2 P Livro em excelente estado de conservação: miolo, corte, borda, lombada e capa excelentes. Sem grifos, anotações, rasuras, assinaturas, dobras, páginas rasgadas, faltantes ou com furos de traça. An Internet-connected Linux machine is in a high-risk situation. This book details security steps that a small non-enterprise business user might take to protect themselves when dealing with what the attacker may gain and what a victim may lose. These steps include packet-level firewall filtering, IP masquerading, proxies, tcp wrappers, system integrity checking, and system security monitoring with an overall emphasis on filtering and protection. This book will provide a description of the need for security measures and solutions. The goal is to help people get their Internet security meas Assunto: P - Informática