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This setting causes the NFS server to check that all RPCs are sent from a privileged (<= 1023) port, rejecting those that are not. This slightly raises the bar for a user with network access to an unauthenticated NFS server to access exported NFS filesystems. Users that use traditional NFS clients (e.g., those provided by FreeBSD or Linux) should not see any difference, assuming that unprivileged filesystem mounting is disallowed. Note that the setting is per-VNET, so may be overridden in VNET jails without affecting the rest of the system. Discussed with: freebsd-arch@ Reviewed by: rmacklem, bz, emaste Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D44906 |
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| debug.sh | ||
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| rc | ||
| rc.bsdextended | ||
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| safe_eval.sh | ||