Fairly fast packet filter (FFPF), an alternative platform for network monitoring under Linux. It is a stream-based networking subsystem for Linux that spans from hardware to userspace to offer high-speed communication paths to all applications. It transparently supports specialized hardware resources and in-kernel processing through safe functional units. FFPF is licensed under the GNU Lesser General Public License (GPL). [Adapted from FFPF Web site]
- fake copy listings
Refers to stealing or illegal republishing of Web content at a URL different than the original source. The goal of fake copy listings is to register that information with search engines. Unscrupulous companies do this in order to obtain better search engine rankings on specific keywords.
- False Acceptance
(fâls ak-sep´t&ns) (n.) In biometrics, the instance of a security system incorrectly verifying or identifying an unauthorized person. Also referred to as a type II error, a false acceptance typically is considered the most serious of biometric security errors as it gives unauthorized users access to systems that expressly are trying to keep them out. […]
- false positive
(fâls poz´&-tiv) (n.) The condition in which spam-filtering software will incorrectly identify a legitimate, solicited or expected e-mail as a spam transmission. As spammers use more and more sophisticated methods of averting spam filters, the filters have to adapt to keep the onslaught of spam at bay. While sophisticated spam filters, such as the ones […]
- false drop
A search results page that is returned, but not relevant to the search query. This usually happens when the pages returned contain the keyword, but is in the wrong context or the page author has used a form of keyword stuffing on the page.
- false rejection rate (FRR)
(fâls ri-jek´shun) (n.) In biometrics, FRR, or false rejection rate is the instance of a security system failing to verify or identify an authorized person. Also referred to as a type I error, a false rejection does not necessarily indicate a flaw in the biometric system; for example, in a fingerprint-based system, an incorrectly aligned […]