You cannot restrict Admistrators type users to change options.
Hardware address is the MAC address. IPv4 is the IP address. The MAC address is assigned to each network device at the time it's manufactured and does not change. The IP address is manually assigned and can be changed.
mac address, physical .address address book ,physical change
Sort of. The IP address you were using can be traced by Wikipedia. The IP address is assigned to you by your ISP, but it can change over time. The IP address is not necessarily assigned to your computer per se, but is assigned to the device that connects directly to the ISP, such as a cable or DSL modem.
A dynamically assigned IP address. This is often assigned by a DHCP server, using the DHCP protocol.
Since IP addresses are assigned to an ISP (which, in turn, are assigned to their users), yes, your IP address changes if you change your ISP. Sometimes, it also changes whenever you restart your broadband router or re-establish your internet connection - It depends on the ISP.
When you are opening ports to allow incoming connections to your computer, your computer must be assigned a static internal IP address, to ensure that the incoming connections always go to the correct computer.
Typically a static IP address, that being one that does not change and is easy to resolve via DNS.
To change the domain of a Windows computer using the Command Prompt, you can use the netdom command if you have the Remote Server Administration Tools installed. The command syntax is as follows: netdom join <ComputerName> /domain:<NewDomainName> /userD:<DomainUser> /passwordD:* Replace <ComputerName> with your computer's name, <NewDomainName> with the domain you want to join, and <DomainUser> with a user account that has permission to join the domain. After executing the command, you will typically need to restart the computer for the changes to take effect.
If your talking about a dial-up modem, it uses a public IP just like a ethernet card. It depends on your ISP, what range of IP addresses you are assigned when you connect (DHCP: automatically assigned IP address; IP address can change) or you could also have a static address( IP address is always the same).
Typically a static IP address, that being one that does not change and is easy to resolve via DNS.
Your IP address is assigned to you by your ISP ( Internet Service Provider ) If you want a Static IP, ( one that does not change ) then you need to talk to your ISP. There is typically a charge for this service. Most ISP assign IP's that periodically change and recycle, called Dynamic.