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

---
id: 5ea9997bbec2e9bc47e94db3
challengeType: 11
videoId: CeGW761BIsA
---

# --question--

## --text--

Fill in the blanks to complete the `banner` function below:

```py
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

# --hints--


# --solutions--