Meaning of port knocking | Babel Free
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.
This word is part of the CEFR B2 vocabulary — upper intermediate level.