High-Speed Async TCP Port Scanner
port-scanner-async is a info severity check in the
network category, written in rust.
Its source is templates/network/scanning/port-scanner-async.rs in
cert-x-gen-templates.
What it checks
Section titled “What it checks”Ultra-fast concurrent port scanning using Rust async runtime
Header
Section titled “Header”| Field | Value |
|---|---|
| Id | port-scanner-async |
| Severity | info |
| Language | rust |
| Category | network |
| Author | CERT-X-GEN Security Team |
| Template version | 1.0.0 |
| Confidence | 95 |
| CVSS | N/A |
| Weakness | N/A |
| Tags | recon, port-scan, rust, performance, async |
| Target kind | not recorded |
| Oracle | not recorded |
References
Section titled “References”Declared in the header. cxg parses @references and then discards it, and
nothing at scan time reads it, so this is the only place the links a
template cites are surfaced.
Run it
Section titled “Run it”To see what the copy on your machine says about itself, and to confirm it is installed at all:
cxg template info port-scanner-asyncThe id it prints is the one to pass anywhere a template is selected. See
cxg template for the rest of
the subcommand, Scan a target for running
a scan, and
A match is not a finding for how
to read what comes back.
Related
Section titled “Related”- Template catalog is the whole corpus.
- network is the rest of this category.
- Templates by weakness class groups checks by the defect they look for.
- Contribute a template is the route from a check you needed and could not find to a merged one.

