The ip tag has no wiki summary.
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2answers
35 views
IP routing to neighbour
If I am connecting directly to my neighbour next door who is using the same broadband provider, will my traffic go directly to him or will it go through the ISP?
Could you explain how this routing ...
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15 views
NAT for Sprint Nexus S “Portable Wi-Fi hotspot”
I am on a 2010 Macbook Air connected to the web over wifi tethering on my Sprint Nexus S.
I want to be able to host a few files using MAMP, but it seems that Sprint is running a NAT. When I query ...
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3answers
70 views
Where are addresses from the network 0.0.0.0/8 used in practice?
I read that this pool:
Means "these hosts" in "this network"
Is used for self-identification
Is used for broadcast messages
My questions are:
Where exactly these addresses can be found?
Which ...
2
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0answers
24 views
Linux firewall - change destination IP of outgoing packets
On a Linux box, I have a program that, among other things, sends UDP packets to a "private" IP address. I want to rewrite these packets to have a different destination IP address, without affecting ...
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3answers
40 views
Assigning IP addresses with multiple routers
I have a 3 router setup in my house, and I've managed to get everything to work properly, but I'm still not sure if I have set the IP addresses that the routers assign to the clients properly.
Right ...
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0answers
36 views
Why are all google website suddenly giving untrusted certificate warnings in my Firefox v10?
Today, I am suddenly getting the untrusted website error for all Google websites, but not for any other. Internet Explorer gives no such error. Reboot of this Windows 7 computer does not help.
Is ...
5
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1answer
57 views
How does Google bypass IP routing?
At the Google Public DNS Performance Benefits page, they claim
In Google Public DNS, we have implemented several approaches to speeding up DNS lookup times. Some of these approaches are fairly ...
0
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1answer
19 views
Added a new line to hosts file but doesn't work
I added this line to /etc/hosts:
127.0.0.1:8000 myapp.com
But when I access myapp.com from a web browser, it doesn't go to the IP that I listed first. Any idea why?
2
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1answer
69 views
Why is my static IP address different if I plug in a router?
I just purchased a static IP package from my ISP, and was told the IP was something like 24.x.x.x. And they assigned the static IP to the modem.
So, if I plug my cable modem directly to my laptop, ...
0
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3answers
44 views
How to set up multiple IP addresses on my Linux?
I'm doing some computer network homework and I'm supposed to develop some sort of Peer to Peer file sharing software. I want to test it and run a few (five) instances on Ubuntu 11.10, which means each ...
0
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1answer
54 views
Networking on a PC, want to send data from one interface to another over the network
If i have two network interface cars on my pc, like a wireless and LAN and i want to send data from wireless to LAN over the network, then tell me how can i do it.
I think i have to do something ...
2
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0answers
78 views
Assign IP address to a Virtual Printer
Is it possible to assign an IP to a virtual PDF Printer? Is there any Virtual printer software that automatically can do this?
1
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1answer
112 views
Is This Forged And Spoofy Email? [closed]
The email from Agent@Adobe.com claims to be from Adobe. After analyzing its source i have not found anything suspicious, only ivest8 and this IP: 98.143.35.69.
While invest8 shows a lot in Google, i ...
4
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1answer
133 views
What is the purpose of ports?
I have a few questions in regard to the following explanation of ports I found.
The Application layer talks to the Transport layer through a port.
Ports are numbered and standard ...
1
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2answers
93 views
Hardware/Software behind IP/TCP layers encapsulation
Every tutorial I read talks about how the layers "communicate" with each other, but never mentions what hardware/software receives, adds on, and sends each layer of control data.
What piece of ...
2
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1answer
97 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
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3answers
267 views
Yahoo pages not loading
When I type in www.yahoo.com on the address bar, it loads some page with random pop ups and spurious links. It was working well all along till yesterday. Other sites like gmail, facebook load and no ...
1
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1answer
52 views
Does mobile phones use TCP/IP? [closed]
Does mobile phones (any kind of mobile phone?) use TCP/IP over radio signals for internet? I would also like to know if they use VoIP for telephony? Please tell me what they use, I'm confused.
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0answers
71 views
resolve big lists of domains into ip addresses
I am trying to programme my own Anti-Distraction tool. It should block Facebook and similar websites. I use IP blocking, therefore I have huge lists with website domains that I need to resolve into ...
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0answers
11 views
Any HTPC solution - hardware + software or just software - with good DVB-IPTV support
I get my TV-signals over IP to my home, but the software for the solution is really bad and has lots of issues with record functionality and no way of getting content of my network.
I've been looking ...
0
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1answer
42 views
modify login prompt or header (/etc/issue) to display ip address of the machine
I work with a lot of virtual machines. For testing and preproduction set up.
I would like the login promt or header to display the ip address of the machine. That way when I start it up I can see ...
3
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1answer
31 views
DNSSEC regarding
I'm asking this question as software (and also because there have been a few DNSSEC questions on here in the past).
http://en.Wikipedia.org/wiki/DNS_cache_poisoning#Prevention_and_mitigation
I ...
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2answers
41 views
After Flushing DNS on Mac, IP still showing incorrectly
I'm working with a website that changed servers, and even after it fully switching over, I still get the old IP when doing nslookup.
I've tried flushing my DNS on my router and computer, and it still ...
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2answers
56 views
How often are IP addresses blocks for countries updated?
I have a website where I want to find out visitor's country from his IP address. There are some databases of country's IPs range that can be used. when I download them to my database, should I be ...
6
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2answers
83 views
Why can a network address not be a valid host address?
So... I have studied for CCNA and such and been working with IP networking at the least the past 8 years or so. I have always seen and been told that the network address for a subnet is not a valid ...
1
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1answer
75 views
Difference between TCP and IP tunnelling?
Can someone please explain in terms of the OSI (or TCP/IP) layers, what is the difference with what goes on when you tunnel IP or TCP, say over the ICMP protocol (although the latter doesnt really ...
0
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0answers
82 views
Can't access to my VPS
I try to connect to my VPS but I can't, even if i use an another computer. But when I use a different connection (other IP) it works.
So I was wondering, why my VPS blacklist my IP ? And where can I ...
0
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2answers
46 views
Route internet address to specific network interface
I have two network interface wired (eth0) which is filterd by proxy the other one is wireless (wlan0) which is free I need to make specific url's to wireless interface to avoid the proxy.
2
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3answers
129 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 dest ip by using something like route add 1.2.3.4/24 dev eth4 but I do not see how can ...
1
vote
1answer
100 views
Can IPSec (or any other VPN tunnel) hide your IP address while browsing?
Is there a VPN/tunnelling method which you can use to browse the web, but will also prevent somebody from seeing your IP address if they were sniffing the network?
I wasn't sure if the IP address ...
2
votes
1answer
23 views
How to get adapter setting (IPs, MASK, DNS,…) from corrupted Windows 7?
I want to get adapter setting from my corrupted Windows 7. Windows are now unbootable and unrepairable. I have got a ubuntu live dvd so I have access to all files. Is somewhere in Widows some file ...
5
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2answers
53 views
How can I store DNS cache in case the DNS server goes down?
I'm using OpenDNS's DNS servers. Today, it went down for half an hour. I'm wondering if I can store a cached copy of the DNS records of the websites that I visit often.
Google Chrome does this ...
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0answers
34 views
ICMP Tunnelling IP vs Tunnelling TCP?
Could someone please explain the difference between tunnelling IP data using ICMP packets and tunnelling TCP data via ICMP?
Obviously I know this is going to be something relevant to the different ...
0
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3answers
64 views
Resolving IP address from google services
I was using my work computer today, and connect to various internet services (e.g. google, gmail, etc.) Is there a way to check the IP of my work computer from home by looking at these internet ...
1
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3answers
50 views
How is it possible to detect whether or not a device is “routing”?
The building I'm in provides ethernet ports through the walls in each room, but it is stated in their policy that they "do not allow wireless routers."
They have been known to deactivate certain ...
0
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3answers
65 views
Cannot ping a device with an IP
I have a device (an handheld gauge with display) that has a ethernet cable allow transfer of data to the computer. I wired the ethernet cable to the computer. The device can ping itself to be ...
0
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1answer
21 views
Can I install on the router (Dlink 524T) a program that will send me e-mail with public IP ?
I would like to install a program on the router that will send me actual public IP of my network. I do not have an option of putting a separate machine to perform this task so I would have to do this ...
2
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1answer
49 views
How can I distribute USB broadband internet connection over my LAN?
I am using a wireless USB adapter with my PC (I have Windows XP installed). I want to distribute this USB network connection through the LAN card of my PC using a hub so that my three other friends ...
0
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1answer
67 views
Clarifying What exactly is a computer network? [closed]
Wikipedia:
A computer network, often simply referred to as a network, is a collection of hardware components and computers interconnected by communication channels that allow sharing of resources ...
1
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1answer
36 views
How do I find the IP address of a virtual machine using VMware Fusion?
Can I determine the IP of a virtual machine using VMware Fusion without actually entering the operating system running on the virtual machine? I'm looking for a menu option, command line, or otherwise ...
0
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1answer
75 views
Why is my IP displayed in nslookup and netstat different?
i am connected to the internet through a LAN. When I see my IP in Windows 7 when using netstat -a, my IP is 172.19..., but when I used Linux (Ubuntu), for just checking a host name by nslookup, there ...
2
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1answer
86 views
Understanding ipconfig output in Windows
I use Windows 7 and am connected to a LAN. In cmd I typed ipconfig.
There were many headings reading "Tunnel adapter local area connections" (with 13/19/17 appended to it). What does this mean?
...
7
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2answers
128 views
What do the various IP addresses mean?
When I visit a website (e.g. whatismyip.com) it states that my IP address is 13.151.xxx.xxx. However, when I run ipconfig, my IP address is 192.168.0.xx for IPv4 and my DNS adress is 202.xx.xxx.xx.
...
2
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2answers
67 views
Captive portal redirection by IP?
I have read a lot online how redirection by DNS works, could someone please tell me or point me in the right direction how a captive portal redirects unauthenticated users via IP and not DNS to ...
0
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1answer
210 views
How can I redirect a subdomain to an internal IP?
I have a FQDN let's say abc.com with only one external IP and I use zoneedit.com ns servers.
I have configured www as a CNAME of abc.com. The web server is setup wiith IIS on local computer. What I ...
3
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1answer
60 views
Two network connections are available to Windows 7 — which will it use?
I'm currently connected to my router both via a wired and wireless link. I have two IP addresses, one for each interface. Both point to the same gateway (my router). I'm curious, which one is Windows ...
2
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1answer
45 views
what's the purpose of an IP Gateway?
My hosting provider gives me an IP and an IP gateway address. I configured my domain to use the IP. I don't understand what is the use case for the gateway.
0
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1answer
51 views
View I.P. Address of a connected remote user
This might be hard to explain so I'm going to try my best here...
I have a computer that connects through a VPN tunnel and then uses remote desktop to gain access to another computer. I can go in ...
0
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2answers
90 views
Validate IP addresses in user input with batch script
Related:
Script to assign and remove arbitrary secondary IPs to an interface
I'm trying to augment the script in the above question, by validating the user input so that the script will only ...
0
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2answers
114 views
How can I find the source of connections coming from private IPs?
I'm an amateur home network administrator and I'm trying to ensure that the network is as secure as I can make it. We have a cable connection going through a Linksys router (WRT320) with the dd-wrt ...
