Main Page | See live article | Alphabetical index An Acceptable Use Policy (AUP) was rules applied by many transit networks which restrict the use to which the network may be put. A well known example is NSFNet which does not allow commercial use. Enforcement of AUPs varies with the network. This article was originally based on material from FOLDOC, used with permission. Update as needed. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.