How To Patch and Protect Linux Server Against the VENOM Vulnerability # CVE-2015-3456

Posted on in Categories , , , , , , , , last updated May 14, 2015

A very serious security problem has been found in the virtual floppy drive QEMU’s code used by many computer virtualization platforms including Xen, KVM, VirtualBox, and the native QEMU client. It is called VENOM vulnerability. How can I fix VENOM vulnerability and protect my Linux server against the attack? How do I verify that my server has been fixed against the VENOM vulnerability?

How To Patch and Protect OpenSSL Vulnerability # CVE-2015-0291 CVE-2015-0204 [ 19/March/2015 ]

Posted on in Categories , , , , , last updated March 24, 2015

On 19th March 2015, multiple high and moderate severity level vulnerabilities released in OpenSSL, a Secure Sockets Layer toolkit used in a Linux and Unix-like systems. How can I fix these vulnerabilities on a CentOS/RHEL/Ubuntu and Debian Linux based server? How do I verify that my Linux server has been fixed against the OpenSSL vulnerability?

FreeBSD Unix Find Out Which Programs Are Listening On a Given Port Number

Posted on in Categories , , , , , , last updated November 24, 2016

I‘m a new FreeBSD Unix system user. How can I find out the process/programs names listing on a certain port on a FreeBSD Unix systems using command line? How do I lookup the process which is currently bound to the given network port on a FreeBSD server?