Sophos Anti-Virus for Linux: On-Access filesystem support

  • Artikel-ID: 118932
  • Aktualisiert: 25 Mrz 2013

This article describes the filesystems supported for on-access scanning on Linux platforms.  

Known to apply to the following Sophos product(s) and version(s)
SAV for Linux 7.x
SAV for Linux 9.x

On-Access filesystem support

Good Filesystems

The following filesystems are known to work with Sophos Anti-Virus for Linux:

Filesystem Name Talpa Support? Fanotify Support?
ecryptfs Yes Yes
ext2 Yes Yes
ext3 Yes Yes
ext4 Yes Yes
jfs Yes Yes
xfs Yes Yes
reiserfs Yes Yes
tmpfs Yes Yes
minix Yes Yes
smbfs Yes Yes
cifs Yes Yes
nfs Yes Yes
nfs4 Yes Yes
fuse Yes Yes
fuse Yes Yes
fuseblk Yes Yes
iso9660 Yes Yes
udf Yes Yes
msdos Yes Yes
vfat Yes Yes
ncpfs Yes Yes
ramfs Yes Yes

Unsupported Filesystems

The following filesystems are unsupported.  The majority of these are pseudo-filesystems that do not contain regular files and cannot be scanned.

Filesystem Name Talpa Support? Fanotify Support? Notes
rootfs No No Pseudo-Filesystem
proc No No Pseudo-Filesystem
usbfs No No Pseudo-Filesystem
devpts No No Pseudo-Filesystem
devfs No No  Pseudo-Filesystem
subfs No No Pseudo-Filesystem
nfsd No No Pseudo-Filesystem
sysfs No No Pseudo-Filesystem
debugfs No No Pseudo-Filesystem
securityfs No No Pseudo-Filesystem
fusectl No No Pseudo-Filesystem
rpc_pipefs No No Pseudo-Filesystem
selinuxfs No No Pseudo-Filesystem
configfs No No Pseudo-Filesystem
usbdevfs No No Pseudo-Filesystem
nssadmin No No Pseudo-Filesystem
nsspool No No Pseudo-Filesystem
autofs No No Pseudo-Filesystem
inotifyfs No No Pseudo-Filesystem
romfs No No Pseudo-Filesystem
binfmt_misc No No Pseudo-Filesystem
aufs No No Pseudo-Filesystem
mqueue No No Pseudo-Filesystem
cgroup No No Pseudo-Filesystem
fuse.gvfs-fuse-daemon
No  No See KBA 118982
overlayfs No No See KBA 118088


Other Filesystems

Behaviour with other filesystems will depend on the on-access interception method:

  • Talpa will attempt to intercept operations on any other filesystem.  Talpa is the default method.
  • Fanotify (Beta) will only scan files on the list of good filesystems

 
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