Segovia en tu móvil
4 stars based on
Los sistemas de firewall ayudan a evitar el acceso no autorizado a los recursos de los equipos. Firewall systems help prevent unauthorized access to computer resources.
El firewall es un componente de Microsoft Microsoft Windows. The firewall is a component of Microsoft Microsoft Windows. You can also install a firewall from another company. This article discusses how to configure the Windows firewall, but the basic principles apply to other firewall programs. For more information about the firewall and for authoritative firewall information, see the firewall documentation, such as Windows Firewall with Advanced Security and IPsec.
Users familiar with the Windows Firewall item in Control Panel and with the Windows Firewall with Advanced Security Microsoft Management Console MMC snap-in and who know which firewall settings they want to configure can move directly to the articles in the following list: Configurar un firewall para el acceso al servidor de informes Configure a Firewall for Report Server Access.
Firewalls work by inspecting incoming packets, and comparing them against a set of rules. If the rules do not allow the packet, the firewall discards the packet and, if logging is enabled, creates an entry in the firewall logging file. The list of informacion de entradas download manager traffic is populated in one of the following ways: When the computer that has the firewall enabled initiates communication, the firewall creates an entry in the list so that the response is allowed.
The incoming response is considered solicited traffic and you do not have to configure this. Un administrador configura las excepciones para el firewall. An administrator configures exceptions to the firewall. This allows either access to specified programs running on your computer, or access to specified connection ports on your computer. In this case, the computer accepts unsolicited incoming traffic when acting as a server, a listener, or a peer.
Choosing a firewall strategy is more complex than just deciding if a given port should be open or closed. When designing a firewall strategy for your enterprise, make sure that you consider all the rules and configuration options available to you.
This article does not review all the possible firewall options. Se recomienda que revise los siguientes documentos: We recommend that you review informacion de entradas download manager following documents: The first step in planning your informacion de entradas download manager configuration is to determine the current status of the firewall for your operating system.
If the operating system was upgraded from a previous version, the earlier firewall settings may have been preserved. Also, the firewall settings could have been changed by another administrator or by a Group Policy in your domain.
Turning on the firewall will affect other programs that access this computer, such as file and print sharing, and remote desktop connections. Administrators should consider all applications that are running on the computer before adjusting the firewall settings.
This snap-in presents most of the firewall options in an easy-to-use manner, and presents all firewall profiles. Un administrador puede usar la herramienta netsh. By using the netsh tool, you can direct the context commands you enter to the appropriate helper, and the helper then performs the command.
A helper is informacion de entradas download manager Dynamic Link Library. The details of using netsh are not discussed in this article. However, many of the configuration options described can be configured by using netsh. For example, run the following script at a command prompt to open TCP port A similar example informacion de entradas download manager the Windows Firewall for Advanced Security helper: For more information about netshsee the following links: La tabla siguiente muestra los puertos de uso frecuente por parte de Motor de base de datos Database Engine.
The following table lists the ports that are frequently used by the Motor de base de datos Database Engine. That means that every time that the Motor de base de datos Database Engine starts, it identifies an informacion de entradas download manager port and uses that port number. If the named instance is the only instance of the Motor de base de datos Database Engine installed, it will probably use TCP port If other instances of the Motor de base de datos Database Engine are installed, it will probably use a different TCP port.
Because the port selected might change every time that the Motor de informacion de entradas download manager de datos Database Engine is started, it is difficult to configure the firewall to enable access to the correct port number. Therefore, if a firewall is used, we recommend reconfiguring the Motor de base de datos Database Engine to use the same port number every time. This is called a fixed port or a static port. An alternative to configuring a named instance to listen on a fixed port is to create an exception in the firewall for a SQL Server SQL Server program such as sqlservr.
This can make it more difficult to audit which ports are open. Another consideration is that a service pack or cumulative update can change the path to the SQL Server SQL Server executable which will invalidate the firewall rule. From the start menu, type wf. Haga clic en Firewall de Windows con seguridad avanzada. Click Windows Firewall with Advanced Security.
En el panel izquierdo, haga clic en Reglas de entrada. In the left pane click Inbound rules. En el panel derecho, en Accioneshaga clic en Nueva regla… Se abre el Asistente para nueva regla de entrada. In the right pane, under Actions click New rule New Inbound Rule Wizard opens.
En Tipo de reglaescriba Programa. On Rule typeclick Program. Haga clic en Siguiente. En Programahaga clic en Esta ruta de acceso del programa. On Programclick This program path. El programa se denomina sqlservr. The program is called sqlservr. It is normally located at: On Actionclick Allow the connection. En Perfil, incluya los tres perfiles.
Profile, include all three profiles. En Nombreescriba un nombre para la regla. On Nametype a name for the rule. Haga clic informacion de entradas download manager Finalizar. La tabla siguiente muestra los puertos de uso frecuente por parte de Analysis Services Analysis Services. The following table lists the ports that are frequently used by Analysis Services Analysis Services. In this case, no ports have to be open for direct access informacion de entradas download manager Analysis Services Analysis Services.
The default portand portshould be restricted together with all other ports that are not required. La tabla siguiente muestra los puertos de uso frecuente por parte de Reporting Services Reporting Services.
The following table informacion de entradas download manager the ports that are frequently used by Reporting Services Reporting Services. When Reporting Services Reporting Services connects to an instance of the Motor de base de datos Database Engine or Analysis Services Analysis Servicesyou must also informacion de entradas download manager the appropriate ports for those informacion de entradas download manager. La tabla siguiente muestra los puertos de uso frecuente por parte del servicio Integration Services Integration Services.
The following table lists the ports that are used by the Integration Services Integration Services service. Se suelen conocer informalmente como "puertos RPC aleatorios". These are frequently informally referred to as "random RPC ports. In these cases, RPC clients rely on the RPC endpoint mapper to tell them which dynamic ports were assigned to the server. You can also restrict the range of ports that RPC dynamically assigns to a small range, regardless of the service.
Dado que el puerto se utiliza para muchos servicios, los usuarios malintencionados lo atacan con frecuencia. Because port is used for many services it is frequently attacked by malicious users. When opening portconsider restricting the scope of the firewall rule. For more information about portsee the following references: The Windows Firewall uses rules and rule groups to establish its configuration.
Each rule or rule group is generally associated with a particular program or service, and that program or service might modify or delete that rule without your knowledge. Enabling those rules will open ports 80 andand SQL Server SQL Server features that depend on ports 80 and will function if those rules are enabled.
However, administrators configuring IIS might modify or disable those informacion de entradas download manager. Therefore, if you are using port 80 or port for SQL Server Informacion de entradas download manager Serveryou should create your own rule or rule group that maintains your desired port configuration independently of the other IIS rules. So if there are two rules that both apply to port 80 with different parameterstraffic that matches either rule will be permitted.
So if one rule allows traffic over port 80 from local subnet and one rule allows traffic from any address, the net effect is that all traffic to port 80 is permitted regardless of the source. To summarize, the operating systems identify and remember each of the networks to which they connect with regard to connectivity, connections, and category. There are three network location types in Windows Firewall with Advanced Security: Windows can authenticate access to the domain informacion de entradas download manager for the domain to which the computer is joined.
Other than domain networks, all networks are initially categorized as public. Networks that represent direct connections to the Internet or are in public locations, such as airports and coffee shops should be left public.