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Simp Pro: Instant Messengers, Instant Security

Hardware and operating system requirements:
SimpPro requires a PC-compatible computer equipped with a Microsoft Windows 98 or higher operating system and at least the following hardware specifications: Pentium-class CPU (300 MHz), 64 Mb of RAM and 10 Mb of hard disk space.

Instant Messaging networks and clients:
SimpPro has been designed for the popular instant messaging networks and their official clients: MSN Messenger, ICQ, Yahoo! Messenger, AIM. However, any client supporting SOCKS4 proxying or server specification should be compatible with SimpPro. We have successfully tested SimpPro with the following clients: MSN Messenger 6.x, ICQ Lite 2003, ICQ Pro 2003, Yahoo! Messenger 5.6.x and 6.x, GAIM, aMSN, Trillian.

Internet connection:
SimpPro requires either a direct connection to the Internet (possibly through a home cable/dsl router), or through an HTTP or SOCKS 4/5 proxy. For Yahoo! Messenger, ICQ and AIM, only CONNECT-capable HTTP proxies are supported. HTTP proxies that do not support or forbid CONNECT connections will not work with Simp. To determine the type of proxy in use on your corporate network, please consult your network administrator.
If you use a personal firewall, you may have to explicitely give SimpPro full access to the Internet.
If you use an IP filter, you may have to allow outgoing connections to the IM ports of the IM networks you plan to use. Please visit your IM vendor websites for information about opening IM ports through your firewall.