小编Jul*_*ady的帖子

一旦我过滤掉所有NBNS流量，我就会尝试写入pcap文件。这给了我一个语法错误。

from scapy.all import *

Capture = raw_input("Enter file path of pcap file: " )
pcap = rdpcap(Capture)

ports=137

filtered = (pkt for pkt in Capture if
    (UDP in pkt and 
    (pkt[UDP].sport in str(ports)))

wrpcap("filtered.pcap",filtered)

我发现语法错误的答案只是结尾处缺少括号，...str(ports))))但现在我遇到了另一个错误。

  File "receiver2.py", line 18, in <module>
    wrpcap("filtered.pcap",filtered)
  File "/usr/lib/python2.7/dist-packages/scapy/utils.py", 
    line 470, in wrpcap
  PcapWriter(filename, *args, **kargs).write(pkt)
  File "/usr/lib/python2.7/dist-packages/scapy/utils.py", line 652, in write
    for p in pkt:
  File "receiver2.py", line 13, in <genexpr>
    (UDP in pkt and 
  TypeError: 'in <string>' requires string as …