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SSL/TLSÊÇÒ»ÖÖÍøÂçÇ徲ЭÒ飬ÓÃÓÚÔÚ¿Í»§¶ËºÍЧÀÍÆ÷Ö®¼ä½¨Éè¼ÓÃÜͨѶ¡£Ê¹ÓÃSSL/TLS¿ÉÒÔÈ·±£Êý¾ÝÔÚ´«ÊäÀú³ÌÖв»±»ÇÔÈ¡»ò¸Ä¶¯¡£ÏÂÃæÊÇÒ»¸öʹÓÃPython Flask¿ò¼ÜºÍSSL/TLSµÄ¼òÆÓʾÀý£º

from flask import Flask
from OpenSSL import SSL

context = SSL.Context(SSL.PROTOCOL_TLSv1_2)
context.load_cert_chain(certfile='cert.pem', keyfile='key.pem')

app = Flask(__name__)

@app.route('/')
def hello():
    return "Hello, World!"

if __name__ == '__main__':
    app.run(ssl_context=context)

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ÔÚÒÔÉÏʾÀýÖУ¬ÎÒÃÇʹÓÃOpenSSL¿âÀ´ÌìÉúSSL/TLSÖ¤Ê飬²¢ÔÚFlaskÓ¦ÓÃÖмÓÔØÖ¤Êé¡£ÕâÑù£¬¿Í»§¶ËºÍЧÀÍÆ÷Ö®¼äµÄͨѶ¾Í»áͨ¹ýSSL/TLS¾ÙÐмÓÃÜ£¬È·±£Êý¾ÝµÄÉñÃØÐÔºÍÍêÕûÐÔ¡£

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ʹÓÃÊý×ÖÊðÃû¿ÉÒÔÑéÖ¤Êý¾ÝµÄÍêÕûÐÔ£¬È·±£Êý¾ÝÔÚ´«ÊäÀú³ÌÖÐûÓб»¸Ä¶¯¡£ÏÂÃæÊÇÒ»¸öʹÓÃPythonµÄhashlibºÍhmac¿âÌìÉúÊý×ÖÊðÃû²¢ÑéÖ¤µÄʾÀý£º

import hashlib
import hmac

# ÌìÉúÊðÃû
def generate_signature(data, secret_key):
    hmac_obj = hmac.new(secret_key.encode(), msg=data.encode(), digestmod=hashlib.sha256)
    return hmac_obj.hexdigest()

# ÑéÖ¤ÊðÃû
def verify_signature(data, signature, secret_key):
    expected_signature = generate_signature(data, secret_key)
    return signature == expected_signature

data = "Hello, World!"
secret_key = "secret_key"

# ÌìÉúÊðÃû
signature = generate_signature(data, secret_key)
print("Signature:", signature)

# ÑéÖ¤ÊðÃû
is_valid = verify_signature(data, signature, secret_key)
print("Is Valid:", is_valid)

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ÔÚLinuxЧÀÍÆ÷ÉÏ£¬Ê¹Ó÷À»ðǽ¿ÉÒÔÏÞÖƶÔWeb½Ó¿ÚµÄ»á¼û£¬´Ó¶ø±ÜÃâδ¾­ÊÚȨµÄ»á¼ûºÍ¹¥»÷¡£ÏÂÃæÊÇÒ»¸öʹÓÃiptablesÉèÖ÷À»ðǽ¹æÔòµÄʾÀý£º

# ÔÊÐíSSH»á¼û
iptables -A INPUT -p tcp --dport 22 -j ACCEPT

# ÔÊÐíHTTPºÍHTTPS»á¼û
iptables -A INPUT -p tcp --dport 80 -j ACCEPT
iptables -A INPUT -p tcp --dport 443 -j ACCEPT

# ÆäËû¹æÔò
# ...

# ĬÈϾܾøËùÓÐÆäËû»á¼û
iptables -A INPUT -j DROP

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²Î¿¼ÎÄÏ×£º

Flask Documentation. Retrieved from£ºhttps://flask.palletsprojects.com/

Python Documentation. Retrieved from£ºhttps://docs.python.org/

OpenSSL Documentation. Retrieved from£ºhttps://www.openssl.org/

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