freeCodeCamp/curriculum/challenges/chinese/09-information-security/python-for-penetration-testing/developing-an-nmap-scanner-part-2.md

id, title, challengeType, videoId, bilibiliIds, dashedName

id	title	challengeType	videoId	bilibiliIds	dashedName
5ea9997bbec2e9bc47e94db2	开发 Nmap 扫描器 第二部分	11	a98PscnUsTg	aid bvid cid 505526943 BV1Hg411c7oE 409034761	developing-an-nmap-scanner-part-2

--question--

--text--

以下哪项允许你扫描 21 至 443 之间的 UDP 端口？

--answers--

.scan(ip_addr, '21-443', '-v -sU')

---

.scan(ip_addr, '1-1024', '-v -sS')

---

.scan(ip_addr, '21-443', '-v -sS')

--video-solution--

1