Mac OS 下一个轻量级 SSH 代理小软件 - SimpleSSHProxy 九月 14th, 2010
SimpleSSHProxy 已经更新了！点击查看！
由于某些特殊的原因，我们需要使用 SSH 代理来访问一些网站。在 Windows 下有 myEnTunnel 等管理 SSH 的小软件，而在 Linux 和 Mac OS 下，系统一般已经自带了 OpenSSH 客户端，所以可以直接在终端命令行下来进行 SSH 的连接。但是不是所有人都喜欢在键盘上敲命令的，而且用 SSH 作为代理使用也有一些缺点，比连接空闲一段时间会自动断线。当然你可以用 autossh 这个工具，但是 autossh 也有它办不到的事情。所以我做了一个小软件，即 SimpleSSHProxy，顾名思义，是一个简单的 SSH 代理管理小软件，它有以下特点：
- 小巧，整个软件和源代码的压缩包才200多KB。
- 使用方便，软件显示为菜单栏图标和下拉菜单，无 Dock 图标，不会对你的工作界面产生干扰。
- 简洁，仅提供与代理相关的一些参数设置，不会另人感到困扰。
- 功能完善，可以提供 Socks 和 HTTP 代理，满足不同的需求。可以为其他电脑提供代理。支持通过 autossh 来自动管理 SSH 连接，在使用密码验证的情形下也能提供类似 autossh 的连接保持、掉线检测和重连功能。详细实现方法见这篇文章。
一些说明：软件的实现其实很简单，通过后台调用 polipo 来实现 HTTP 代理，调用 autossh 或一个 expect 脚本来连接 SSH。设置选项上，相信用过 SSH 代理的同学一看就知道怎么设置了，需要说明的就两点，“为其他电脑提供代理”，选中后，如果你的局域网中有其他电脑或设备，只需将代理设置为本台电脑的 IP 和相应端口，就可以使用 SimpleSSHProxy 提供的代理了。“使用密码”选项，我已经提到过了，autossh 对使用密码的 SSH 认证无法很好的支持，但是 autossh 的连接管理特性又十分方便，所以，如果你使用的是 SSH 密钥验证方式，就不用选择“使用密码”，软件就会调用 autossh。如果你不得不使用密码验证，软件会调用一个 expect 脚本来连接 SSH，同样可以提供类似 autossh 的断线重连等功能。当然还是推荐大家设置 SSH 的密钥认证，具体设置方法请自行搜索。如果你实在懒得设置密钥或者服务器比较特殊，只支持密码验证，那就没的选了。我也打算在软件的后续版本中提供一键设置 SSH 密钥的功能来方便大家，你也可以等一等~
SimpleSSHProxy 是我初学 Objective-C/Cocoa 的第一个小作品，现在也仅仅是半成品阶段，欢迎大家测试，对软件有什么意见或建议尽管提出来。至于发布许可证什么的，我也懒得弄了，软件和代码大家随意传播和使用，当然，如果你在传播时能稍微提一下我和这篇文章，那真是感激不尽了~
SimpleSSHProxy 目前的版本为 Pre-release rev3.2，源码和软件点此下载
PS：差点忘了，感谢国家
我是“使用密码”的。但我发现设置自动连接后，并不会自动开始，而要手动才可以。并且貌似断线后连接不太管用，是否可以推出日志模式的？
To Joe:
你好，可以从 实用工具-控制台 中查看 SimpleSSHProxy 的输出信息。
哇,终于有一个轻量级的ssh代理软件了...之前用了好多个都非常不好用...希望作者能继续更新下去~~
试了下,结果竟然不能用...=.=看来还是得继续用Secret Socks去...=.=
请问非标准端口（比如SSH默认端口为22，我要登录这台服务器的为8080）是按照什么格式填进去？我用类似 apple.com:22 这种格式结果失败了，用Secret Socks正常（它有填端口的地方）
改autossh.sh里的ssh -D 那句后面加上一个 -p 8080 就行了，现在成功翻越，爽啊，这小东西真方便，谢谢！
非常不错！
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