internal/

Package banner performs a lightweight read on an already-open TCP connection, returning up to a few hundred bytes of service banner.

Package cli wires cobra commands onto the internal packages.

Package discovery decides whether a host is reachable without running the full port scan.

Package output renders per-host scan results in one of several formats.

Package portscan probes TCP ports.

Package progress provides a minimal reporter interface for the scanner to emit host-level progress updates.

Package ratelimit provides a goroutine-safe token-bucket limiter used by the SYN scanner to pace packet emission (--rate flag).

Package resolver performs concurrent reverse DNS lookups with a per-run cache so the same IP is not resolved twice.

Package script embeds a Lua 5.1 runtime (gopher-lua) so users can write small probes that run against open ports.

Package target parses target specifications (IPs, ranges, CIDR, hostnames, @file references) into a lazy iterator of addresses.

Package workerpool provides a two-level bounded-concurrency helper for the scanner (see §5 of scry-plan.md).