在DNS系统之前，IP地址映射是通过特殊格式的主机文件在每台计算机上本地完成的。如今，即使大多数操作系统仍支持主机文件，实际上也未使用它们。设计正确且格式正确的主机文件不仅可以帮助加快网络冲浪体验，而且可以允许简单，有效的内容过滤以及增强的隐私保护。 Hostal允许轻松控制和编辑计算机上的Host文件。
Hostal支持主机映射和主机阻止。 Hostal支持生存时间，以防止陈旧的主机映射。对于网络上的用户，Hostal会检测到现有的Hosts文件并合并这些设置。 Hostal具有吸引人的直观界面，新手将易于使用，同时仍为高级用户提供丰富的功能集。
Hostal supports both host mapping and host blocking. Hostal supports Time to Live to prevent stale host mappings. For users on a network, detects an existing Hosts file and incorporates those settings as well. features an attractive and intuitive interface that novices will find easy to use, while still offering a rich feature set for the power user.
Features:
Attractive, easy to use interface.
Instantly map or block any host.
Blocks unwanted ads.
Blocks adult content sites.
Protects privacy by blocking unwanted cookies.
Resolves urls to hosts.
DNS lookup for a host or url.
Preconfigured to block numerous objectionable hosts.
Preconfigured to block numerous advertising hosts.
Supports Time to Live to prevent stale data
Flexible searching through large host databases.
Supports exporting hosts files for different platforms.
Illustrated Documentation.
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