Admin Workshop: Resolvers Insider Tips: Resolving Names in DNSSep 30, 2005
The resolver is the window from your computer to the global DNS system. Simply typing a URL awakens a link to computers all over the world.more »
Charly's Column The Sysadmin’s Daily Grind: PortfwdAug 31, 2005
Incoming TCP connections do not always end up where they are supposed to. A freely configurable redirector points digital debris in the direction of a new and better place.more »
TCP Hijacking Understanding and preventing TCP attacksAug 31, 2005
It is quite easy to take a TCP connection down using a RST attack, and this risk increases with applications that need long-term connections, such as VPNs, DNS zone transfers, and BGP. We’ll describe how a TCP attack can happen, and we’ll show you some simple techniques for protecting your network.more »
Socks 5 Examining the generic Socks version 5 proxy protocolJun 30, 2005
Socks is a universal proxy protocol for TCP and UDP that allows internal hosts to securely pass the firewall and authenticates users. This article describes the latest version of the Socks proxy protocol and shows how to implement it.more »
ARP Spoofing ARP spoofing and poisoningJun 30, 2005
Any user on a LAN can sniff and manipulate local traffic. ARP spoofing and poisoning techniques give an attacker an easy way in.more »
Security Intro Knowing the ways of the enemyJun 30, 2005
SSPE Security Policies SSPE: Managing security policies for multiple firewallsJun 30, 2005
The Simple Security Policy Editor (SSPE) helps you organize your network and keep track of security policies across multiple firewalls. You can reference a central policy to generate rulesets for packet filters and VPN gateways.more »
A major setback for the Linux desktop.
Improved support for GPU in virtualization.
News site for the openSUSE community falls victim to a Wordpress exploit.
The source code is available online.
One out of three virtual machines on Microsoft Azure Cloud run Linux.
The form factor of the board makes it a drop-in replacement for Raspberry Pi.
Makes it easier for customers to move workloads into container-centric applications.
SUSE’s answer to container-centric operating systems.
Linux 4.9 is the biggest release in terms of number of commits.
The latest version of the official RHEL clone is here.