search for: csjp

...ality similar to NetBSD's verified exec mechanism. Once the design details of this security policy has been solidified, I will be releasing a white paper which describes the technical implementation in greater detail. The mac_chkexec policy logic can be found here: http://people.freebsd.org/~csjp/mac/trustedexec.png Q: What is mac_chkexec? A: It's a mandatory access control policy which ensures that if the code contained in a binary, shell script, shared object or kernel module has been modified from it's "trusted" form, it can not be executed. It also ensures th...

----- Mensagem encaminhada ---- De: Ricardo A. Reis <ricardo_bsd@yahoo.com.br> Para: security@freebsd.org Enviadas: Sexta-feira, 3 de Novembro de 2006 10:54:14 Assunto: FreeBSD and the new virtual machine-based rootkits Hi All, Recently i participated in Brazil on October 2006 The FIRST/TRANSITS and II Latin American Incident Response Conference (COLARIS). In the II COLARIS - Joanna

On a rather full customer web server, I am trying to track down whose web site script is trying to make outbound network connections when they should not be. In /etc/security/audit_control, I added to the flags line dir:/var/audit flags:lo,aa,-nt minfree:5 to log failed network connection. When I try an make an outbound connection to something that is blocked in pf, it seems to sometimes work.

https://bugzilla.mindrot.org/show_bug.cgi?id=1420 Summary: BSM support on Mac OS X Classification: Unclassified Product: Portable OpenSSH Version: 4.7p1 Platform: Other OS/Version: Mac OS X Status: NEW Severity: normal Priority: P2 Component: Miscellaneous AssignedTo: bitbucket at mindrot.org

I think I've found a bug with sshd handling audit events for commands (like scp) over ssh1 connections. Specifically, after updating to a recent FreeBSD 6.x with audit support, I'm getting log messages like these when using scp over ssh1: Sep 12 14:13:16 <auth.info> bm55 sshd[12335]: Accepted rsa for xxx from A.B.C.D port 2981 Sep 12 14:13:16 <auth.crit> bm55 sshd[12335]: