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How to restrict adsl internet acess ?

How to restrict internet acess in an adsl connection which uses a dynamic IP assigned by DHCp?

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Please check the all pc mac address & this all mac adress u can do allow & deny in your adsl modem

Posted on Jul 06, 2010

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Posted on Jan 02, 2017

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Can you tell me what an ip addresse is im trying to connect to xbox live and it keeps asking for ip addresse


Every device connected to the public internet is assigned a unique number known as an internet protocol (IP) address. IP addresses consist of four numbers separated by periods(also called a 'dotted-quad') and look something like 127.0.0.1 

since these numbers are usually assigned to internet service providers with region based blocks, an IP address can often be used to identify the region or country from which a computer is connecting to the internet. an IP adress can sometimes be used to show the users general location because the numbers may be tedious to deal with, an IP adress may also be assigned to a host name, which is sometimes easier to remember hostnames may be looked up to find IP adresses,and vice-versa. at one time ISPs issued one IP adress to each user. These are called static IP addresses. beacuse there is a limited number of IP adresses and with increased usage of the internet ISPs now issue IP adresses in a dynamic fashion out of a pool of IP addresses (using DHCP). these are referred to as dynamic IP addresses. This also limits the ability of the user to host websites mail servers, ftp servers, etc. in addition to users connecting to the internet with virtual hosting,a single machine can act like multiple machines (with multiple domain names and IP addresses).

Jan 30, 2010 | Microsoft Xbox 360 Elite Console

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IP Conflicts in a work place


An IP address conflict occurs when two computers on a LAN or the Internet have been assigned the same IP. IP conflicts between two computers normally render either one or both of them unusable for network operations.

How IP Address Conflicts Happen

Two computers can acquire conflicting IP addresses in any of several ways:

· A system administrator assigns two computers on the LAN the same Static IP Address.

· A system administrator assigns a computer a static IP address within the local network's DHCP range (dynamic IP range), and the same address is automatically assigned by the LAN DHCP server.

· A malfunction in the network's DHCP server allows the same dynamic address to automatically be assigned to multiple computers.

· An ISP accidentally assigns two customers the same IP address (either statically or dynamically).

· A mobile computer is put into standby / hibernate mode and then awakened later.

Note that other forms of IP conflicts can also occur on a network. For example, one computer may experience an IP address conflict with itself if that computer is configured with multiple Network Adapters. System administrators may also create IP conflicts by accidentally connecting two ports of a network switch or router to each other.

Recognizing IP Address Conflicts

On most Microsoft Windows computers, if you attempt to set a fixed (static) IP address that is already active on the local network, you will receive the following pop-up error message:

The static IP address that was just configured is already in use on the network. Please reconfigure a different IP address.

On newer Microsoft Windows computers having dynamic IP conflicts, you should receive a balloon error message in the Taskbar as soon as the operating system detects the issue:

There is an IP address conflict with another system on the network.

Sometimes, especially on older Windows computers, a message similar to the following may instead appear in a pop-up window:

The system has detected a conflict for IP address...

On Mac or Linux computers, a similar message will normally appear on screen.

Resolving IP Address Conflicts

Try the following remedies for IP conflicts:

1. For networks where IP addresses are fixed (statically assigned), ensure each local host is configured with a unique IP address.

2. If your computer has a dynamically assigned address, releasing and renewing its IP address can workaround IP address conflicts.
3. If your home router is believed to have a faulty DHCP server causing IP conflicts on the home network, upgrading the router firmware may resolve this problem.

on Nov 24, 2010 | Computers & Internet

1 Answer

It says that my computer is connected to network and internet but it my computer cant browse in the internet


Likely a DNS problem.

1. Check to see if your router is set to obtain DNs as dynamic or static (probably dynamic). Verify the listed primary & secondary DNS servers are correct for your ISP.
2. Check router to see if it acts as DHCP server for your network to assign ip numbers to clients. If so, then verify your computer as dynamic, otherwise set static ip in the same subnet.
3. Verify gateway assignments.

May 16, 2009 | Computers & Internet

1 Answer

Netgear SmartWizard Help


Is there an option to use a dynamically assigned IP address (also called DHCP)?

That's most likely the option you need, almost all home Internet providers use DHCP to assign the information you are asking for automatically to your Internet connected device (in this case, your router).

Let me know what options are available to you if neither Automatic or DHCP is.

Thanks!

Mar 29, 2009 | NetGear WGR614 Wireless Router

1 Answer

ADSL Router wont get ip address from operator


sir if your ISP account is PPPoE or using username and password to connect, try to open your router using web interface configuration, locate your account and try to disconnect then connect.  hard reset afterwards(on/off the device)
if your using a dynamic account, try to RESET your modem and do the hard reset.  check your IP using command prompt, to do this type ipconfig /release, when it releases to zeros, type ipconfig /renew to have your IP's back...check internet connection then
Winsor

Sep 02, 2008 | Zyxel P660HW-D1 Router

2 Answers

Have already described this probelm four times and paid for premium assistance. Hello????


if you have problem sir/mam just contact me. Reggie is your best contact solution to your problems.. Thanks

Mar 27, 2008 | Computers & Internet

2 Answers

Wireless internet hookup


What seems to be the problem of your wireless internet?

Mar 27, 2008 | Computers & Internet

1 Answer

Laptop (Averatec Model #3150


Hi
I am try to take a stab at answering your query.

Internet Protocol (IP) Address preceeding with "169" means your PC is not receiving IP Address "generally" from your Boradband Modem or Internet Service Provider (ISP). The PC through Automatic Private Internet Protocol Addressing (APIPA) is assigning itself a temporal IP address.
This conditions means either
1. Dynamic Host Configuration Protocol (DHCP) Client service is not running properly on your PC (Unlikely)
2. There is no connection between your PC and Broadband Device or ISP wired or wirelessly (very likely)
3. DHCP Server Service is not configured or not running on Boardband device (likely) or ISP (unlikely)
4. Some firewall software when improperly configured are known to block all ports and services. This can block TCP Ports 67 and 68 used by DHCP Client/Server communication (quite likely)
Some pointers for more info;
1. Your query suggest your issues are limited to Wireless connection. Can you access Internet through wired connection? If so;
a) What Wired connection is in use? USB or Ethernet?
b) Is wired connection through same Broadband device?
c) What IP is assigned to your PC in wired connection?
d) If wired connection works, is IP assignment static or by DHCP?
e) What Boardband device is in use? In which mode is the device set to? Router/Bridge
2. If you can't connect both wired and wireless, then it is unlikely your PC hardware is at fault. Call your Broadband Provider for further help and configuration. Try entily disabling your firwall software (if installed) and test conection.
3. If you can connect through wired connection and your IP Address does not proceed with "192.168" or "172.16" then your boadband device is likely in a bridge mode. In bridge mode, the DHCP Server Service on your boardband device is disabled. Most ISPs will only assign only one IP address to a user. If an IP address has been assigned to your PC on the wired connection, then the wireless connection will not receive an IP address and therefore your PC will assign itself an IP in the range "169.254"

Regards
Mike

Mar 27, 2008 | Averatec 3150H Notebook

2 Answers

Trying to hook up lap top to wireless internet. Comcast tech says there is problem with IP# 169 which preceeds other numbers and needs to be removed for hookup. How can I accomplish this? Model #3150H


Usually you will have an IP address starting with 169 if the adapter cannot get an ip address from anywhere, it is an autmoatic IP address.

What operating system (Windows XP or 2000 or Vista) are you using?

Mar 27, 2008 | Computers & Internet

1 Answer

What is BOOTP/DHCP?


BOOTP stands for Bootstrap Protocol. DHCP stands for Dynamic Host Configuration Protocol. Both are mechanisms to dynamically assign an IP address for a TCP/IP client by the server. In this case, the Prestige 310 Internet Access Sharing Router is a BOOTP/DHCP server. Win95 and WinNT clients use DHCP to request an internal IP address, while WFW and WinSock clients use BOOTP. TCP/IP clients may specify their own IP or utilize BOOTP/DHCP to request an IP address.

Feb 19, 2006 | Zyxel Prestige 310 (AM406100) Router

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