leeyoungseok

from http.server import HTTPServer, SimpleHTTPRequestHandler
import ssl


httpd = HTTPServer(('localhost', 9090), SimpleHTTPRequestHandler)
httpd.socket = ssl.wrap_socket (httpd.socket,
								keyfile="./server.key",
								certfile='./server.crt', server_side=True)
httpd.serve_forever()

leeyoungseok

import socket, ssl, pprint

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

ssock = ssl.wrap_socket(s,
    ca_certs="server.crt", cert_reqs = ssl.CERT_REQUIRED)

ssock.connect(('localhost', 12345))

print(repr(ssock.getpeername()))

leeyoungseok

import socket, ssl

bindsocket = socket.socket()
bindsocket.bind(('', 12345))
bindsocket.listen(5)

ssock = ssl.wrap_socket(bindsocket,
        server_side=True,
        certfile="server.crt",
        keyfile = "server.key")

leeyoungseok

import socket

UDP_IP = "127.0.0.1"
UDP_PORT = 5005

sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) 
sock.bind((UDP_IP, UDP_PORT))

while True:
    data, addr = sock.recvfrom(1024) # buffer size is 1024 bytes

leeyoungseok

# coding: utf-8
import socket

UDP_IP = "127.0.0.1"
UDP_PORT = 5005
server_addr = (UDP_IP, UDP_PORT)

sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) 

while True:

leeyoungseok

from scapy.all import *
from scapy.layers.dns import DNSRR, DNS, DNSQR


packet = IP()/TCP()
Ether()/packet
ls(IP, verbose=True)

p = Ether()/IP(dst="www.google.com")/TCP()
print(p.summary())

leeyoungseok

from scapy.all import *

answer = sr1(IP(dst="8.8.8.8")/UDP(dport=53)/DNS(rd=1,qd=DNSQR(qname="networks.cnu.ac.kr")),verbose=1)
print(answer[DNS].summary())

leeyoungseok

# # Scapy 로 TCP 연결 만들고 HTTP GET 메시지 전송
from scapy.all import *

seq = random.randint(1025,65535)
sport = random.randint(1025,65535)
dport = 80

ip_packet = IP(dst='168.188.126.81')
syn_packet = TCP(sport=sport, dport=dport, flags='S', seq=seq)

leeyoungseok

s=socket.socket()
s.connect(("bigdata.cnu.ac.kr",80))
ss=StreamSocket(s,Raw)
ss.sr1(Raw("GET /\r\n"))

leeyoungseok

FROM ubuntu:16.04
LABEL maintainer "Youngseok Lee<lee@cnu.ac.kr>"
LABEL "purpose"="practice"
RUN apt-get update

COPY . /usr/src/app
WORKDIR /usr/src/app

EXPOSE 6789
CMD ["python3", "WebServer.py"]