freeCodeCamp/curriculum/challenges/chinese/09-information-security/python-for-penetration-testing/developing-a-banner-grabber.md

id, title, challengeType, videoId, bilibiliIds, dashedName

id	title	challengeType	videoId	bilibiliIds	dashedName
5ea9997bbec2e9bc47e94db3	开发横幅抓取器	11	CeGW761BIsA	aid bvid cid 633014533 BV1Sb4y127H9 409036288	developing-a-banner-grabber

--question--

--text--

填写空格以完成下面的 banner 函数：

def banner(ip, port):
    s = socket.socket()
    s.__A__((ip, __B__))
    print(s.recv(1024))

--answers--

A: connect

B: port

---

A: getsockname

B: '1-1024'

---

A: connect

B: int(port)

--video-solution--

3