证书监控是指对SSL/TLS证书的状态进行实时监控,确保其有效性、安全性和及时更新。限时秒杀是一种促销活动,通常在短时间内提供极低价格的商品或服务,吸引大量用户抢购。
以下是一个简单的Python脚本示例,用于监控SSL证书的有效期:
import ssl
import socket
from datetime import datetime
def check_certificate(hostname):
context = ssl.create_default_context()
with socket.create_connection((hostname, 443)) as sock:
with context.wrap_socket(sock, server_hostname=hostname) as ssock:
cert = ssock.getpeercert()
not_before = datetime.strptime(cert['notBefore'], '%b %d %H:%M:%S %Y GMT')
not_after = datetime.strptime(cert['notAfter'], '%b %d %H:%M:%S %Y GMT')
return not_before, not_after
def monitor_certificate(hostname):
not_before, not_after = check_certificate(hostname)
print(f"Certificate for {hostname} is valid from {not_before} to {not_after}")
if datetime.now() > not_after:
print("WARNING: Certificate has expired!")
elif (not_after - datetime.now()).days < 30:
print("WARNING: Certificate will expire soon!")
# Example usage
monitor_certificate('example.com')
通过上述方法和工具,可以有效监控证书状态,确保在限时秒杀等高流量活动中网站的稳定性和安全性。
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