so, how will I identify that from which private ip this spam ...
1
vote
3answers
67 views

Does a computer connected with a 4G USB dongle have a unique public IP address?

I will need my computer to have a unique public IP address meaning an IP address that no other device is having. I will be using it to receive UDP packet from another device that is not on the same ...
-4
votes
0answers
29 views

How do I change my IPV6 address?

I am trying to avoid a twitch perma IP ban by changing my IPV6 address, I am under Videotron Ltee, windows 8, using a Lynksys Cisco router and an Aris modem. For now I was using a VPN but it seems to ...
2
votes
5answers
104 views

Can I collect wireless packets using Wireshark while being connected to the Internet via cable?

I am working on a PC which is connected to my router using a LAN cable, and the other computers in my house are connected to my router using WiFi. We are all connected to the same network, so I ...
1
vote
0answers
51 views

convert Ethernet router into integration gateway

I need to integrate to an Ethernet proprietary network. It is IP based but doesn't implement TCP. I need a router which will poll devices on this network, and periodically post the data using ...
0
votes
0answers
12 views

Windows: Configure point-to-point-connection on one network card so it is completely independent from another network

I am developing for a Windows system which is supposed to have two network cards: 1) is to be used by a customer in arbitrary ways depending on his networking requirements 2) is used for a ...
0
votes
1answer
11 views

Not able to login to Tuleap after full installation due to TCP IP port configuration

Not able to login to Tuleap after full installation, as all the ports are in listen mode and 9091 port is not visible in ports.How to over come this and solve. With IP address we are getting tuleap ...
1
vote
1answer
28 views

Dual ethernet interaction [closed]

I was looking at the overview for MSI's new X99A motherboard and noticed that it came with two ethernet ports. I've only ever used motherboards with a single ethernet adapter so I am wondering how the ...
0
votes
1answer
31 views

I want to know how much user/ IP is online and which user is using high bandwidth on my network.? [closed]

I want to know how much User/IP are currently online or running and How much User/IP is offline/Shutdown. And which user is using high bandwidth (LAN/WAN) on my network... Please HELP ? I want a ...
0
votes
0answers
20 views

Debian 8: Server makes routers dhcp crash

I've got an old pc with debian 8 running as home server. A small problem is that whenever the server uses a lot of network traffic, let's say while downloading torrents, it seems to crash the dhcp of ...
0
votes
1answer
34 views

Is it possible to get ip address of a router thru mac id?

Is it possible to get ip address of a router thru its mac id (router) ? also I am connected in the same network (ISP)
0
votes
0answers
34 views

How to Identify Class A, B and C IP addresses that look similar?

The question I had come up on my CompTIA test was Which of the following is a private Class B IP address? The choices were A 10.0.15.1, B 172.16.0.1, C 172.16.1.1, D 192.168.1.1 We know that within ...
0
votes
0answers
21 views

Ubuntu server as DHCP server for dual stack

I currently have an Ubuntu server on VirtualBox set up to give hosts on my GNS3 topology IPv4 addresses, and it is working without issues. However, I would like to have that same DHCP server give out ...
-1
votes
4answers
115 views

What is the diference between IP subnet mask 255.255.254 .0 … or 255.255.255.0? [closed]

What is the diference between IP subnet mask 255.255.254.0 and 255.255.255.0?
0
votes
0answers
56 views

Router IP address

I have a wifi router which connects to the internet. The local IP of this router (router A) is 192.168.0.1 Few years ago, I had connected another router (Router B) to router A via an ethernet cable ...
0
votes
1answer
39 views

Connecting two home routers and change to IP addresses

Netgear Cable Modem Router Connected to Internet IP 192.168.0.1 DHCP is ON D-Link Router This is my wireless router IP 192.168.100.0 DHCO is OFF I want to use the D-Link router as my primary router ...
0
votes
0answers
48 views

How to dynamically change IP address repeatedly?

I'm working on a spam detection engine (early stages). I've deployed my spam detection engine on a web server and to test it I need to access the remote resource repeatedly with different client IP ...
0
votes
2answers
52 views

Static IPs through router

Don't know of it's even possible, or if it's the right place but here it goes. Facts: I have a router (on lease, can get something else if need be), TL-WR740N. My ISP gives me 3 external/global IPs ...
0
votes
3answers
62 views

Leading zeros in IPv4 address; is that a no-no by convention or standard?

I teach a class on a software product my company makes and I find that students frequently add leading zeros to a configuration page to have the software connect to our hardware. Leading zeros are ...
1
vote
1answer
35 views

How to block all IP addresses in a range?

In nginx, I know that to block all IPs in the range 5.121.66.xxx, one can use this directive: deny 5.121.66.0/24; Now, I'd like to know how a range like 5.121.yyy.xxx (where yyy in 1-255) can be ...
1
vote
1answer
33 views

Does DNS lookup change depending on the part of the site being requested?

DNS requests to different subdomains can be different. For example, example.com and subdomain.example.com can return different IP addresses. Does this logic extend to the parts of the domain after ...
0
votes
1answer
43 views

Loading a website using IP

As per my understanding DNS is used for resolving domain names into IP addresses. I am using Ubuntu. I did following. nslookup facebook.com gave me the IP of the website. I blocked DNS using firewall. ...
2
votes
1answer
45 views

Adding an additional routable subnet to router

I have commercial cable modem running Tomato 1.28 by shibby. It currently has a static IP address assigned via DHCP and works fine. I was assigned some additional routable IPs but they are in a ...
2
votes
1answer
23 views

Hopping Gateways in a Multi-gateway Network?

I'm on a network that has multiple gateways, and it seems that my machine connects to a different gateway than what my phone does. I'm curious as to how I may switch to another gateway. I've tried ...
0
votes
2answers
158 views

Can't connect to ftp server - Connection refused by server

I'm new to this forum and ftp. When I try to connect to a ftp server using filezilla, It returns - Connection attempt failed with "ECONNREFUSED - Connection refused by server". I run the Network ...
-2
votes
1answer
61 views

Why need subnet when public IP available?

I am just entering into CCNA and there is a subtle concept of subnetting that is not going through my mind. My issue is when we have a private IP address, why can't that do the job - why do we have ...
3
votes
1answer
43 views

Elicit the IP of a black box

Suppose an attacker connects their computer with an Ethernet cable to a black box computer, which supports both TCP and UDP, over IPv4, over Ethernet. Direct connection, no switches in the loop. The ...
0
votes
0answers
15 views

Masking external ip address using cmd or script on windows

I am using Windows and I want to mask my external ip address(not the "local "). using command prompt or some script, as we do in orbot on Android by swiping up in the app. i know about Tor browser ...
0
votes
2answers
73 views

find IP address of a device

I have multiple devices connceted to HP 1910-48g. Three of them are fingerprint scanner devices. We use them for time attendance reports. Because of some problems I have to reinstall software but in ...
13
votes
5answers
2k views

Identify an unknown IP in our network

I have a network containing 20 clients. I assigned IP range 10.0.0.1 to 10.0.0.20 to them. When I do an IP scanning I see someone using 10.0.0.131 in VMware. How can I find out which IP is this IP ...
0
votes
1answer
54 views

How can I assign an external static IP to my machine?

I have recently moved ISP's and in this transition I acquired 4 static IP's. My plan was to move my 1U rack-mount server from the datacenter i use to my home as I do not need the redundancy, ...
0
votes
0answers
5 views

Assigning a static IP to Hamachi VPN that's outside of DHCP range [duplicate]

I'm trying to assign a static IP outside of a DHCP range. The range is from xxx.xxx.20.5 to xxx.xxx.20.85. I was trying to set it to xxx.xxx.20.216 and I know Hamachi doesn't have an option that ...
0
votes
0answers
22 views

Accessing Web UI with Spark1.3.1

I am currently building and deploying spark with standalone mode, including one master node and two worker nodes, on Google Container Cluster. For monitoring purpose (also connecting to master from ...
0
votes
1answer
40 views

Can't find one virtual machine whose network IPV4 is DHCP enabled

I had a virtual machine which I connect remotely from my windows machine. Virtual machines TCP/IPV4 property was assigned one static IP address by the network administrator. I have changed that from ...
1
vote
0answers
33 views

point multiple ip address to hosting

I have centos server, earlier it had 1 ip [ a.b.c.d ] (external ip , eg., 141.101.114.59). Now, I bought 2 additional ip [b.c.d.e , f.g.h.i] (external ip , e.g, 190.93.244.58 , 130.93.245.8 ). I have ...
0
votes
0answers
28 views

Remote WOL over CISCO/FW not Forwarding

I'm trying to accomplish a Wake-on-LAN by triggering the two servers' public IPs. Internally, the WOL works like a charm (by either the internal or external IP), externally however, it does not wake ...
0
votes
1answer
66 views

Windows Server - Bridge ip address of different subnets

My Windows Server 2008 R2 has two network cards which are connected to physically separated networks. The Adapters have the following IP settings: LAN1 IP: 192.168.2.1 (Netmask 255.255.255.0) LAN2 ...