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  linuxpromagazine.com » Departments » Networking » Protocols  

SECRET AGENT Anonymous surfing with Tor and Privoxy

Internet users typically reveal their IP addresses, and this lets companies compile a profile of your Internet activities. Tor and Privoxy can help protect your privacy.

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BOOK REVIEWS

Security and Usability The TCP/ IP Guide: A Comprehensive, Illustrated Internet Protocols Reference Moving to Linux:......
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BEYOND THE PORT Blocking protocols at Layer 7 with the L7 patch

If you need a tool for filtering protocols that doesn’t depend on the port, try L7, an IPTables patch that operates through regular expressions.

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ON THE DOT Insider Tips: Network Time Protocol

Networks often require very accurate timekeeping. The Network Time Protocol provides the time with precision.

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HIJACK PREVENTION Understanding and preventing TCP attacks

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.

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ANYTIME, ANYWHERE Mobile Internet access with GPRS

Permanent mobile Internet access might sound like a nightmare for some, but for others it is a dream come true. All you need is Linux and a fairly recent mobile phone.

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TIME GAMES The Sysadmin’s Daily Grind: HTPDate

Despite the cyclical disruptions so typical of LUG meetings, our intrepid columnist, Charly, reveals how he set the system time in spite of a blocked NTP port.

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SOCKS FOR PROXY Examining the generic Socks version 5 proxy protocol

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.

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FREE Live Streaming Video from ApacheCon US 2009

Watch our free Video Archive from Apachecon US 2009. Archive provided by The Apache Foundation, COLLABNET, and Linux Pro Magazine

Drawing internationally renowned thought-leaders, contributors, and organizations in the Open Source community, ApacheCon offers insight into the culture and community that develops and shepherds industry-leading Open Source projects, including Apache HTTP Server – the world's most popular Web server software for more than 10 years.

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