security

  1. RoseHosting

    Secure your SSH using two-step authentication on CentOS 7

    Running your own Linux server could be very challenging, especially if you want to keep the security of the server on a high level and to protect the personal data as much as possible. During the initial server setup, you may have generated an RSA key pair to connect to the server without using...
  2. K

    disallow specific ssh ciphers and/or MACS (white list approach)

    Hi people, I have a report detailing weak ssh ciphers on a system. How can I dis-allow these specific weak ciphers. The common solution which I am aware of is adding the following lines in sshd_config (which is a black list approach): Ciphers aes128-ctr,aes192-ctr,aes256-ctr...
  3. Rob

    [CentOS-announce] CESA-2017:1109 Moderate CentOS 6 java-1.8.0-openjdk Security Update

    CentOS Errata and Security Advisory 2017:1109 Moderate Upstream details at : https://rhn.redhat.com/errata/RHSA-2017-1109.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386...
  4. Rob

    [CentOS-announce] CESA-2017:1100 Critical CentOS 7 nss-util Security Update

    CentOS Errata and Security Advisory 2017:1100 Critical Upstream details at : https://rhn.redhat.com/errata/RHSA-2017-1100.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) x86_64...
  5. Rob

    [CentOS-announce] CESA-2017:1100 Critical CentOS 7 nss Security Update

    CentOS Errata and Security Advisory 2017:1100 Critical Upstream details at : https://rhn.redhat.com/errata/RHSA-2017-1100.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) x86_64...
  6. Rob

    [CentOS-announce] CESA-2017:1106 Critical CentOS 7 firefox Security Update

    CentOS Errata and Security Advisory 2017:1106 Critical Upstream details at : https://rhn.redhat.com/errata/RHSA-2017-1106.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) x86_64...
  7. D

    Possible undetectable rootkits in the wild!

    You may have noticed that the rootkit hunter /rkhunter/ is not updated since 2014...... chkrootkit is the same...... Does anyone know an up/to/date rootkit scanner for linux?
  8. R

    PSA: Adobe Flash security updates end March 2017

    We all knew this was going to happen. Adobe Flash 11.2 security updates will end next month (from the time of this writing). Since flash is already vulnerable it is highly recommended you completely remove it from your system after the security updates end. Some alternatives include (no...
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