Abstract: Methods and systems for efficiently sending notification of the occurrence of events through a firewall. A client system operating inside a firewall, attempts to receive notification of the occurrence of events from a server system operating outside the firewall. The client system attempts to receive communication from the server system using a connectionless protocol, such as UDP. If the client system receives communication using the connectionless protocol, the client system requests notification be sent using the connectionless protocol. The server system notifies the client system by sending a packet to the server system, using the connectionless protocol, when events occur. However, if the client does not receive communication using the connectionless protocol, the client requests notifications be sent using a connection-oriented protocol, such as TCP.

Abstract: A method is described for managing property information related to a resource such as a computer file or directory. First, a property file is created for storing property information related to the resource. Next, the property file is directly associated with the resource such that if the resource is moved, copied, or deleted, the corresponding property file is also moved, copied, or deleted, thus protecting against disassociation. The property file is also directly associated with the resource without having to refer to a separate look-up or sequel database, thus saving computer time. Organizing the property file in this manner allows for searches to be performed on the property information as well as on the content of the resource.

Abstract: File system level access source control of resources within standard request-response protocols such as HTTP is disclosed. In one embodiment, the server receives a request, and determines whether a TRANSLATE header of the request specifies TRUE or FALSE. If the former, the server generates and returns the response to the resource. If the latter, the server determines whether an access source bit is turned on. If so, then it is determined whether a bit at the underlying file system level is also turned on. If so, then access to the source by the client is permitted; the source is returned. Otherwise, if either bit is off, an error message is returned.