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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What is the smallest size address block that can support the servers and routers in the perimeter network?

You are working as a network administrator for a company with 100 employees. Your company currently uses total of six public IP addresses for public routers and servers, all of which are hosted in a ...
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4 views

redirect server to subdomain

i totally new in this kind of stuf. i have one webspace where my main domain is, i created there a subdomain, called cloud.awesom-media.de now i have a server with a different ip and i installed ...
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1answer
24 views

How to setup routing on a Windows 7 machine

I have a machine with 2 network interfaces. The network itself looks like this | access point | wi-fi | my machine | | 2-nd machine | | 192.168.1.1 | ...
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1answer
18 views

Windows 7 setup routing between 2 networks

Situation: | access point | wi-fi | my machine | | 2-nd machine | | 192.168.1.1 | --------- | 192.168.1.37 | Ethernet | | Internet ---- ...
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1answer
31 views

Need a way to use 2 networks to access the server in parallel sharing data traffic

I have a server connected to Internet via two networks - A microwave link and an ADSL Link. The server has been assigned static IP address in both network. Both both the networks are not reliable and ...
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38 views

Can't externally ping my server

I set up an a Ubuntu Server with LAMP and am trying to access it externally. What I did: I set up an account at no-ip.com following this article I gave the server a local static ip of ...
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1answer
14 views

How to set some static and some dynamic IPs for different computers on 1 router/modem?

So I currently have 3 rasberry pi's stacked up connected to my network. My router has a built in modem (Actiontech V1000H) which has 4 LAN ports and 2 WAN ports? Not very sure, I dont know the ...
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6 views

what happens to my IP my inner VPN uses if my outer VPN channel breaks down?

I want to use a VPN tunnel within a VPN tunnel. So I establish a connection first, and then another one, which will already by routed via the first. The first is the outer one, the second the inner ...
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1answer
40 views

NAT in local IPv4 to extern IPv6

I have a cable router with an outgoing IPv6 address. In my lan I have IPv4 addresses. I want to access to my local server from internet. I am not familiar with IPv6, is there something like NAT? ...
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1answer
28 views

Peer-to-Peer communication in NLB cluster

I'm a system administrator at a library in Holland. Our personnel uses thin clients which are making a remote desktop session to our session servers. We have two session servers (Windows 2008 R2) ...
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1answer
24 views

add multiple static ip addresses to a server with systemd-networkd

We have a server with multiple IP adresses. Lately we migrated to systemd and we still need mutliple IPs on that server. With systemd-networkd we have some trouble finding a configuration example. so ...
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1answer
22 views

How can my server announce its presence to everyone in the network [closed]

The situation is as follows. I want to have an application running on a server. All of the desktops in the company has to connect to it. But I do not want the IP address of the server to be hard coded ...
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23 views

DNS Server won't work! [Bind 9 on Debian 7; Virtualized CT through Proxmox]

First I'd like to thank everyone in advance for helping me - communities like this are exactly what amatuers like myself need when faced with perplexing issues. I've recently begun virtualizing ...
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2answers
33 views

DNS server won't work! [Bind9 running on Debian 7; virtualized through Proxmox 3.1]

First I'd like to thank everyone in advance for helping me - communities like this are exactly what amatuers like myself need when faced with perplexing issues. I've recently begun virtualizing ...
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1answer
59 views

Unable to access website via hostname, but able to access via IP

this is probably a newbie question, but I won't learn if I don't ask :) I have a ubuntu webserver that hosts my website, and I have a no-ip account that provides the hostname. I was able to access ...
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1answer
60 views

Giving a switch an IP Address so I can telnet into it

Right, so I've just reloaded my switch resetting the to complete default configuration. It's a Cisco Catalyst 3560. What I am trying to achieve is this: Giving the switch an IP Address, then telnet to ...
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1answer
59 views

What does “ww35” or “ww20” mean in a URL or domain, like in ww35.mydomain.com? [duplicate]

What does "ww35" or "ww20" mean in a URL or domain like, in ww35.mydomain.com? What is they used for? Why when I visit some page using these, receive a message "This IP has been banned". Which IP ...
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1answer
39 views

Why can I access my server from my local network but I cannot access it remotely

I am currently having a weird issue with ubuntu 12.04 where I can access a my server locally but not externally my router has been set up correctly. I have 2 servers I am running at my house one is a ...
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18 views

Age of Empires II via TCP/IP Internet connection

I have made a lot of research about that, but still no luck. I'm behind a router so I got the specific ports forwaded. Once I create the game on AoF it shows my private IP, when I use GameRanger the ...
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1answer
22 views

By what route do packets travel if I use an external IP address for my home server?

Question If I connect to my home server via the domain name (i.e. via the external IP address), where do the packets travel? Do they travel to the home router, to my ISP router, and then back? ...
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1answer
45 views

Send files between two systems over LAN

I am able to send the files from one to another system connected on same router in a LAN. Now, I connected one more router to the first router to increase the range of wireless connectivity. When I ...
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2answers
39 views

grep to display all IPs in a text file (linux)

I'm writing a script to look for a ping from a certian foreign IP, but I am having some trouble understanding how to format my "grep" command.. Inside my text file is the output from "netstat anp" ...
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15 views

Unable to access local IP address of internet service provider after using Tp-Link router

I am using cable net provided by local internet operator. He has provided data on local IP 192.168.2.2 I am using TP-Link Router to use internet for more than one computers, My router model is as ...
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2answers
53 views

Do the last 5 digits from an IP Change?

I was wondering if you have a dynamic IP, or a Static IP and you change your ip by unplugging modem, will your last 5 digits from IP be the same or would they change? Also are you the only one with ...
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1answer
35 views

Is there a script to change ip address to bypass filtering?

Is there a script to change ip address to bypass internet filtering? as I know programs like freegate change the ip address to bypass internet firewalls.I want to write a script to do it by myself. ...
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19 views

Problems with internet connection with bridged connection

I am having a problem with my network, at the moment it is setup like this: Wireless Router - Laptop connected to Wifi - Pc connected to laptop via ethernet and bridged connection between WiFi and ...
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2answers
64 views

Connection closed by [SERVER_IP]

I'm not a guru of ssh but somehow I cannot connect to server with IP and username: ssh -p [PORT] [USERNAME]@[SERVER_IP] Response is always: Connection closed by [SERVER_IP] The problem is on the ...
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48 views

Can a cisco router execute a command itself? [migrated]

I'm experiencing a problem with my Cisco router 1900 Series, the router sometimes stop routing packets, and when i log into it and show the running-config i see no ip routing executing ip routing ...
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3answers
103 views

I changed the IP address on my router and now can't access the web interface

I changed the IP address on my bt home hub 5 router from 192.168.1.254 to 192.168.0.254 because I was trying to connect to an IP camera - big mistake. Now I can connect to the router but there is no ...
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1answer
21 views

How do I use no-ip in broaband connection from service provider?

My computer is connected to a broadband line and I have no access to the admin page. The providers use same ip for all its users, and internal ip is dynamic. So I cannot use the admin page to ...
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1answer
44 views

Unable to change my ip address

I can't change my ip address. When I right click local area connection -> properties, the properties for Internet Protocol Version 4 is greyed out. could anyone help me fix this? thanks a lot. Or ...
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2answers
53 views

IP filtering on a router

I enabled IP filtering on my Siemens ADSL SL2-141 router, and added a single rule blocking Google's homepage address 212.179.180.117: But, it seems to have no effect: I can still access this IP ...
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40 views

Reply from *VPN IP Address*: Destination host unreachable. Request timed out

I have a device attached to my Netgear router (recording device with an HDD). The IP is the first in the below image: I have a VPN IP set up for it. The getter command for it returns VPN IP ...
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1answer
44 views

how can i forward requests to my own IP address to a local IP address in my network (possibly using named)?

My setup I have a linux server running in my basement. I currently have my router looking to that server for DNS lookup, so I can use named to spoof a bunch of domain names to point to my local ...
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27 views

Very strange behavior when I try to connect using SSH. Why it works only if I copy and paste the IP address?

I am experiencing a very strange behavior. The situation is the following one: I connect to my RaspBerry Pi from my Ubuntu Linux 12.04 using SSH So I do the following operation: I go into my router ...
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1answer
113 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 ...
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1answer
22 views

Regestry edited but still no IPForwarding

A simplified view of the current setup: Host A1: 192.168.1.2 Host A2: 192.168.2.2 Host B: 192.168.1.1, 192.168.2.1, 192.168.10.1 Device C: 192.168.10.2 a bit more detailed: Host B, A1 and A2 ...
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45 views

Force netsh/arp binding multicast IP addres with specific MAC address

I would like to setup an binding from an IP address to a MAC address using netsh. Goal is to bond an IP address which is a multicast address (224.224.x.y) to a given MAC address (which is NOT the ...
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3answers
46 views

Accessing subpage of website by IP

I'm writing a php application that uses CURL to scrape data off websites. But the time it takes to load a website with curl is very, very slow. A lot slower than the time it takes to load it in Chrome ...
3
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1answer
40 views

when describing an IPv6 subnet, what does the /n notation mean, where n = 64, 128, etc.?

I have seen IPv6 subnets described as /64 or /128, particularly by hosting companies. Does a /64 subnet mean there are 64 ipv6 addresses? Or 64bits worth of ipv6 addresses?
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36 views

Computer selects DNS server instead of obtaining it automatically

So in the adapter setting when I click obtain Dns server address automatically, but after some time it reverts back to "use the following DNS server addresses" I want it to stay on Obtain DNS server ...
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1answer
23 views

Randomize my public IP

For some reasons, I want my computer/Local Area Network to have a different IP each time when I visit Google, or any other website. How can I do that without Restarting the router? Use different VPN ...
2
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2answers
68 views

How many hosts can an IPv4 /22 network handle at most?

This came up in a test question and I would like to know the real answer as the possible choices confuse me. How many hosts can a network handle at the most, based on the following address: ...
2
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0answers
17 views

How to mitigate IP fragmentation attacks before reassembly when authentication information is available?

I'm trying to filter incoming traffic to high bandwidth, low latency network, to mitigate DDOS. The incoming traffic is custom UDP (I'm setting the protocol specs so I can force IP headers if ...
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2answers
52 views

Batch Capture incoming Netstat IPs as variable

I'm trying to figure out if there is a way I can capture (and if possible, log) the ip addresses displayed from 'netstat' command. I'm trying to make a script that waits for a ping from a specific ...
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1answer
26 views

How to change ip address into a name customized

I can access my local WAMP with 192.168.1. However, I wish to make it prettier. Can I somehow make Apache recognize 192.168.1 as text similiar to a website (i.e. mysite.com or just mysite)? How can I ...
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1answer
29 views

How to eliminate the downtime when a dynamic IP address changes?

We currently have a number of client computers linked up to a database server (MS SQL 2008) for replication. The database server recognises the computers based on their Windows hostname. We are using ...
3
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2answers
569 views

Is there any way to abstract IP address during ssh?

I have a server which is in the middle of a forest. It is connected to the Internet via a microwave link and an ADSL link.Hence it has two different static IP addresses. Now if there is heavy rain, ...
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31 views

Can the MAC address of the USB stick broadband connection be traced together with the IP address?

Can the MAC address of the USB stick broadband connection be traced together with the IP address? Also, the mac address of the broadband stick used, computer or network card inside the laptop, etc.?
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5answers
86 views

Setup shared internet connection on virtualbox with fixed IP

I am a web developer and until recently I have been using ubuntu as my OS. For many reasons, I have switched back to windows. I still want to keep my server on linux platform, so I setup my local ...