Is the NANOBSD PFsense 2.0 File System not a read-only system?
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I upgraded the PFsense 2.0 RC1 system, when the system finished rebooting,I found that the file system is not a read-only system,why?
[2.0-RC1][root@pfSense.localdomain]/root(20): mount
/dev/ufs/pfsense0 on / (ufs, local)
devfs on /dev (devfs, local)
/dev/md0 on /tmp (ufs, local)
/dev/md1 on /var (ufs, local)
/dev/ufs/cf on /cf (ufs, local)
[2.0-RC1][root@pfSense.localdomain]/root(21): -
Knowon issue and a ticket in redmine.pfsense.org is opened for it.
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On the bright side, the only thing it isn't protecting you against there is foot-shooting.
The system normally switches into and out of read-only mode as needed to write the config and such. The read-only mode is mainly an extra safeguard, but most things should behave even without it, unless the user does something to write to the media. :-)