firewalls

简明释义

英[ˈfaɪəwɔːlz]美[ˈfaɪərˌwɔlz]

n. 防火墙（firewall 的复数）

英英释义

单词用法

同义词

反义词

例句

1.Web servers can be protected by the use of "firewalls".

服务器或网络有问题。稍候再试。

2.Web servers can be protected by the use of "firewalls".

服务器或网络有问题。稍候再试。

3.Web servers can be protected by the use of "firewalls".

多播也能减少网络服务器上的负荷。

4.They could be the firewalls of any building.

它们可能是任何一座楼房的隔火墙。

5.As hackers turned up, layers of security, from antivirus programs to firewalls, were added to try to keep them at bay.

随着黑客的出现，从防病毒程序到防火墙的层层安全措施被添加进来，试图阻止他们。

6.The company installed new firewalls to protect their network from external threats.

公司安装了新的防火墙来保护他们的网络免受外部威胁。

7.Make sure your firewalls are configured correctly to allow necessary traffic.

确保你的防火墙配置正确，以允许必要的流量。

8.The IT department regularly updates the firewalls to defend against the latest cyber attacks.

IT部门定期更新防火墙以防御最新的网络攻击。

9.Some applications may require specific firewalls settings to function properly.

某些应用程序可能需要特定的防火墙设置才能正常运行。

10.The firewalls blocked a suspicious connection attempt from an unknown IP address.

该防火墙阻止了来自未知IP地址的可疑连接尝试。

作文

In today's digital age, the importance of cybersecurity cannot be overstated. One of the key components of a robust cybersecurity strategy is the use of firewalls, which serve as a barrier between trusted internal networks and untrusted external networks. Firewalls are essential for protecting sensitive information and maintaining the integrity of computer systems. They can be hardware-based, software-based, or a combination of both, and they work by monitoring and controlling incoming and outgoing network traffic based on predetermined security rules. The primary function of a firewall is to establish a controlled environment for data transmission. By filtering traffic, firewalls can prevent unauthorized access to a network, thereby safeguarding valuable data from cyber threats. For instance, a company may install a firewall to ensure that only employees with the right credentials can access its internal systems. This helps to mitigate risks associated with data breaches and cyberattacks, which can have devastating consequences for businesses and individuals alike. Moreover, firewalls can also help in monitoring network activity. By keeping track of data packets that enter and exit the network, firewalls provide valuable insights into potential vulnerabilities and suspicious activities. Network administrators can analyze this data to identify patterns and respond to threats more effectively. In this way, firewalls not only protect against external threats but also enhance the overall security posture of an organization. There are different types of firewalls, including packet-filtering firewalls, stateful inspection firewalls, and application-layer firewalls. Packet-filtering firewalls examine packets of data and allow or block them based on predefined rules. Stateful inspection firewalls track active connections and make decisions based on the state of those connections. Application-layer firewalls, on the other hand, inspect the data being transmitted at the application level, providing a more granular level of control over the traffic. In addition to traditional firewalls, the rise of cloud computing has led to the development of cloud-based firewalls. These solutions offer flexibility and scalability, allowing organizations to protect their data across multiple platforms and environments. As businesses increasingly rely on cloud services, the role of firewalls in cloud security becomes even more critical. Despite their effectiveness, firewalls are not a silver bullet for cybersecurity. They should be part of a comprehensive security strategy that includes regular software updates, employee training, and incident response planning. Cybersecurity is an ever-evolving field, and organizations must stay vigilant against new threats. While firewalls play a crucial role in defending against attacks, they must be complemented by other security measures to ensure an organization's overall resilience. In conclusion, firewalls are an integral part of modern cybersecurity practices. They provide essential protection against unauthorized access and cyber threats, helping to secure sensitive information and maintain the integrity of computer systems. As technology continues to advance, the role of firewalls will only grow in importance, making it imperative for organizations to understand and implement effective firewall solutions as part of their security strategies.

在当今数字时代，网络安全的重要性不容低估。强大网络安全策略的关键组成部分之一是使用防火墙，它作为受信任的内部网络与不受信任的外部网络之间的屏障。防火墙对于保护敏感信息和维护计算机系统的完整性至关重要。它们可以是基于硬件的、基于软件的，或两者的结合，通过根据预定的安全规则监控和控制进出网络的流量来工作。 防火墙的主要功能是为数据传输建立一个受控环境。通过过滤流量，防火墙可以防止未经授权访问网络，从而保护有价值的数据免受网络威胁。例如，一家公司可能会安装防火墙以确保只有拥有正确凭证的员工才能访问其内部系统。这有助于降低与数据泄露和网络攻击相关的风险，而这些风险可能对企业和个人造成毁灭性的后果。 此外，防火墙还可以帮助监控网络活动。通过跟踪进入和退出网络的数据包，防火墙提供了有关潜在漏洞和可疑活动的宝贵见解。网络管理员可以分析这些数据，以识别模式并更有效地响应威胁。通过这种方式，防火墙不仅保护免受外部威胁，还增强了组织的整体安全态势。 有不同类型的防火墙，包括数据包过滤防火墙、状态检测防火墙和应用层防火墙。数据包过滤防火墙检查数据包，并根据预定义的规则允许或阻止它们。状态检测防火墙跟踪活动连接，并根据这些连接的状态做出决策。应用层防火墙则在应用级别检查传输的数据，提供对流量的更细粒度控制。 除了传统的防火墙，云计算的兴起导致了基于云的防火墙的发展。这些解决方案提供了灵活性和可扩展性，使组织能够在多个平台和环境中保护其数据。随着企业越来越依赖云服务，防火墙在云安全中的角色变得更加关键。 尽管防火墙非常有效，但它们并不是网络安全的银弹。它们应成为全面安全策略的一部分，包括定期软件更新、员工培训和事件响应计划。网络安全是一个不断发展的领域，组织必须对新威胁保持警惕。虽然防火墙在抵御攻击方面发挥着关键作用，但必须通过其他安全措施来补充，以确保组织的整体韧性。 总之，防火墙是现代网络安全实践不可或缺的一部分。它们提供了对未经授权访问和网络威胁的基本保护，帮助保护敏感信息并维护计算机系统的完整性。随着技术的不断进步，防火墙的角色只会在重要性上增长，这使得组织理解和实施有效的防火墙解决方案作为其安全策略的一部分变得至关重要。