网络安全无处不在,打造一台家用等级的防火墙是不可避免的。其实pfSense可以做到的。pfSense是源自于m0n0wall的操作系统。它使用的技术包括Packet Filter，FreeBSD 6.x（或DragonFly BSD，假如ALTQ和CARP完成了的话）的ALTQ（以出色地支持分组队列），集成的包管理系统（以为其环境扩展新的特性）。pfSense, a firewall distribution based on FreeBSD, has reached the fourth and final release candidate for the new version 1.2: "The pfSense development team is happy to bring you the final release candidate in the 1.2 series. Summary of the changes since RC3: libc fix for a security advisory; do not ping other end of IPsec connections on CARP backup hosts; fix edit.php error when opening empty file; math fix on throughput graph; increase maximum alias count （99 to 299）; captive portal locking improvements to fix issues in high load environments; IPsec stability fixes for large deployments; VLAN support for ALIX hardware; forced page refreshes removed from all pages; fix for display of wireless networks with a space in the SSID; updated PHP version...." Here is the full release announcement. Download: pfSense-1.2-RC4-LiveCD-Installer.iso.gz （http://pfsense.iserv.nl/downloads/pfSense-1.2-RC4-LiveCD-Installer.iso.gz）（50.7MB, MD5（http://ftp.nhlue.edu.tw/pfsense/downloads/pfSense-1.2-RC4-LiveCD-Installer.iso.gz.md5））.Linux安全设置方面基础知识把Linux伪装成windows使系统更安全相关资讯 防火墙 pfsense
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