ISP IP versus Anonymous IP
For example if I am a Wireless Internet Service Provider and I have own IP for my subscribers. If a subscriber connect first using the wireless dongle (Ex. Huawei or ZTE) and my server open the port and connect it using our standard IP address. The subscriber now opens a Tunneling software like Ultrasurf which [...]

Answer Question   |  August 3, 2011  3:20 PM
IP address, IP address conflicts, IP address management, Wireless Internet Service Providers

Blocking spam IP addresses
I run a forum and have a problem with spammers attempting to join. We are a local forum and don’t have any users that are more then about 200 miles away. I can block IP addresses individually but would like to do so in groups. example- a user tries to join from 123.123.123.123 and I [...]

Answer Question   |  February 16, 2011  8:51 PM
IP address, IP address conflicts, IP address management, IP address spam

Network IP Problem
We have two Windows XP computers on the same network. One with an IP address of 10.xxx.xxx.120, second one with an IP address of 10.xxx.xxx.121.  When the 120 unit is on the internet, the other unit can not get on. When the 121 unit is on it stops the 120 unit from get out. We have [...]

Answer Question   |  February 23, 2011  10:15 PM
Dell Optiplex, IP address conflicts, IP address management, Network connectivity, Windows XP

Firewall receiving PINGS from a non-public IP address
My firewall has been receiving and blocking PING’s from the following IP address: 10.40.16.145. This address being a non-public IP address, I’m a bit confused. First, how does this data traverse the Internet when the originating IP address is not a standard public address? Is there any way to determine the true originating address? If [...]

Answer Question   |  February 7, 2011  8:49 PM
Firewalls, IP address, IP address conflicts, Network security

Spamming
There is 1 ip because of that spamming is generated so what can i do to resolv the problem.

Answer Question   |  August 16, 2010  6:55 AM
IP address, IP address conflicts, IP address management, Spam, Spam prevention, Spamming

Problems with connecting 2 sites with same IP range via VPN
We are about to connect 2 sites together using IPSec VPN and both of the sites have exactly the same Private 10.0.0.0 255.255.248.0 addressing scheme but neither can change on account of server setup. Just wondering if anyone knows of any problems with 2 sites having the same Private addressing scheme when connecting through VPN? [...]

Answer Question   |  June 25, 2010  10:24 PM
Cisco 1700, IP address conflicts, IPsec VPN, Routers, VPN, VPN issue

TWO DIFFERENT IP ADDRESS
 Port Forwarding Port Checker  give’s me this ip address”192.168.0.184″. But Open Port Check Tool return this ip address “24.247.163.127″.      What I try to do is set up an COD4 server, but unable to open the correct port ” 28960″. I am using an D-link DGL 4500 router.

Answer Question   |  November 3, 2009  12:28 AM
D-Link, D-Link DGL-4500, IP address conflicts, IP addressing, Routing and switching

How to detect duplicate IP addresses
How is it possible to detect/locate/discover a duplicate IP address in a network? If this network has a router, does this method of discovery still work?

Answer Question   |  August 27, 2009  9:40 PM
Duplicate IP addresses, IP address, IP address conflicts, Networking, Routing and switching

If my network’s configured incorrectly, how are my computers communicating?
I have a question regarding communication within a local network. Please correct me If I am wrong: If there are two computers in a local network, Computer (A) and Computer(B), and if (A) wants to communicate with (B) or vice versa, then the request first strikes the router’s LAN interface, right? My question is that [...]

Answer Question   |  June 8, 2009  1:09 PM
IP address, IP address conflicts, LAN, Local area networks, Network Configuration, Network design, Network hardware, Networking, Router IP address, Routers, Routing and switching

ip address of laptop to connect with office vpn
I was connected to a vpn but i switched to cable from dsl, now my laptop won’t connect to the vpn

Answer Question   |  February 9, 2011  5:52 PM
IP address, IP address conflicts, Network connectivity, VPN

IP address question.
I have some access units that come from the factory with the same default IP address. When we connect the units to the network to configure them we get IP address conflicts. Is there any way to isolate the units so we can configure them without having to do one at a time? Thanks, Ernesto

Answer Question   |  July 14, 2008  8:00 PM
IP address conflicts, IP addressing, Networking