security

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2019-04-05 Inspecting OpenShift cgroups from inside the pod
2019-03-22 Running Ansible in OpenShift with arbitrary UIDs
2019-01-14 Running Home Assistant in a Docker container with a Z-Wave USB stick
2018-12-18 Disable autoplay for videos in Firefox 65
2018-12-06 Use a secret as an environment variable in OpenShift deployments
2017-11-02 Changes in RHEL 7 Security Technical Implementation Guide Version 1, Release 3
2017-07-21 Apply the STIG to even more operating systems with ansible-hardening
2017-06-27 Old role, new name: ansible-hardening
2017-05-24 Enable AppArmor on a Debian Jessie cloud image
2017-04-05 RHEL 7 STIG v1 updates for openstack-ansible-security
2017-03-22 Takeaways from Bruce Schneier’s talk: “Security and Privacy in a Hyper-connected World”
2017-02-23 What I’m looking forward to at IBM Interconnect 2017
2017-01-05 Display auditd messages with journalctl
2017-01-03 augenrules fails with “rule exists” when loading rules into auditd
2016-10-31 Talk Recap: Holistic Security for OpenStack Clouds
2016-09-13 HTTP/2 for the blog and icanhazip.com
2016-07-19 Join me on Thursday to talk about OpenStack LBaaS and security hardening
2016-06-16 New SELinux shirts are available
2016-05-27 Automated security hardening with Ansible: May updates
2016-05-17 Troubleshooting OpenStack network connectivity
2016-05-05 Preventing Ubuntu 16.04 from starting daemons when a package is installed
2016-05-03 802.1x with NetworkManager using nmcli
2016-04-26 Talk Recap: Automated security hardening with OpenStack-Ansible
2016-04-21 OpenStack Summit in Austin is almost here!
2016-04-17 Enable IPv6 privacy in NetworkManager
2016-03-31 Automated Let’s Encrypt DNS challenges with Rackspace Cloud DNS
2016-01-28 Enabling kwallet after accidentally disabling it
2015-11-10 Talking to college students about information security
2015-10-26 systemd-networkd and macvlan interfaces
2015-10-14 What I learned while securing Ubuntu
2015-09-11 Time Warner Road Runner, Linux, and large IPv6 subnets
2015-09-10 Chronicles of SELinux: Dealing with web content in unusual directories
2015-08-27 Build a network router and firewall with Fedora 22 and systemd-networkd
2015-08-14 Research Paper: Securing Linux Containers
2015-08-05 Automated testing for Ansible CIS playbook on RHEL/CentOS 6
2015-06-18 Improving LXC template security
2015-06-11 Time for a new GPG key
2015-06-05 Upatre and icanhazip
2015-05-27 Adventures with GRE and IPSec on Mikrotik routers
2015-05-20 You have a problem and icanhazip.com isn’t one of them
2015-04-14 Woot! Eight years of my blog
2015-04-11 Run virsh and access libvirt as a regular user
2015-01-08 Helpful, low-FUD information security sites, mailing lists, and blogs
2014-11-24 Trust an IP address with firewalld’s rich rules
2014-10-02 Xen’s XSA-108 patch and Fedora
2014-09-28 Apache’s mod_proxy, mod_ssl, and BitTorrent Sync
2014-08-07 icanhazip.com blocked by Websense
2014-07-22 Etsy reminds us that information security is an active process
2014-07-21 icanhazip and CORS
2014-07-03 AVC: denied dyntransition from sshd
2014-06-03 Configure remote syslog for XenServer via the command line
2014-05-24 Evade the Breach
2014-04-22 Launch secure LXC containers on Fedora 20 using SELinux and sVirt
2014-04-10 Upgrade OpenSSL, then upgrade WordPress
2014-04-08 openssl heartbleed updates for Fedora 19 and 20
2014-03-18 Show originating IP address in Apple Mail
2014-03-10 Annoying security requests highlight company silos
2014-02-03 Hierarchy of DevOps Needs from DevOps Weekly
2013-11-17 Information security nuggets from DevOps Weekly #150
2013-11-13 One year in information security
2013-10-22 Guide to securing apache
2013-10-15 I’m on the hunt for experienced security analysts!
2013-09-17 This is why we can’t have nice things: malware callbacks to icanhazip.com
2013-09-17 Need an edge at work? Learn accounting and finance.
2013-07-18 Come and get your SELinux shirts!
2013-07-05 Confine untrusted users (including your children) with SELinux
2013-06-19 My interview on the Dave and Gunnar Show
2013-06-15 Red Hat Summit 2013 Recap
2013-06-03 Installing the Xen hypervisor on Fedora 19
2013-05-29 Presentation: Demystifying SELinux
2013-05-15 Changing your ssh server’s port from the default: Is it worth it?
2013-04-26 Automate CentOS 6 deployments with CIS Security Benchmarks already applied
2013-04-26 Limit access to the su command
2013-04-19 Reprint: Stop Disabling SELinux!
2013-04-16 Seriously, stop disabling SELinux
2013-04-15 Remove sensitive information from email headers with postfix
2013-03-17 Survive the Google Reader exodus with Tiny Tiny RSS
2013-03-03 Controlling sensitive company data means losing some control of it
2013-02-08 Quick access to OpenPGP tasks with GPGTools in OS X
2013-01-13 What my toddler taught me about information security
2012-11-26 Reaching a new milestone and making some big changes
2012-09-21 Automatic package updates in CentOS 6
2012-08-06 Monitoring and protecting your reputation online
2012-08-01 Building vpnc with openssl support via MacPorts on Mac OS X
2012-07-14 X forwarding over ssh woes: DISPLAY is not set
2012-07-10 SELinux, Xen, and block devices in Fedora 17
2012-06-29 Red Hat Summit 2012: Thursday
2012-06-28 Red Hat Summit 2012: Wednesday
2012-05-11 Lesser-known but extremely handy Linux tools
2012-02-07 Using OpenSSL’s s_client command with web servers using Server Name Indication (SNI)
2012-02-05 The Kerberos-hater’s guide to installing Kerberos
2012-02-04 Get notifications instead of automatic updates in Scientific Linux
2012-02-03 Kerberos for haters
2012-01-26 Getting started with SELinux
2012-01-02 SELinux and .forward files
2011-11-23 Automatically upgrading to new point releases of Scientific Linux
2011-09-16 Receive e-mail reports for SELinux AVC denials
2011-09-08 Getting apache, PHP, and memcached working with SELinux
2011-03-10 Strategies for detecting a compromised Linux server
2010-11-16 Accessing Rackspace Cloud Servers and Slicehost slices privately via OpenVPN
2010-10-12 Securing your ssh server
2010-07-26 Adding comments to iptables rules
2010-03-09 Rackspace Cloud Tech Podcast Episode 2
2010-03-02 Private network interfaces: the forgotten security hole
2009-12-21 Upgraded to WordPress 2.9
2009-11-17 Automatically loading iptables rules on Debian/Ubuntu
2009-11-17 Upgraded to WordPress 2.8.6 with some theme changes
2009-07-31 Requiring SSL encryption for WordPress administration
2009-07-29 Upgraded WordPress to 2.8.2
2009-05-26 Simple SOCKS proxy using SSH
2009-02-05 New Linux security advisory Twitter bots
2008-09-10 Upgraded to WordPress 2.6.2
2008-09-02 Encrypted filesystems and partitions on RHEL 5
2008-07-15 Enabling all tests with Nessus
2008-06-11 MySQL: Can’t drop one or more of the requested users
2008-04-23 Plesk: Disabling TRACE/TRACK methods globally
2007-12-05 Red Hat Support EOL Dates
2007-11-26 Adding SSL encryption to vsftpd
2007-11-07 OpenSSL Tricks
2007-10-17 Enforcing mode requested but no policy loaded. Halting now.
2007-10-10 BIND: ‘RRset exists (value dependent)’ prerequisite not satisfied (NXRRSET)
2007-09-14 Check the modulus of an SSL certificate and key with openssl
2007-08-29 Apache: Disable TRACE and TRACK methods
2007-08-09 WordPress 2.2.2
2007-08-03 Add custom rules to the Plesk firewall
2007-07-01 Check available entropy in Linux
2007-07-01 Active FTP connections through iptables
2007-07-01 Enable SSL support in Postfix
2007-06-30 Remove all open_basedir restrictions in Plesk
2007-06-14 500 OOPS error from vsftpd
2007-06-14 Rebuild RPM file permissions and ownerships
2007-06-07 FreeBSD: Limiting closed port RST response
2007-05-28 Cisco PIX: Cannot select private key
2007-05-27 Install snort and BASE on FreeBSD
2007-05-23 Remove PHP’s open_basedir restriction in Plesk
2007-05-22 Changing the default SSL certificate in Plesk
2007-05-21 Joomla and Plesk permissions
2007-05-18 Relay access denied
2007-05-17 Add SSL/TLS support to proftpd
2007-04-27 Adding chrooted FTP users outside of Plesk
2007-04-17 SSL connection to a non-secure port
2007-04-12 Disable SSH timeouts
2007-04-08 Disable SSLv2 in Lighttpd
2007-03-26 Reset MySQL root password
2007-03-23 Exporting SSL certificates from Windows to Linux
2007-03-21 Forcing HTTPS (SSL) with mod_rewrite
2007-03-21 Forcing HTTPS with PHP
2007-03-12 Quick and fancy mail blacklist checking
2007-03-06 Finding compromised scripts
2007-02-27 Disabling SSLv2 in Plesk
2007-02-23 Hide Apache Version
2007-02-14 Chmod and the mysterious first octet
2007-02-10 Finding compromised mail accounts in Plesk
2007-02-09 Delete single iptables rules
2007-02-07 Fighting DDOS attacks in Linux
2007-02-06 Cisco Logging to RHEL
2007-01-31 Treason Uncloaked
2007-01-24 Verify that SSLv2 is disabled
2007-01-24 Plesk admin user can’t login
2007-01-05 Securing MySQL
2006-12-31 About Sticky Bits
2006-12-27 Rootkit Checks on RHEL