JulianoRossi3l Posted September 10, 2009 Report Share Posted September 10, 2009 Hello, Galera!The uTorrent as well as any type of program that makes file transfer, only makes use of TCP, because UDP is used for other purposes. The UDP does not serve and not to download or to upload.I wonder, because uTorrent keeps a UDP connection? To be? Link to comment Share on other sites More sharing options...
DreadWingKnight Posted September 10, 2009 Report Share Posted September 10, 2009 ignoring for the moment the fact that UDP is stateless, and as such its traffic can't be classified as a connection, uTorrent uses UDP for DHT traffic, local peer discovery, and a beta bulk data protocol that is supposed to be easier to self-manage. Link to comment Share on other sites More sharing options...
JulianoRossi3l Posted September 10, 2009 Author Report Share Posted September 10, 2009 Thanks, man...But when I open uTorrent, even with DHT disabled, it does a lot of UDP connections. So I released it in the Firewall, but wanted to know why the UDP. Link to comment Share on other sites More sharing options...
DreadWingKnight Posted September 10, 2009 Report Share Posted September 10, 2009 a lot of UDP TRAFFIC, not connections.resolve IPs enabled on the peers tab?bt.transp_disposition in advanced set to what? Link to comment Share on other sites More sharing options...
JulianoRossi3l Posted September 10, 2009 Author Report Share Posted September 10, 2009 I would like to thank for helping me and apologize, my English is not very goodbt.transp_disposition in advanced set to what?I used a network analyzer, and noticed that several traffics between my "IP>> Peers [uDP]" My IP >> 79.112.42.248 UDP - Source port: 60115 Destination port: 48517My IP >> 93.81.181.0 UDP - Source port: 60115 Destination port: dj-iceMy IP >> 93.81.181.191 UDP - Source port: 60115 Destination port: 52398My IP >> 101.52.21.64 UDP - Source port: 60115 Destination port: 23500(...)Why all UDP? Link to comment Share on other sites More sharing options...
DreadWingKnight Posted September 10, 2009 Report Share Posted September 10, 2009 You see any peers with the "P" flag on the peers tab? Link to comment Share on other sites More sharing options...
JulianoRossi3l Posted September 11, 2009 Author Report Share Posted September 11, 2009 Yes, see the image:I believe this happens to everyone, I'm very suspicious about these connections via UDP.Is it safe? I will suffer some risk releasing the UDP port on my firewall? Link to comment Share on other sites More sharing options...
moogly Posted September 11, 2009 Report Share Posted September 11, 2009 It's uTP. http://en.wikipedia.org/wiki/Micro_Transport_ProtocolYou can disable uTP in/outgoing connections if you set bt.transp_disposition (see uT help file, press F1).And of course UDP is safe. Why shouldn't it be safe? Link to comment Share on other sites More sharing options...
JulianoRossi3l Posted September 11, 2009 Author Report Share Posted September 11, 2009 Thanks for your help!But if the DHT is disabled, because then, uTorrent does so many UDP connections?They're coming out new versions of uTorrent 2.0, will not have to fix this in future versions? Link to comment Share on other sites More sharing options...
moogly Posted September 11, 2009 Report Share Posted September 11, 2009 Because DHT is not the only feature using UDP. Link to comment Share on other sites More sharing options...
JulianoRossi3l Posted September 11, 2009 Author Report Share Posted September 11, 2009 What are the other resources use the DHT by uTorrent?DreadWingKnight, told me that the UDP is used by the DHT, then what are these other resources?But I believe it is an error of uTorrent, because other customers do not do torrents both UDP connections that uTorrent does. So, I wonder if you how to fix it, because if the DHT is disabled, it should not make as many connections for UDP. Link to comment Share on other sites More sharing options...
GTHK Posted September 11, 2009 Report Share Posted September 11, 2009 UDP is connectionless. And DWK also said it's used for Local Peer discovery and uTP Link to comment Share on other sites More sharing options...
JulianoRossi3l Posted September 11, 2009 Author Report Share Posted September 11, 2009 But that has to do with UDP uTP? For other than TCP, UDP is used for other purposes.I would like a clearer answer, I see no reason for so many UDP connections on a program to transfer files. Link to comment Share on other sites More sharing options...
GTHK Posted September 11, 2009 Report Share Posted September 11, 2009 UDP does not make a connection.I'd like you to post concisely and stop making the same mistakes after being corrected by two different people several times. Link to comment Share on other sites More sharing options...
JulianoRossi3l Posted September 11, 2009 Author Report Share Posted September 11, 2009 Sorry! But I'm feeling insecure ...I used a network analyzer, it clearly shows many UDP connections.MyIP>> Peers>> MyPort>> Port to Peers [uDP]Hundreds of UDP connections.And my DHT is disabled.Wanted a clearer answer, I want to know what role the use of UDP in uTorrent. Link to comment Share on other sites More sharing options...
GTHK Posted September 11, 2009 Report Share Posted September 11, 2009 Your "network analyzer" may very well be analyzing things wrong if it tells you that UDP traffic is the same as connections. As for the role of UDP:ignoring for the moment the fact that UDP is stateless, and as such its traffic can't be classified as a connection, uTorrent uses UDP for DHT traffic, local peer discovery, and a beta bulk data protocol that is supposed to be easier to self-manage. Link to comment Share on other sites More sharing options...
moogly Posted September 11, 2009 Report Share Posted September 11, 2009 And you have to change your opinion, UDP is not unsafe, especially in uT. Link to comment Share on other sites More sharing options...
JulianoRossi3l Posted September 11, 2009 Author Report Share Posted September 11, 2009 Hello,Thanks for you help.I just was not understanding.Sorry for the reminder too. Hugs Link to comment Share on other sites More sharing options...
Switeck Posted September 11, 2009 Report Share Posted September 11, 2009 Teredo/IPv6 as well as 6to4 uses UDP. Link to comment Share on other sites More sharing options...
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