Hi Hugo, Could you try setting the max filesize option to a non-zero value and let me know if that changes anything?
-Mickey On Aug 30, 2016 7:51 AM, "Hugo Bernier" <hbern...@gmail.com> wrote: > We have a new requirement at work that we have virus scanners installed on > our workstations. > > What I'm trying to do is demonstrate that onAccess scanning works. What I'm > expecting, which could be wrong, is that there would be output either in > the logs or clamdtop when a file is opened other otherwise manipulated when > verbose logging and "LogClean" is enabled. My assumption is that my setup > is wrong. I've used > http://blog.clamav.net/2016/03/configuring-on-access- > scanning-in-clamav.html as > a base for the settings described below. > > I'm using clamav 0.99.2 from fedora 24 and the up to date stock fedora 24 > kernel. CONFIG_FANOTIFY=y and CONFIG_FANOTIFY_ACCESS_PERMISSIONS=y are > present in /boot/config-4.6.7-300.fc24.x86_64. > > Here's my configuration in /etc/clam.d/scan.conf: > > LogFile /var/log/clamd.scan > LogFileUnlock yes > LogFileMaxSize 2M > LogTime yes > LogClean yes > LogVerbose yes > LogRotate yes > ExtendedDetectionInfo yes > PidFile /var/run/clamd.scan/clamd.pid > LocalSocket /var/run/clamd.scan/clamd.sock > > ScanOnAccess yes > OnAccessMountPath / > OnAccessMaxFileSize 0 > OnAccessExcludeUID 0 > > When clamav starts, the logs show the following: > > Tue Aug 30 10:38:53 2016 -> +++ Started at Tue Aug 30 10:38:53 2016 > Tue Aug 30 10:38:53 2016 -> Received 0 file descriptor(s) from systemd. > Tue Aug 30 10:38:53 2016 -> clamd daemon 0.99.2 (OS: linux-gnu, ARCH: > x86_64, CPU: x86_64) > Tue Aug 30 10:38:53 2016 -> Log file size limited to 2097152 bytes. > Tue Aug 30 10:38:53 2016 -> Reading databases from /var/lib/clamav > Tue Aug 30 10:38:53 2016 -> Not loading PUA signatures. > Tue Aug 30 10:38:53 2016 -> Bytecode: Security mode set to "TrustSigned". > Tue Aug 30 10:38:58 2016 -> Loaded 4772631 signatures. > Tue Aug 30 10:38:59 2016 -> LOCAL: Unix socket file > /var/run/clamd.scan/clamd.sock > Tue Aug 30 10:38:59 2016 -> LOCAL: Setting connection queue length to 200 > Tue Aug 30 10:38:59 2016 -> Limits: Global size limit set to 104857600 > bytes. > Tue Aug 30 10:38:59 2016 -> Limits: File size limit set to 26214400 bytes. > Tue Aug 30 10:38:59 2016 -> Limits: Recursion level limit set to 16. > Tue Aug 30 10:38:59 2016 -> Limits: Files limit set to 10000. > Tue Aug 30 10:38:59 2016 -> Limits: Core-dump limit is 0. > Tue Aug 30 10:38:59 2016 -> Limits: MaxEmbeddedPE limit set to 10485760 > bytes. > Tue Aug 30 10:38:59 2016 -> Limits: MaxHTMLNormalize limit set to 10485760 > bytes. > Tue Aug 30 10:38:59 2016 -> Limits: MaxHTMLNoTags limit set to 2097152 > bytes. > Tue Aug 30 10:38:59 2016 -> Limits: MaxScriptNormalize limit set to 5242880 > bytes. > Tue Aug 30 10:38:59 2016 -> Limits: MaxZipTypeRcg limit set to 1048576 > bytes. > Tue Aug 30 10:38:59 2016 -> Limits: MaxPartitions limit set to 50. > Tue Aug 30 10:38:59 2016 -> Limits: MaxIconsPE limit set to 100. > Tue Aug 30 10:38:59 2016 -> Limits: MaxRecHWP3 limit set to 16. > Tue Aug 30 10:38:59 2016 -> Limits: PCREMatchLimit limit set to 10000. > Tue Aug 30 10:38:59 2016 -> Limits: PCRERecMatchLimit limit set to 5000. > Tue Aug 30 10:38:59 2016 -> Limits: PCREMaxFileSize limit set to 26214400. > Tue Aug 30 10:38:59 2016 -> Archive support enabled. > Tue Aug 30 10:38:59 2016 -> Algorithmic detection enabled. > Tue Aug 30 10:38:59 2016 -> Portable Executable support enabled. > Tue Aug 30 10:38:59 2016 -> ELF support enabled. > Tue Aug 30 10:38:59 2016 -> Mail files support enabled. > Tue Aug 30 10:38:59 2016 -> OLE2 support enabled. > Tue Aug 30 10:38:59 2016 -> PDF support enabled. > Tue Aug 30 10:38:59 2016 -> SWF support enabled. > Tue Aug 30 10:38:59 2016 -> HTML support enabled. > Tue Aug 30 10:38:59 2016 -> XMLDOCS support enabled. > Tue Aug 30 10:38:59 2016 -> HWP3 support enabled. > Tue Aug 30 10:38:59 2016 -> Self checking every 600 seconds. > Tue Aug 30 10:38:59 2016 -> Listening daemon: PID: 3818 > Tue Aug 30 10:38:59 2016 -> MaxQueue set to: 100 > Tue Aug 30 10:38:59 2016 -> ScanOnAccess: notifying only for access > attempts. > Tue Aug 30 10:38:59 2016 -> ScanOnAccess: Protecting '/' and rest of mount. > Tue Aug 30 10:38:59 2016 -> ScanOnAccess: Max file size limited to -1 bytes > > And then nothing. No matter what programs I start, files I open, I simply > don't get output in the logs or clamdtop related to onAccess scanning. > > What am I doing wrong? > > Best, > Hugo > _______________________________________________ > Help us build a comprehensive ClamAV guide: > https://github.com/vrtadmin/clamav-faq > > http://www.clamav.net/contact.html#ml > _______________________________________________ Help us build a comprehensive ClamAV guide: https://github.com/vrtadmin/clamav-faq http://www.clamav.net/contact.html#ml
