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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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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3answers
112 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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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
22 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
280 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
65 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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277 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
464 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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88 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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3answers
809 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
38 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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264 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
103 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 ...
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1answer
64 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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1answer
50 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 ...
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2answers
143 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: ...
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0answers
50 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
178 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
32 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
59 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 ...
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2answers
599 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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100 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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517 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 ...
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57 views

Zombie cookies are apparently stored in different locations, inside a computer, common to all Web Browsers installed on that specific computer, right?

Zombie cookies are apparently stored in different locations, inside a computer, common to all Web Browsers installed on that specific computer, right? Does the same process works when someone is ...
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If you visit a website they will know your IP address. But what about when you change broadband connection?

If you visited a website, of course they will know your IP address, right? But what about when you change your broadband connection? Will they still know that it is still from the same source or ...
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230 views

Access web server on LAN using IP fail

I have a web server in my LAN with IP: 192.168.1.103, I can only access the web server from browser in this computer through http://localhost:8080, I cannot access it through 192.168.1.103:8080, nor ...
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129 views

What information does an IP address provide

For example, if I use a web app that saves my IP address, what can be inferred from it? What can be deduced from an IP address (and to what degree of certainty)? Is it always possible to determine a ...
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1answer
100 views

Can next hop address be same as destination address? [closed]

Like if host address is 100.0.0.1 and next hop address is 100.0.0.2 and destination ip address is also 100.0.0.2 Is this a valid use case? Any real life usage? <dest ip> ...
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2answers
403 views

Is it possible to map static IP to computer name instead of MAC address?

I have a number of computers with different computer names connected to the network. They currently hold a static IP address based on their MAC address. In other words, the static IP address is mapped ...
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1answer
38 views

localhost IP address without network

I noticed that when querying ipconfig in cmd, I get the IP address only if I am connected to the Internet or another network, but nothing comes out when I am disconnected. In this case, what is the ...
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2answers
78 views

How to find largest possible IPv4 network within specified range

Let's say, we are given a range of 192.168.101.64 - 192.168.102.128. What is the easiest way to find the largest possible IPv4 network within specified range, including network address, subnet mask ...
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441 views

Is computer name a hostname that I can point it to an IP?

On my Windows7, when I get into the properties of My Computer, I can see that my computer name is compname123. It seems that when I ping or connect (say remote access) to this computer from another ...
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296 views

Re-assign IP address for VMWare image that is already running

I'm using VMWare Player. When an image running CentOS (Linux) 6.5 boots up, VMWare Player assigns an IP address dynamically (probably using DHCP) to that image. I'm assuming the IP address on the ...
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1answer
69 views

CIDR < 5 not allowed

Problem Two NICs have been connected using an ethernet cable. The ethernet adapters have been configured as follows: NIC I IP: 8.0.0.1 Subnet mask: 248.0.0.0 NIC II IP: 8.0.0.2 Subnet mask: ...
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2answers
69 views

How does wlan interface receive 802.11 management frames?

From what I have read, hostapd (its used for creating a wifi access-point) creates a mon0.wlan0 interface to send and receive wifi management frames ...
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1answer
117 views

Social Engineering Toolkit - Hosting website over VPN?

I have set up a 2. Website Attack Vectors using SET and I get confused when I need to use IP for hosting website. So the question is how do I do it ? I have static ip by using vpn as well as many ...
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187 views

Is it possible to “ping” an embedded device connected through a JTAG interface (USB)?

I currently have an atmel at91sam7x256 embedded device that is connected to my Windows machine through a JTAG interface of USB type. I am having difficulties getting the ethernet port to work, and ...
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4answers
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Setup static IP under Ubuntu 14.04 Trusty

How to setup static IP address under Ubuntu 14.04 Trusty? My setting is not working. What special about Ubuntu 14.04 Trusty is that I found it now using the "source-directory" keyword to source ...
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362 views

Unable to receive UDP broadcast packets on PPP connection

I am struggling for two days now with no success. I have two modems (do not ask, some special stuff), that uses dial up (PPP) connection. I tried this on windows XP and it works like a charm. I am ...
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141 views

Ethernet port on Linux machine not recognizing ethernet connection with embedded device

I have an atmel at91sam7x256 microcontroller that I would like to use for a TCP/IP communication. The very first step of my project is to be able to "ping" my board given its IP address. I have its IP ...
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51 views

macbook pro only pulls private ip

I'm on a mid 2011 mbp and I've now connected to two different routers and two different cable modems via Ethernet. I've tried manually assigning the IP addresses for the routers and no matter what I ...
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23 views

Additional ip addresses along dhcp

On windows it seems possible to add arbitrary ip addresses on the interface, but as soon as you add one, the addresses obtained with DHCP is removed. Is it possible to set static ip addresses while ...
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2answers
65 views

Retain information by an IP address [closed]

What information can I get only by having an IP address ? For example: Computer name, domain name, dns servers (if it's a server) etc. Thank you.
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198 views

How to block ip range in mac OSX?

I have some troubles with connections from ip 146.66.*.*. How to block them in OSX Mavericks without using external software if possible ? I know iptables on linux but I have no clue for mac. Note ...
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5answers
2k views

If IP addresses are unique, why is it so many routers have the address 192.168.1.1?

I have a beginner's question. If the IP address is your identity on the Internet and it is unique. Then how come every router's IP address is 192.168.1.1 and PC1 is 192.168.1.2, PC2 is 192.168.1.3 and ...
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2answers
404 views

Is it possible to get different external IP Address for two different computers that connect to the same router? How?

I want to play an online game with my brother, but the game seems to prevent having two users use the same external IP Address at the same time. Is there any way to have two different external IP ...
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2answers
84 views

Keep IP and MAC address when cable is unpluged

I have an application that look for ethernet interface and only works when at least one ethernet interface with an static IP and MAC address exists. this should show in ipconfig. I have an on-board ...
6
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1answer
527 views

Is listening on a port on the localhost of a server the same as listening on that port of the server's public IP address?

I set up a free Amazon EC2 instance in order to use a Node app outside of my localhost environment. The instance is allocated a public IP address at launch, mine for example being 54.187.31.42. Does ...
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56 views

Interpretation of the unix command: ip address

I have to interprete the result of the unix command: ip address I'm getting something like this: 2: eth-man: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen ...
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53 views

Ask dnsmasq the hostname used to find to an IP address

I know I can find a DNS name from an IP address by using a reverse translation DNS query. But that just gives me a DNS name for that IP. Instead, I'd like to find the DNS name that was used to find ...