# Vault 7: Projects

This publication series is about specific projects related to the Vault 7 main publication.

### Grasshopper

# Grasshopper-v2_0_1-UserGuide

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8.5 Port Available
The “port_available” verb states that a specified TCP port is available.
Usage
network.port_available(<port>)
port
TCP port number
Truth Table
TRUE
TCP port is available for use
FALSE
TCP port is not available for use
INVALID
Error occurred while enumerating listening processes
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