Tags: skype Posted by BackTrack in Linux, Networking on Saturday December 29th, 2012 Using simple bash script (uses Linux DNS utility – dig) we can get most of these server’s IP addresses:įor i in do dig +short dsn$i.d. done | sort | uniq Currently there are 16 DNS entries from dsn0.d. to. However at present time (December, 2012) Skype client connections can be blocked pretty simply by a few firewall rules.Īfter startup, Skype client receives a number of it’s master (login?) servers – dsnX.d. There is a popular belief that Skype client is very hard to block on the network layer, due to it’s Peer-To-Peer behavior and usage of HTTP/S ports.
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