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# README # *Rd* is a remote desktop client for Plan 9 operating system implementing RDP, the Microsoft's Remote Desktop Protocol. Initially started as a feature-cut fork of the X11 *rdesktop* client, it eventually grew into something different. It does not support pre-RDP5 protocol versions and requires the server to support an equivalent of *STARTTLS* (Windows XP SP2/2003 and up). The X.509 certs presented by servers are checked with `okThumbprint` against the list kept in `/sys/lib/tls/rdp` file.