Netfilter （配合 iptables）使得用户空间应用程序可以注册内核网络栈在处理数据包时应用的处理规则，实现高效的网络转发和过滤。很多常见的主机防火墙程序以及 Kubernetes 的 Service 转发都是通过 iptables 来实现的。 关于 netfilter 的介绍文章大部分只描述了抽象的 ...

Netfilter 框架由Rusty Russell 于 1998 年创建。它是linux内核的一个子系统，在2000年3月合并 linux 内核，Netfilter采用模块化设计，具有良好的可扩充性，提供扩展各种网络服务的结构化底层框架，你可以在网络堆栈中的数据包遍历过程中的各个点（netfilter hooks）注册 ...

Operating system creators offer code signing to help you steer clear of hostile software, but Microsoft may have inadvertently broken the trust that signing is meant to create. BleepingComputer says ...

McHardy was suspended from the Netfilter team in 2016. The Netfilter team released a document on how to deal with his attempts to extract money from vendors. This move by McHardy, who had been a ...

When deciding on a firewall implementation, most Unix-savvy administrators have usually chosen to use ipfilter on OpenBSD for their combination of capabilities and stability, as the capabilities of ...

Microsoft Confirms it Signed Malicious 'Netfilter' Drivers Microsoft says the Netfilter drivers used to distribute rootkit malware were signed as part of the Windows Hardware Compatibility Program. By ...

Every self-respecting Linux guru should be familiar with firewalls and how to install and configure them. With this in mind, Linux gurus also should be curious about how firewalls function and how to ...

A new Linux NetFilter kernel flaw has been discovered, allowing unprivileged local users to escalate their privileges to root level, allowing complete control over a system. The CVE-2023-32233 ...

Microsoft confirmed that it gave its seal of approval to Netfilter, a malicious driver used to distribute rootkit malware, as part of its Windows Hardware Compatibility Program (WHCP). “Since Windows ...