No DNS is based on the hirearchal system not NetBIOS.
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No, you cannot have the same netbios names because there would be a conflict between the computers and Netbios names are unique names.
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Lmhosts: provides NetBIOS-name-to-IP-address resolution
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The command to clear the NetBIOS name cache table is nbtstat -R
. This command releases and refreshes the NetBIOS name cache, effectively clearing it. You can run this command in the Command Prompt on a Windows system. Additionally, you can use nbtstat -S
to view the current NetBIOS name cache entries.
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you see the file name is WINS. which stands for window internet name service see the resolution happens like this (p.s WINS, is not a file name it is a protocol) NetBIOS, broadcasts names to listening nodes on the network. NetBIOS utilizes a User Datagram Protocol UDP, query to broadcast names. NetBIOS names identified computer on the network before the introduction of Windows 2000. The NetBIOS name is resolved to an IP address through windows Internet Name Service WINS,broadcasting, or the LMHOSTS file. If the LAN is a NetBIOS LAN, the NetBIOS name is then the network address. The NetBIOS name is assigned by an administrator when the operating system is installed. To enable communication, the following requirements exist. i hope i have helped
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The nbtstat
utility is a command-line tool in Windows that is used to troubleshoot NetBIOS over TCP/IP (NetBT) issues. It displays protocol statistics, current NetBIOS connections, and the NetBIOS name table for local and remote machines. This tool can help identify problems related to name resolution and can clear the NetBIOS name cache. Additionally, it can be used to refresh the NetBIOS name table, facilitating better network communication.
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Yes, there are several NetBIOS commands that can be used for network services on Windows systems. Common commands include nbtstat
for displaying NetBIOS over TCP/IP statistics, net view
to list shared resources on a network, and net use
for connecting to shared resources. These commands can help in managing and troubleshooting network connections involving NetBIOS.
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Worth noting is the popular confusion between the names NetBIOS and NetBEUI. NetBEUI originated strictly as the moniker for IBM's enhanced 1985 NetBIOS emulator for token ring. The name NetBEUI should have died there, considering that at the time, the NetBIOS implementations by other companies were known simply as NetBIOS regardless of whether they incorporated the API extensions found in that emulator. For MS-NET, however, Microsoft elected to name its implementation of the NBF protocol "NetBEUI" - literally naming its implementation of the transport protocol after IBM's second version of the API. Consequently, even today, Microsoft file and printer sharing over Ethernet continues to be called NetBEUI, with the name NetBIOS commonly used only in reference to file and printer sharing overTCP/IP. In truth, the former is NetBIOS over NBF, and the latter is NetBIOS over NBT.
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If you have Windows ME/9x and below systems, use WINS for a NETBIOS name resolution server as DNS does not resolve up NETBIOS.
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NetBIOS is an non-routing protocol(unlike RIP OSPF asf). It is unroutable (just useable on local LANs via Hubs or Switches.
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nbtstat
is a command-line utility in Windows used for troubleshooting NetBIOS over TCP/IP connections. It displays protocol statistics and current TCP/IP connections that use NetBIOS, allowing users to view NetBIOS name tables and resolve issues related to name resolution and connection problems. The tool is particularly useful for diagnosing network issues in environments using legacy NetBIOS services.
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Name the NetBIOS names you might expect from a Windows 2003 DC that is registered in WINS.
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Nbtstat stands for NetBIOS over TCP/IP Statistics. It is a command-line utility used in Windows to display protocol statistics and current TCP/IP connections that use NetBIOS over TCP/IP. Nbtstat can help troubleshoot network issues related to NetBIOS name resolution, displaying the name table of a remote computer and allowing users to clear or refresh the local cache of NetBIOS names.
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NetBIOS over TCP/IP (NetBT) enabled means that the NetBIOS protocol can operate over TCP/IP networks. This allows legacy applications that rely on NetBIOS for network communication to function on modern IP-based networks. When enabled, it facilitates name resolution and session services for devices on the network, enabling them to communicate more effectively. This feature is often used in Windows environments for file sharing and printer access.
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NetBIOS is an acronym for Network Basic Input/Output System. Network basic input/output system allows two or more different computers to communicate over the same area network.
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netbios is built in application in dos command mode we can use netbios in command mode. Its a default in every system that is installed with xp using netbios we can see the types of protocols used types and ip addresses of currently using servers we can also trace out ip addresses of th e servers that are connected with our servers we can also remotely work with other computers using netbios command mode some of the commands are netstat, nbtstat, tracer
(posted by earningsmugglers@gmail.com)
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WINS
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Pronounced net-booey, NetBEUI is short for NetBios Extended User Interface.It is an enhanced version of the NetBIOS protocol used by network operating systems such as LAN Manager, LAN Server, Windows for Workgroups, Windows 95 and Windows NT.
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As far as I know, NetBIOS was a own protocol once. Nowadays, Microsoft uses some components of it for networking via TCP/IP. When you access the properties of your network connection and choose "advanced", there is an option for deactivating NetBIOS. When you have Windows XP: Choose properties of you LAN connection properties of TCP/IP "advanced" (right part on the end of the properties window) click the third title "WINS" Here you might be able to deactivate NetBIOS, but I would not recommend it, because it is used for communicating with older systems and non-Windows enviroments.
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Windows Internet Name Service (WINS) provides a dynamic replicated database service that can register and resolve NetBIOS names to IP addresses used on your network. The Microsoft® Windows Server 2003 family provides WINS, which enables the server computer to act as a NetBIOS name server and register and resolve names for WINS-enabled client computers on your network as described in the NetBIOS over TCP/IP standards.
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Windows internet Name Service (WINS) provides a dynamic replicated database service that can register and resolve NetBIOS names to IP addresses used on your network. The Microsoft® Windows Server 2003 family provides WINS, which enables the server computer to act as a NetBIOS name server and register and resolve names for WINS-enabled client computers on your network as described in the NetBIOS over TCP/IP standards.
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Windows internet Name Service (WINS) provides a dynamic replicated database service that can register and resolve NetBIOS names to IP addresses used on your network. The Microsoft® Windows Server 2003 family provides WINS, which enables the server computer to act as a NetBIOS name server and register and resolve names for WINS-enabled client computers on your network as described in the NetBIOS over TCP/IP standards.
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Yes, NetBIOS applications should be replaced as they are considered outdated and limited in functionality. Modern networking protocols, such as DNS and TCP/IP, offer enhanced security, scalability, and performance. Additionally, reliance on NetBIOS can expose systems to vulnerabilities due to its lack of encryption and support for contemporary authentication methods. Transitioning to updated technologies ensures better compatibility and improved overall network efficiency.
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NetBEUI/NetBIOS & port
137, 139, 150
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Samba primarily uses two port numbers: TCP port 445 and UDP port 137. Port 445 is used for SMB (Server Message Block) over TCP, while port 137 is used for NetBIOS Name Service. Additionally, ports 138 and 139 are associated with NetBIOS Datagram Service and NetBIOS Session Service, respectively. These ports facilitate file sharing and printer services in a networked environment.
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It allows you to connect to a computer using its NetBIOS name rather than an IP address. It is similar in function to the IP Hosts file.
This technology is effectively deprecated (NetBIOS is an old technology) but allows the LMHost file to resolve NETBIOS names to IP address for environments with older applications. It is the last 'name resolution' mechanism to be used before name resolution fails.
Physically, it is a text file that is stored in Windows\System32\drivers\etc. A sample LM Host file with explanation can be found there (LMHost.sam).
It cannot be used with IPv6 and Windows uses DNS in preference to NetBIOS names since at least Windows 2000.
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Yes you can using the DWORD registry value DnsNbtLookupOrder that is lacated under the key HKLM\System|CurrentControlSet\Services\Tcpip\Parameters If the value is 0 NetBios has higher priority than DNS if the value is 1 DNS has higher priority than NetBios.
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No - WINS will translate between NetBios names.
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Netbios over tcp/ip
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Nbtstat is designed to help troubleshoot NetBIOS name resolution problems. When a network is functioning normally, NetBIOS over TCP/IP (NetBT) resolves NetBIOS names to IP addresses. It does this through several options for NetBIOS name resolution, including local cache lookup, WINS server query, broadcast, LMHOSTS lookup, Hosts lookup, and DNS server query.
The nbtstat command removes and corrects preloaded entries using a number of case-sensitive switches. The nbtstat - a <name > command performs a NetBIOS adapter status command on the computer name specified by < name> . The adapter status command returns the local NetBIOS name table for that computer as well as the MAC address of the adapter card. The nbtstat -A < IP address > command performs the same function using a target IP address rather than a name.
The nbtstat - c option shows the contents of the NetBIOS name cache, which contains NetBIOS name-to-IP address mappings.
nbtstat -n displays the names that have been registered locally on the system by NetBIOS applications such as the server and redirector.
The nbtstat -r command displays the count of all NetBIOS names resolved by broadcast and by querying a WINS server. The nbtstat -R command purges the name cache and reloads all #PRE entries from the LMHOSTS file. #PRE entries are the LMHOSTS name entries that are preloaded into the cache. For more information about the LMHOSTS file, see the appendix "LMHOSTS Files" in this book.
Nbtstat -RR sends name release packets to the WINS server and starts a refresh, thus re-registering all names with the name server without having to reboot. This is a new option in Windows NT 4.0 with Service Pack 4 as well as in Windows 2000.
You can use nbtstat -S to list the current NetBIOS sessions and their status, including statistics. Sample output looks like this:
C:\>nbtstat -S
Local Area Connection:
Node IpAddress: [172.16.0.142] Scope Id: []
NetBIOS Connection Table
Local Name State In/Out Remote Host Input Output
------------------------------------------------------------------
TESTPC1 <00> Connected Out 172.16.210.25 6MB 5MB
TESTPC1 <00> Connected Out 172.16.3.1 108KB 116KB
TESTPC1 <00> Connected Out 172.16.3.20 299KB 19KB
TESTPC1 <00> Connected Out 172.16.3.4 324KB 19KB
TESTPC1 <03> Listening
Finally, nbtstat -s provides a similar set of session listings, but provides the remote computer names, rather than their IP addresses.
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Nbtstat is designed to help troubleshoot NetBIOS name resolution problems. When a network is functioning normally, NetBIOS over TCP/IP (NetBT) resolves NetBIOS names to IP addresses. It does this through several options for NetBIOS name resolution, including local cache lookup, WINS server query, broadcast, LMHOSTS lookup, Hosts lookup, and DNS server query.
The nbtstat command removes and corrects preloaded entries using a number of case-sensitive switches. The nbtstat - a <name > command performs a NetBIOS adapter status command on the computer name specified by < name> . The adapter status command returns the local NetBIOS name table for that computer as well as the MAC address of the adapter card. The nbtstat -A < IP address > command performs the same function using a target IP address rather than a name.
The nbtstat - c option shows the contents of the NetBIOS name cache, which contains NetBIOS name-to-IP address mappings.
nbtstat -n displays the names that have been registered locally on the system by NetBIOS applications such as the server and redirector.
The nbtstat -r command displays the count of all NetBIOS names resolved by broadcast and by querying a WINS server. The nbtstat -R command purges the name cache and reloads all #PRE entries from the LMHOSTS file. #PRE entries are the LMHOSTS name entries that are preloaded into the cache. For more information about the LMHOSTS file, see the appendix "LMHOSTS Files" in this book.
Nbtstat -RR sends name release packets to the WINS server and starts a refresh, thus re-registering all names with the name server without having to reboot. This is a new option in Windows NT 4.0 with Service Pack 4 as well as in Windows 2000.
You can use nbtstat -S to list the current NetBIOS sessions and their status, including statistics. Sample output looks like this:
C:\>nbtstat -S
Local Area Connection:
Node IpAddress: [172.16.0.142] Scope Id: []
NetBIOS Connection Table
Local Name State In/Out Remote Host Input Output
------------------------------------------------------------------
TESTPC1 <00> Connected Out 172.16.210.25 6MB 5MB
TESTPC1 <00> Connected Out 172.16.3.1 108KB 116KB
TESTPC1 <00> Connected Out 172.16.3.20 299KB 19KB
TESTPC1 <00> Connected Out 172.16.3.4 324KB 19KB
TESTPC1 <03> Listening
Finally, nbtstat -s provides a similar set of session listings, but provides the remote computer names, rather than their IP addresses.
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Windows Internet Name Service (WINS) is Microsoft's implementation of NetBIOS Name Service (NBNS), a name server and service for NetBIOS computer names. Effectively WINS is to NetBIOS names, what DNS is to domain names — a central mapping of host names to network addresses. Like DNS it is broken into two parts, a Server Service (that manages the encoded Jet Database, server to server replication, service requests, and conflicts) and a TCP/IP Client component which manages the client's registration and renewal of names, and takes care of queries.
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Windows internet Name Service (WINS) is Microsoft's implementation of NetBIOS Name Service (NBNS), a name server and service for NetBIOS computer names. Effectively WINS is to NetBIOS names, what DNS is to domain names — a central mapping of host names to network addresses. Like DNS it is broken into two parts, a Server Service (that manages the encoded Jet Database, server to server replication, service requests, and conflicts) and a TCP/IP Client component which manages the client's registration and renewal of names, and takes care of queries.
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