Our biggest thanks go to the two parties who made this second edition a reality: the many readers who purchased the first edition, and our editor Mike Loukides. We couldn’t have done this without you!
We thank the O’Reilly “tools” team for Frame typesetting advice, and Rob Romano for turning our hasty sketches into polished illustrations. Special thanks to the O’Reilly production team, Keith Fahlgren, John Bickelhaupt, Audrey Doyle, and Mary Brady, for their hard work creating the final package.
We thank our excellent technical reviewers for their thorough reading and insightful comments: Markus Friedl and Damien Miller of the OpenSSH team, Paul Lussier, Drew Simonis, and Mike Smith. Big thanks also to several vendors of SSH products who provided us with free copies of their software, reviewed the manuscript, and answered our questions. From SSH Communications Security, maker of SSH Tectia, we thank Nicolas Gabriel-Robez, Tommi Lampila, Sami J. Lehtinen, Timo J. Rinne, Janne Saarikko, Petri Sakkinen, Vesa Vatka, and Timo Westerberg. From VanDyke Software, maker of SecureCRT, SecureFX, and VShell, we thank Jill Christian, Maureen Jett, Marc Orchant, and Tracy West. SSH Communications Security also kindly gave us permission to include the sshregex manpage (Appendix B) and the sshdebug.h error codes (Appendix C).
Dan Barrett thanks Lisa and Sophie for bearing the late-night writing and hacking sessions required for this book. He also thanks Alex Schowtka and Robert Dulaney of VistaPrint, his employer, for their kind permission to work on this project. Bob Byrnes thanks Alison and Rebecca for all of their help and understanding throughout the many nights and weekends when he was glued to his keyboard. Richard Silverman thanks his coauthors for their unfailing good humor and patience—even when a sudden decision to change jobs and move out of state threw his book schedule into chaos. He also thanks his various friends, especially Bob Stepno, for listening to his endless chatter about The Book. It’s truly a wonder they still speak to him at all.
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