UDPX

Single-packet UDP port scanner in Go that probes 45+ services across IPs, CIDRs and domains.

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UDPX is an open-source command-line UDP port scanner written in Go. It sends protocol-specific probes to detect more than 45 services on IP addresses, CIDR ranges or domains, and writes results in JSONL. It is aimed at network administrators and security researchers who need portable UDP scanning without extra dependencies.

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Problem & pain-point mapping
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What it's a strong alternative to
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