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
98 views
Simulating multiple IP access
Is there any way to simulate multiple IP access for a particular app (my app) from one machine? I do create some interesting facts/reports based on client IP, which is not related in anyway to app ...
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1answer
30 views
My laptop can't find a device that is connected to a my router but my other laptop can find it
I have this device that uses port 80000 and UDP. It came with a program that communicates with it. However, my laptop (laptop A) can't find that device using the program. So I tested the program to my ...
3
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1answer
65 views
From where does IP geographical location data come?
I don't understand how some sites (e.g. https://www.ultratools.com/tools/geoIpResult)
show country and town for an IP address. For example 193.45.10.135:
Continent: Europe
Country: Germany
Country ...
0
votes
1answer
50 views
Remote connection with a public IP
I want to connect remotely to a friend's computer via remote desktop. That remote PC is not in the same network. I should connect through the Internet. I know, we should need a public IP address to do ...
0
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1answer
65 views
Enter Network Password [duplicate]
When I try to open shared folder in another computer, it opens correctly.
Ex : \\192.168.1.1\folder1
But When I try to enter \\192.168.1.1\c$ , it asks a Username and a Network password.
But that ...
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3answers
486 views
Disabling IPv6 without tweaking the registry
I read an article that disabling IPv6 needs a registry hack. Is there a different way to disable IPv6 without modifying the registry in Windows 8?
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2answers
57 views
Splitting and connecting a small subnet
It's been a while since I built out a network so bear with me as I've lost some of the nomenclature.
Given "5" usable static IP addresses from our ISP is it possible to use 3 of them for globally ...
4
votes
2answers
2k views
How does an ISP assign IP?
I've noticed when I reconnect to internet, the last two bytes of IP address static IP changes.
Does that mean when I disconnect someone else could have the same IP? How does this process differ from ...
5
votes
2answers
15k views
How do I setup a virtualbox server with a static ip?
I'm trying to get a Virtualbox instance running with a very specific networking setup.
Here's what I have right now:
I have a laptop running Ubuntu, hosting a Debian Virtualbox. My loptop regularly ...
3
votes
7answers
1k views
Two routers network routing settings
I have two routers, Router A is connected to the internet, and Router B is connected to the LAN port of Router A.
Router A:
192.168.1.1
Subnet 255.255.255.0
Router B:
IP leased from router A: ...
0
votes
2answers
91 views
How to circumvent a private WAN IP address?
I just signed up with a new ISP and I got a dynamic private-range (172) IP as WAN address on my firewall/router, so I can't do any port forwarding. They say that to do port forwarding I must buy a ...
1
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0answers
37 views
Advanced QoS on prioritized first packages set by ISP
I have the following problem my ISP (Fibertel from Argentina) accelerates, 'enhances' the first 6.8 megabytes of downstream transfer and it's seems the first 1.8 megabytes of upstream transfer.
This ...
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3answers
2k views
Can User Using Public Wi-Fi Be Traced?
Let's imagine the following situation:
"Overintelligent hacker connects to Wi-Fi points across country and performs illegal activities that get government's attention.
If all the government can get ...
2
votes
2answers
432 views
Is it possible to statically assign public IPs and use DHCP on the same router?
My ISP has given me a set of public IP addresses I can assign to various devices.
But they have been controlling everything, and I've had to call them to make any changes to the configuration.
I'm ...
1
vote
1answer
190 views
Remote Desktop with Dynamic DNS
I have router with Dynamic Address. And I have registered for DnyDns service so that the changing public IP wont be any problem for me. Now my requirement is I should be able to connect to my ...
2
votes
3answers
2k views
NAT vs public IP (and blocked ports)
I have a problem with my ISP. They say that they don't block any ports and I have public IP, while I think these both statements are false. Before I talk to them again (which is really tough when my ...
0
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1answer
74 views
Virtualbox with WXP, static public IP on Ubuntu Server host
I have a Ubuntu server machine with 2 networks cards, one with a static public IP, connected to the router and the other for creating a NAT with other computers on the LAN.
On this machine I ...
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0answers
49 views
D-Link DIR-655 and DSL-2641B - 2 or more computers issue
Background:
I have DSL-2641B working in bridge mode and I have DIR-655 as my router.
I have a DSL connection, DSL-2641B just bridges the connection and passes it trough to DIR-655. So, all my ...
1
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1answer
47 views
Router logs showing something strange
I had been playing a game earlier when I started lagging, not abnormal though it was happening sporadically over the period of about an hour, which is pretty weird for me. I went to check my router to ...
4
votes
1answer
930 views
What does “network” mean in the /etc/network/interfaces file?
In Linux, to define aliases, we have to modify /etc/network/interfaces..
Something like this:
auto eth0:1
iface eth0:1 inet static
address 192.168.1.60
netmask 255.255.255.0
network x.x.x.x
...
18
votes
7answers
6k views
Why do we need subnet mask?
Since a IPv4 address already gives the information of the network and and host, why do we still need a subnet mask?
The 1st Octet already specify the network class (1-127: A, 128-191: B, 192-223: C ...
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1answer
53 views
How to create local network in virtualbox between Ubuntu server
I created a Ubuntu server on virtualbox that Ubuntu server install with minimal virtual machine.
I created the three linked clone and I have internal network between them. I removed ...
7
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7answers
11k views
Windows command that returns external IP
Is there a command by which I can find my external IP of my router or my NAT\DSL Router, etc., eliminating the need to visit whatsmyip.net or similar.
0
votes
1answer
47 views
OpenVPN configuration
Preamble: I am lucky to have an IP subnet which has real IPs, so no NAT. I have a network from 1.2.3.0 to 1.2.3.128.
I have a Debian server with an eth0 interface say 1.2.4.9. Now I want to have an ...
7
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3answers
245 views
How do routers assign IP addresses?
How does a router assign an IP address? Is this random or is there a set method?
It seems that the same device – regardless of the time it was connected – seems to get the same IP assigned. Does the ...
1
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2answers
139 views
DD-WRT SSH Setup
Okay so I installed DD-WRT firmware onto my Linksys E2000. I can see my dd-wrt page and everything but I am having trouble setting up ssh usage. I tried following these instructions. But after all ...
1
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3answers
139 views
Can we use public IP addresses on private networks?
Think, there are two computers which use two private IP addresses to connect each other. They don't connect to a router so there's no NAT in here. Just peer to peer. But I want to know, can we just ...
3
votes
3answers
15k views
How can I connect via SSH (Putty) to my VMWare machine (Ubuntu)?
I'm trying to connect to my VMWare (Workstation 7.1.3) machine (Ubuntu Lucid) via SSH. I've read through some other posts, but I can't figure this out. I ran ifconfig, and got a inet addr: and Bcast ...
3
votes
1answer
931 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 ...
0
votes
3answers
92 views
I should have a dynamic IP, but it won't change
I have run ipconfig /all, which tells me DHCP is enabled, meaning I should have a dynamic IP address. However, no matter how many times I restart the modem, I end up with the same IP address. What am ...
0
votes
1answer
97 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 ...
10
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7answers
669 views
Is it possible for many domain names to share one IP address?
Is it possible for many domain names to share one IP address? For example, www.xjtl.com, www.fmie.com, sdmfl.com, etc.
Hundreds of domain names share just one IP – when you do a DNS query for each of ...
2
votes
1answer
146 views
Connected via UMTS but can't ping default gateway
I have a UMTS modem/Windows computer that can't connect properly to the internet. It gets an active PDP context and Windows gets an IP address from DHCP, DNS and default gateway addresses.
But no ...
0
votes
1answer
40 views
Mulitple ISP IP's pointing to one router
My ISP is providing me with two dynamic and one static IP.
My question is: How is it possible to have three IP's, but i only have one router?
Or is it that i can only have a static or a dynamic ip ...
0
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0answers
20 views
GNU/Linux: Make bad connections usable
I have recently been traveling. On my way I experienced 3 different
bad connections:
Long latency (1000-10000 ms with around 10% loss)
High packet loss (50% loss)
Connection flapping two hops from ...
0
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1answer
36 views
See which dns addresses link to your ip?
I have a server on an IP with one dns listing pointing to it. Is there any ways to see which urls are set up to go to this ip. Also, is there a way to prevent people from setting up dns listings that ...
5
votes
3answers
936 views
What's the difference between 127.0.0.1 and 127.0.0.0
I know that both are loopback IPs, but they have another ip mask.
What's the difference between them? Can they be used interchangeably?
...
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4answers
3k views
Can a computer with 2 network cards have the same IP address for both
While answering this question I found something I didn't know and couldn't find an answer for.
In the context of the above question if a computer / server has 2 LAN ports built in on the motherboard ...
1
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2answers
42 views
What kind of methods are used to calculate IP ID fields?
I'm doing a bit of research on the methods of generating the ID field of the IP headers.
I have read the sources and other documents and have confirmed that Linux generates a random number for every ...
-1
votes
1answer
25 views
Making some setting in the remote PC so that its IP address can be traced [duplicate]
I have a shared PC at a remote place on LAN. I usually work on that using remote Desktop connection. But sometimes the IP address of the pc gets changed when someone accidentally or intentionally ...
0
votes
3answers
63 views
Finding IP address of a PC when it changes by making some setting
I have a shared PC at a remote place on the LAN. I usually work on it using remote desktop connection. Sometimes the IP address of the PC gets changed when someone accidentally or intentionally ...
0
votes
1answer
47 views
Multiple names for the same (local) computer
Long story short: I need a really easy way to assign multiple names for my local computer (Windows 7 Home edition), I've tried MaraDNS/Deadwood and AcrylicDNS which I've read they are the easiest to ...
-1
votes
1answer
188 views
How to override Windows 8 Hostname (computer name) with different IP address?
I want resolve Windows' hostname (computer name) to another IP. 127.0.0.1 myhostname in hosts file doesn't work. ping myhostname shows that it have ethernet adapter IP (192.168.1.2).
It works in ...
0
votes
1answer
50 views
Ports open but still can't access from remote
I have a dvr set up and working on local net and my ports are forwarded. I checked and all ports are open but I can't access it from remote using public IP address.
Also zviewer app for phone wont ...
1
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2answers
115 views
Public/Private IP addresses
There is something I've always been mixed up about with IP addressing. When a company purchases internet access from an ISP and obtains their inside global IP address that they'll use for NAT (lets ...
1
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1answer
155 views
Planetlab and scapy: MAC address to reach destination not found
Using the minimal Fedora 14 distribution provided in PlanetLab, I'm forging packets through Scapy and sending them with tcpreplay.
I thought I had installed all the necessary packages to run scapy ...
-4
votes
1answer
52 views
What information can a browser track about me on the internet? [closed]
When I go a to a website, what sort of information can that server collect about my identity, under normal circumstances? I knows they can track my IP address and operating system. What else is there? ...
2
votes
1answer
1k views
Two Verizon routers on the same network
I have Verizon FIOS and I'd like to have a router on each side of the apartment attached to the coaxial cable so that I can have a solid signal throughout. I have the routers configured so that one ...
1
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1answer
52 views
How to install a router successfully?
I want to install a router (D-LINK DIR-615). I connected one end of the ethernet cable to the internet port on the router and to other end to a port on the Internet Service Provider modem. Then I ...
1
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1answer
141 views
DD-WRT routers - How can I specify any/all IP address ranges?
I'm creating port forwarding rules on my DD-WRT router (shown below) and want to allow all (any) source networks access. My thought was to specify 0.0.0.0/32 but that is not working. How do I ...
