On systems supporting <symbol>SO_PEERCRED</symbol> requests for
Unix-domain sockets (currently <systemitem
class="osname">Linux</>, <systemitem class="osname">FreeBSD</>,
- <systemitem class="osname">NetBSD</>, <systemitem class=osname>OpenBSD</>,
+ <systemitem class="osname">NetBSD</>, <systemitem class="osname">OpenBSD</>,
and <systemitem class="osname">BSD/OS</>), ident authentication can also
be applied to local connections. In this case, no security risk is added by
using ident authentication; indeed it is a preferable choice for