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 ...

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 ...

Following the publication of “Taming the Wild Netfilter” in the September 2001 issue of LJ [/article/4815], I received a number of e-mails, most asking for more detailed information on working with ...

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 ...

2022 年 7 月に、Linux カーネルに権限昇格の脆弱性が報告されています。対象システムのログインに成功している攻撃者に脆弱性を悪用されてしまった場合は、対象システムの全権限が奪取されてしまいます。ソフトウェアのアップデートにより対策してください ...

Sophos researcher Nick Gregory has uncovered a dangerous security bug in Linux's netfilter application which could enable a local attacker to escalate privileges on vulnerable machines and carry out a ...

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