heise-security.co.uk — Ever wondered, how P2P software like Skype directly exchanges data -- despite the fact, that both machines are sitting behind a firewall that only permits outgoing traffic? Read about the hole punching techniques, that make a the firewall admins nightmare come true.
Dec 15, 2006 View in Crawl 4
bugsy187Dec 16, 2006
I got a wallet, Steve.
radu79Dec 16, 2006
Most do (but usually not for file transfer).
tempusrobDec 16, 2006
"what do some admins care if someone is talking to a friend on the phone?"Because if you want to talk to your friend on the phone, use your goddamn cell. That bandwidth is there for business./yes, I'm a sysadmin//not a BOFH, but c'mon...
netferretDec 16, 2006
if someone wanted to block it that much I'm sure you could get some DPI(Deep Packet Inspection) Hardware.
icheyneDec 16, 2006
The Security Now podcast explained NAT Traversal better than this.<a class="user" href="http://media.grc.com/sn/SN-042.mp3">http://media.grc.com/sn/SN-042.mp3</a><a class="user" href="http://www.grc.com/sn/SN-042.htm">http://www.grc.com/sn/SN-042.htm</a>
Closed AccountDec 16, 2006
Anyone looking for a really easy way to get NAT punching without any real work on your part? Windows SP1 w/Advanced Networking Pack, Windows SP2, Vista, and any Linux / BSD so configured can use Teredo (Miredo in *nix land), published in RFC4380 and this informative website:<a class="user" href="http://www.microsoft.com/technet/prodtechnol/winxppro/maintain/teredo.mspx">http://www.microsoft.com/technet/prodtechnol/winxppro/maintain/teredo.mspx</a>
bugsy187Dec 20, 2006
I'm glad someone appreciated the comment, Xisting. ;)