Event logging (failure and success, including subsystem authentication) through the log browser supports filtering capabilities to define and store named filtering macros. The size of the log is configurable. The log collection facility allows the proxies to add information to the current log. The types of logged events are extensible to anticipate the evolving use of this facility. Filtering automates uploading, storage, and postprocessing of logs. You can create postprocessing of your choice of uploaded logs (for instance, analysis and compression).