Tag Archive for 'Security'

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DefCon 23 Video Demo: MAC Flooding on Citrix XenServer 6.2 with Open vSwitch 1.4.6

DefCon 23 Video Demo: MAC Flooding on Gentoo/Xen with Open vSwitch 2.0.0

DefCon 23 Video Demo: MAC Flooding on Gentoo/Xen with 802.1d Bridging

Disabling User List in GDM (Gnome 3)

In a multi-user environment you really do not want a full list of usernames being displayed in the GDM login screen for security reasons. In order to disable this feature on my Gentoo lab systems running Gnome 3 and GDM I performed the following actions.