On Tue, Sep 18, 2012 at 9:59 AM, Steve Grubb <[email protected]> wrote: > On Tuesday, September 18, 2012 06:50:08 PM Laura Martín wrote: >> Hi all, >> >> I'm trying to exclude cron events from audit logging. I can't see how can I >> do to only exclude this kind of entries: >> >> >> ---- >> time->Mon Sep 17 11:00:01 2012 >> type=PATH msg=audit(1347872401.521:5212): item=0 >> name="/etc/pam.d/system-auth" inode=33635 dev=fd:00 mode=0100644 ouid=0 >> ogid=0 rdev=00:00 >> type=CWD msg=audit(1347872401.521:5212): cwd="/var/spool" >> type=SYSCALL msg=audit(1347872401.521:5212): arch=c000003e syscall=2 >> success=yes exit=5 a0=2b5b7b627300 a1=0 a2=1b6 a3=0 items=1 ppid=11640 >> pid=1965 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 >> fsgid=0 tty=(none) ses=4294967295 comm="crond" exe="/usr/sbin/crond" >> key=(null) >> ---- >> >> I didn't see any option to exclude events by 'exe' or 'comm' field. >> >> Any hints? > > There is the possibility to exclude events by SE Linux context. But I don't > see a SE Linux context in your event. So, without SE Linux being > enabled...there's not much you can do. > > There was a patch to audit by process name, which might address this problem, > but its not accepted yet.
my patch only allows for positive match, not negative matching. I was afraid someone saying something like, '-a exit,always -S open -F exe!=/bin/bash' but I suppose like any audit rule, it could be a caveat emptor sort of thing. I'll modify that patch and resend it, but it doesn't help the current situation. > But looking at the event, I'm not sure about the usefulness of logging > successful opens in the pam config directory. You might be able to better tune > your rules. Opening for write or opens that fail might be more interesting. > > -Steve > > -- > Linux-audit mailing list > [email protected] > https://www.redhat.com/mailman/listinfo/linux-audit -- Peter Moody Google 1.650.253.7306 Security Engineer pgp:0xC3410038 -- Linux-audit mailing list [email protected] https://www.redhat.com/mailman/listinfo/linux-audit
