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Category Archives: Networks
The importance of using stateful firewall rules on port 53 (DNS)
Scenario A firewall appliance forwards DNS traffic to the outside world. The traffic generated is e.g. for Server 2008 as per here in Technet, i.e. Traffic Type Source of Transmission Source Port Destination of Transmission Destination Port Queries from local … Continue reading
Getting ready for IPv6
I want to make sure the Slackware Linux edge servers are ready for IPv6 when eventually the ISPs catch up. We signed up for a free tunnel endpoint with http://www.gogo6.com/freenet6/tunnelbroker/ to try a few things out. Building the gogoc client … Continue reading