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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2answers
39 views

Link Domain to home server

I've bought a domain (for i.e. www.mydomain.co.uk) and I've a home web server with nginx and PHP5. I want link the domain with my static home IP. What should I do? What I did: I tried to put in name ...
0
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3answers
77 views

Find a computer's hostname by IP address? ping/nbtstat/nslookup don't work

Note: Windows environment (servers & workstations): I'm having a small issue here at work where a server went down and the (not very smart) tech guys don't know which server was until we give them ...
1
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2answers
835 views

TCP\IP Packet Signature - how to identify such data packets?

I know of a program that can "carve" (look for) TCP IP Packets from raw binary data. The results it presents are the source and destination MAC addresses, the source and destination IP addresses and a ...
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2answers
23 views

confused on my allotted static ip addresses and hope to get clarity

I was given this for my dedicated server: xxx.xxx.232.80/28 From what I gather, my ip range is xxx.xxx.232.80 - 95 (or 94?) I'm not sure since I really don't understand what a broadcast ip does for ...
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2answers
9k views

How to get IP address of all users on a network on Mac OSX

There is a similar question here, but it doesn’t answer some of my questions. The biggest problem is it says to fill in “MyOtherMac” with the name of the other computer found in the first step. The ...
4
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5answers
3k views

What cross-platform command-line tool allows me to get my external IP address?

How do I get my external IP address from the Windows and Linux command line? On Windows, ipconfig shows an internal network IP address, but it does not show the external one.
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1answer
36 views

Different servers on the same port ipv4 / ipv6

Say I have two TCP servers A and B. A is an ipv4-only server listening on 127.0.0.1:10000. B is an ipv6-only server listening on ::1:10000. Can I start these on the same machine? That is, how are IP ...
0
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1answer
18 views

Custom entry in hosts file not directing to correct IP

I have an entry in my local hosts file pointing to: $my-server-ip development.$client-domain.com When I ping development.$client-domain.com, I get $server-ip, but when I visit it in a browser, I do ...
4
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2answers
10k views

What is the difference between a subnet mask and a netmask?

Is there any logic in using two different names for determining host ID and net ID? For example, if you type print route in a Command Prompt you get things with netmask, but the IPv4 settings seems ...
0
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2answers
58 views

Why do some domain names contain numbers and strange words?

Here are some examples which appear under the foreign address field when I run netstat (on Win7): lhr08s06-in-e11 edge-star-shw-12-erc3 Why don't these look like standard internet domain names (eg. ...
89
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13answers
9k views

Must TCP use IP?

Is it true that TCP is short for TCP/IP and they mean the same thing? Is it possible for TCP to be built on top of another protocol besides IP?
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3answers
285 views

How to get assigned IPs by hostednetwork?

I just started using Microsoft Virtual WiFi or hostednetwork from Command Prompt to share my internet connection through my WiFi adapter and it's good so far! The only issue I face however is that I ...
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2answers
67 views

How to view masked IP adress and port?

In my friends work place there is normally a broadband network and they PC's connect through Router and there is one website like this <10.1.1.7:9095> and i really wanna figure out what this ...
1
vote
1answer
599 views

What is major network mask and subnet mask

I've been served with a question to find Major Network Mask and I've only given Host IP address and sub-net mask. I have to find the Major Network Mask using Host IP and sub-net mask. Another ...
0
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1answer
198 views

How to force to send data to router (on L3) instead sending directly? (on L2)

I have a public IP-addr on one machine: a.b.c.156/32 The GW is a.b.c.133 (which is in the /27 network with its gateway a.b.c.129) I statically added an arp route: sudo arp -an a.b.c.133 at ...
2
votes
1answer
218 views

Is there a way to detect a LAN's IP and its subnet mask?

I'm not a English speaker, but I'll try my best make it clear: If your laptop connects to a unknown local network (through a wireless or wired router) and there's no DHCP service at all, and nobody ...
0
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0answers
26 views

Create Proxy Server using command line utility

Currently I am using Hola (https://hola.org/) an extension to Google Chrome. It works like charm and I can access any site and it mimics that it is from some other Country, just hiding my real Ip ...
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3answers
38 views

Understanding IP addresses on Linux machines

When I read /etc/hosts on my Ubuntu machine, the first two lines are as follows: ipAddr1 localhost ipAddr2 nameOfMachine Are these IP addresses characteristic to my machine or are they related to ...
2
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1answer
544 views

routing a secondary IP-addr. of a different private network on the same interface

Typical home-networking xDSL setup on a TG782 router/gateway. Hosts on the local private network are allocated IP-addresses in the range of 192.168.1.0/24 and can get to WAN through the aforementioned ...
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0answers
404 views

iproute nexthop not working - defining multiple default gateways

I have several point to point connections and I’d like to use all of them as default gateways. I saw this link which explains how to do this using load balancing by calling ip route with a next hop ...
3
votes
1answer
506 views

What information can my ISP see from my router?

I installed a new router today and saw my IP address change because the new router has a different MAC address and I am just curious on what information my ISP can see from my network. I know they ...
0
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1answer
2k views

IPV4 Lan 2 IPs remove 169.254.* from nic

When I ipconfig: Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : IPv4 Address. . . . . . . . . . . : 172.30.2.194 Subnet Mask . . . . . . . . . . . : 255.255.255.0 IPv4 ...
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0answers
28 views

How can I connect to UNC path on an external server in Windows Explorer?

I am using Windows Explorer and would like to connect to a certain IP address. After that, I want to connect to a different IP address through the server. Ex: A -> B -> C A is my current computer. B ...
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2answers
2k views

Spoofing internet ip on ubuntu

I want to spoof my internet ip on my Ubuntu 10.10 system so that I can access country specific websites. Can some one please tell me how to go about this?
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2answers
84 views

How come I have an internal IP address on an android smartphone

I just played around a little with the Speedtest app for android from Ookla, it shows that I have both internal and an external IP addresses. I understand that I have an external IP address which is ...
4
votes
3answers
557 views

finding geolocation from an ip address

How can I find a location such as city/state or country from an ip address? Is there a ruby gem or python module to do this? Or if there is a website which has an API.
2
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1answer
492 views

Hiding my location to websites with region-specific languages/content

I just went to download Microsoft Secority Essentials and it enraged me as it redirected me to a site in my home language and not the default English. If I go to America, I don't want them to speak ...
1
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1answer
604 views

Remote and Local IP address - determine location

There is way to determine location (on a map) remote IP. Was wondering how to determine user location if I now local IP?
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1answer
118 views

check if two IP addresses belong to the same router

I have several hosts from which I traceroute to the same destination. Is there a way to determine whether two IP addresses belong to different interfaces of the same router? Is it enough to check if ...
0
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0answers
30 views

Route IP traffic to different machines based on API call

I have a requirement to route IP traffic on public IP a.b.c.d:xyz to either e.f.g.h:xyz or e.f.g.i:xyz, based upon some known state of those machines (known to my app). The traffic itself would not ...
1
vote
0answers
52 views

Batch check if IP is within specific range

I'm trying to make a batch script to get local IP-address of active NIC (could be wireless or local). To get IP adress I have used following line: FOR /F "delims=[] tokens=2" %%a in ('ping -4 ...
1
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1answer
65 views

Batch file for configuring the ip address and removing it

My pc has a network configuration IP- 192.168.0.99 192.168.4.20 Mask- 255.255.255.0 255.255.255.0 Gateway- 192.168.0.1 192.168.4.1 I am connecting to the internet through the ...
2
votes
1answer
30 views

How to add addional IP addresses to an interface through batch file

I have assigned a IP address to my LAN interface through netsh int ip set address "LAN" static 192.168.0.99 255.255.255.0 192.168.0.1 Now I want to add 192.168.4.20 with gateway 192.168.4.1 to the ...
0
votes
1answer
20 views

Updated DNS zone can't be seen from my local network

I have updated a domain name DNS zone on 123-reg.co.uk where I bought the domain name. I have only updated blog A record to different hosting(IP) On my PC home (windows) or another PC in the same ...
0
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3answers
740 views

Unable to connect to IP-camera

I have a Sinocam IP-camera which was connected to a Huawei b593 4g router, until a supposed computer engineer fiddled with the cameras settings and rendered it unusable. The camera ships with a static ...
6
votes
1answer
4k views

How many characters can an IP address be?

I have to create a field in a mysql table to store ip addresses. I need to know the maximum characters an ip address can possibly be. Whether ipv4, ipv6 or some other type that can render a valid ip ...
1
vote
1answer
42 views

Understanding IP Information Results

Am trying to understand why some IPs like this one shows results in different country. This below output is from using IP Information function provided by DNSStuff.com. This was a key IP in ...
2
votes
1answer
46 views

windows 7: assign static IP address [duplicate]

I want to connect two laptops with a crossover Ethernet cable, in order to synchronize them with ntp. One laptop runs Windows 7, the other one Ubuntu. On Ubuntu, in order to assign a static IP ...
24
votes
6answers
16k views

How can I own an IP address?

How can I own an IP address like I do with domains? I have done some research and it seems that you can't buy a single IP, but rather you have to purchase a range of IP addresses. Update : Important ...
0
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1answer
43 views

Cisco gear - finding mac address of a device based on Ip address?

Say, I have some devices connected to cisco routers. I want to be able to query an api or something using an IP address of one of the devices, and receive back it's mac address. Is this possible? ...
0
votes
1answer
18 views

MediaWiki Availibility for Local and External

I'm currently hosting a MediaWiki site on my computer. I'm forwarding port 80 to my computer, and I'm able to access it from outside the network, as long as the $wgServer variable in ...
2
votes
0answers
57 views

*.org domain websites are not loading

The problem is that any page with *.org domain in not loading on my computer (Ubuntu 14.04). Any other domains like *.com, *.net are loading! This is very strange. I tried in different browsers, and ...
8
votes
5answers
2k views

How does a server get notified about the HTTP request?

I have a basic understanding of how HTTP works. I understand the client (web browser) makes a request and server responds back to the request. However, the thing I don't understand is how does a web ...
0
votes
3answers
62 views

How does a web server return an HTTP request?

I'm sorry if this is a really stupid question; my networking knowledge is pretty sparse. So, a user makes a HTTP request to some address. That request comes from an address on a local subnet, but the ...
5
votes
3answers
2k views

How to message any user on your LAN?

I have admin access to all (read most) the machines on my LAN. However, I wanted all users to be able to coordinate with each other. How should I approach this problem? One solution which I can think ...
0
votes
1answer
27 views

Blocked or masked IP

I had an email returned as blacklisted by AT&T and in searching for a remedy came across mxtools and whitelisted.org. Upon visiting both sites an IP in the UK was default loaded 88.208.246.34. It ...
10
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3answers
42k views

How to route only specific subnet (source ip) to a particular interface?

How to route only specific subnet (source ip) to a particular interface? OS: Linux I know I can do easily by destination IP by using something like route add 1.2.3.4/24 dev eth4 but I do not ...
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votes
1answer
109 views

“DoS attack: Smurf” in router logs - should i worry?

Here is 2 day filtered log from my Netgear 6300 Router. It seems that I am constantly having SMURF attacks. Based on my router settings it seems that I am being protected. I have "Disable Port Scan ...
0
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2answers
46 views

how to unblock ip address with iptables command?

I get my own ip address (maybe 123.45.6.7). iptables -I INPUT -s 123.45.6.7 -j DROP Now i was blocked myself,when i login server with other pc ,how to write iptables command to unblock myself? I ...
0
votes
2answers
49 views

Quick way to calculate subnet IP and broadcast IP

I'm having trouble findind a quick/effective method to determine valid IP range based on given router IP and netmask I know how to calculate the subnet IP and the broadcast IP by converting all the ...