Wireless networking

MAC Filtering (layer 2 address filtering) refers to a security access control methodology whereby the 48-bit address assigned to each network card is used to determine access to the network. Iptables, pf, and IPFW can block a certain MAC address on a network, just like an IP. One can deny or allow from MAC address like 00:1e:2a:47:42:8d using open source firewalls. MAC address filtering is often used to secure LAN or wireless network / devices. Is this technique effective?

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The US authorities have charged 11 people in connection with the theft of credit-card details in the country’s largest-ever identity theft case. The cracking was done using nothing but wireless routers and by driving around neighbourhoods and cracking into wireless equipment. I’ve already written about few basic tips about securing wifi router.

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Describes some common wireless security tips for Windows, Linux, Game console and PDAs for home wifi network.

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I’ve already written about configuring and using DLink wireless card with the help of RT61 driver. However, few readers like to know more about Wi-Fi Protected Access (WPA and WPA2) secure wireless configurations. Step # 1: Configure Router / AP with WPA2 Security Mode First you need to configure WPA2 security mode on the access […]

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There is a program called Ping Tunnel to send TCP traffic over ICMP. From the project home page: Ptunnel is an application that allows you to reliably tunnel TCP connections to a remote host using ICMP echo request and reply packets, commonly known as ping requests and replies. At first glance, this might seem like […]

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Cracking 104 bit WEP (Wired Equivalent Privacy) itself is old news. However new *cracking speed* is mind blowing. According to new research it takes less than one minute to break a common 802.11 104-bit WEP encryption: WEP is a protocol for securing wireless LAN. WEP therefore uses the RC4 stream to encrypt data which is […]

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This news just comes in. I need to install for this AR5005UG chipset based card. From the article, “Two new wireless drivers have been comitted recently. You can grab the newest snapshot (9/16/06) and test them out if you have one of these cards. uath(4), a driver for Atheros USB2.0 AR5005UG/AR5005UX chipsets. Based on a […]

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