Radius and 802.1X Securing Network Access with 802.1X, Radius, and LDAPFeb 28, 2005
The Radius protocol is typically used to authenticate users in dial-up scenarios. But Radius is also useful in LAN environments: in combination with 802.1X, Radius forces users to authenticate at a low level before the switch opens up a port.more »
Charly's Column The Sysadmins Daily Grind: OpenNTPDJan 31, 2005
On vacation we may be happy just to check the position of the sun,but computers need a more accurate measure of time. Luckily, there are atomic clocks that can receive time signals by radio and off the Internet.more »
OpenVPN Safe WLAN Networking with an Encrypted OpenVPN TunnelJan 31, 2005
Wireless networks are practical but dangerous at the same time.WEP encryption is unlikely to stop an attacker. But help is at hand in the form of add-on security measures such as an encrypted OpenVPN tunnel.more »
Bridgewall Implementing a bridging-level firewallDec 31, 2004
Firewalls are typically implemented as routers,but it doesn’t have to be that way. Bridging packet filters have a number of advantages,and you can add them to your network at a later stage without changing the configuration of your network components.more »
Shorewall Configuring Netfilter/iptables with ShorewallDec 31, 2004
When users think about their workstations at home, they often forget about security. But danger is out there,waiting to pounce on the unsuspecting. Shorewall helps everyday Linux users keep the intruders away.more »
Firewalls Intro Firewalls for the everydayDec 31, 2004
Firewalls are becoming evermore sophisticated. Luckily, the tools for managing firewalls are becoming simpler and more accessible for ordinary usersmore »
But you can still be a non-voting “individual supporter” if you pay the money
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Proposals for presentations at the CeBIT Open Source Forum will be accepted through 24 January 2016.
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