HomeServicesBlogDictionariesContactSpanish Course
Home › Dictionary › English › port knocking
← Back to search

Meaning of port knocking | Babel Free

Noun CEFR B2

Definitions

A means of securing ports on a firewall by requiring the host to attempt to connect to a prespecified sequence of closed ports before being allowed access to the desired port.

uncountable

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

Port Laoise Port Latta Port Lavaca Port Lincoln Port Louis Port Lyautey

Learn this word in context

See port knocking used in real conversations inside our free language course.

Start Free Course

Know this word better than we do? Language is a living thing — help us keep it growing. Collaborate with Babel Free