Log Message:
Release 1.7.1: (13th February 2006)

- use prctl(2) to set process name [Cameron]
- add --version option [Cameron]
- remove superfluous sigset [Cameron/Gono]
- default options file to not require MPPE (#166394) [Howarth]
- add PROTOCOL-SECURITY discussion [Cameron/Mueller]

Fixes old PR pkg/38038