http://www.cyberciti.biz/tips This is a Linux sys admin journal by Vivek about sys admin work, Linux tips & tricks, hacks, news and more. Fri, 03 Feb 2012 22:45:35 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 http://www.cyberciti.biz/tips/linux-network-card-restart-autonegotiation.html http://www.cyberciti.biz/tips/linux-network-card-restart-autonegotiation.html#comments Mon, 16 Jul 2007 14:47:17 +0000 Vivek Gite http://www.cyberciti.biz/tips/linux-network-card-restart-autonegotiation.html http://www.cyberciti.biz/tips/linux-network-card-restart-autonegotiation.html/feed 0 http://www.cyberciti.biz/tips/iptables-mac-address-filtering.html http://www.cyberciti.biz/tips/iptables-mac-address-filtering.html#comments Tue, 27 Dec 2005 16:38:00 +0000 Vivek Gite http://www.cyberciti.biz/tips/iptables-mac-address-filtering.html LAN or wireless access can be filtered by using the MAC addresses of the devices transmitting within your network. A mac address is acronym for media access control address, is a unique address assigned to almost all-networking hardware such as Ethernet cards, routers, mobile phones, wireless cards and so on (see mac address at wikipedia for more information). This quick tutorial explains how to block or deny access using MAC address using iptables - Linux administration tool for IPv4 packet filtering and NAT.]]> http://www.cyberciti.biz/tips/iptables-mac-address-filtering.html/feed 27