Category Archives: security

Linux and UNIX: Understanding and modifiying File timestamps

Posted on October 22, 2012 by Hamdan

In UNIX, there is a record of three timestamps with every file/directory: mtime (last modification time),atime (last access time), and ctime (last change time of the inode). Unfortunately, there’s no way in UNIX/Linux to know the creation time of the … Continue reading →

Posted in Digital Forensics, forensics, HOW-To, security, Unix | Tagged | 1 Comment

Solaris 10: Verify the integrity of OS Executable and Linkable Format files

Posted on July 14, 2012 by Hamdan

Starting from Solaris 10, most operating system ELF (Executable and Linkable Format) objects have been digitally signed. To verify that a file hasn’t been tampered with, we can use the command “elfsign”. Note that this utility verifies that contents of … Continue reading →

Posted in Cryptography, security, Solaris | Tagged , , , | Leave a comment

Solaris HOW-TO: Enable/Disable FTP Logging

Posted on September 5, 2011 by Hamdan

To enable/disable FTP logging in Solaris 10, the “inetadm” utility can be used for that. First, list the properties of the ftp service: root@hamdan # inetadm -l svc:/network/ftp SCOPE NAME=VALUE name=”ftp” endpoint_type=”stream” proto=”tcp6″ isrpc=FALSE wait=FALSE exec=”/usr/sbin/in.ftpd -a” user=”root” default bind_addr=”" … Continue reading →

Posted in ftp, ftp logging, HOW-To, inetadm, network, security, smf, Solaris | Tagged , , , , , , , , , , | 2 Comments