Parsing A Pcap File In Python
I am trying to parse through a pcap file in python. My goal is to be able to pull out the type of TCP or UDP file it is and the time they start/end. Does anyone have any advice in
Solution 1:
I would use python-dpkt. Here is the documentation.
This is all I know how to do though sorry.
#!/usr/local/bin/python2.7import dpkt
counter=0
ipcounter=0
tcpcounter=0
udpcounter=0
filename='sampledata.pcap'for ts, pkt in dpkt.pcap.Reader(open(filename,'r')):
counter+=1
eth=dpkt.ethernet.Ethernet(pkt)
if eth.type!=dpkt.ethernet.ETH_TYPE_IP:
continue
ip=eth.data
ipcounter+=1if ip.p==dpkt.ip.IP_PROTO_TCP:
tcpcounter+=1if ip.p==dpkt.ip.IP_PROTO_UDP:
udpcounter+=1print"Total number of packets in the pcap file: ", counter
print"Total number of ip packets: ", ipcounter
print"Total number of tcp packets: ", tcpcounter
print"Total number of udp packets: ", udpcounter
Update:
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