New Post: sftp behind proxy unable to connect

ok,

I've got a bit more information, the sockets are getting blanks and the connect method is stuck in this loop:

System.Net.Sockets Verbose: 0 : [6392] Exiting Socket#51791499::BeginReceive() -> OverlappedAsyncResult#15796147
System.Net.Sockets Verbose: 0 : [6392] Socket#51791499::EndReceive(OverlappedAsyncResult#15796147)
System.Net.Sockets Verbose: 0 : [6392] Exiting Socket#51791499::EndReceive() -> Int32#0
System.Net.Sockets Verbose: 0 : [6392] Socket#51791499::BeginReceive()
System.Net.Sockets Verbose: 0 : [7256] Data from Socket#51791499::PostCompletion
System.Net.Sockets Verbose: 0 : [7256] 00000000 : :
System.Net.Sockets Verbose: 0 : [6392] Exiting Socket#51791499::BeginReceive() -> OverlappedAsyncResult#39737976
System.Net.Sockets Verbose: 0 : [6392] Socket#51791499::EndReceive(OverlappedAsyncResult#39737976)
System.Net.Sockets Verbose: 0 : [6392] Exiting Socket#51791499::EndReceive() -> Int32#0
System.Net.Sockets Verbose: 0 : [6392] Socket#51791499::BeginReceive()
System.Net.Sockets Verbose: 0 : [7256] Data from Socket#51791499::PostCompletion
System.Net.Sockets Verbose: 0 : [7256] 00000000 : :
System.Net.Sockets Verbose: 0 : [6392] Exiting Socket#51791499::BeginReceive() -> OverlappedAsyncResult#43378475
System.Net.Sockets Verbose: 0 : [6392] Socket#51791499::EndReceive(OverlappedAsyncResult#43378475)
System.Net.Sockets Verbose: 0 : [6392] Exiting Socket#51791499::EndReceive() -> Int32#0
System.Net.Sockets Verbose: 0 : [6392] Socket#51791499::BeginReceive()
System.Net.Sockets Verbose: 0 : [7256] Data from Socket#51791499::PostCompletion
System.Net.Sockets Verbose: 0 : [7256] 00000000 : :
System.Net.Sockets Verbose: 0 : [6392] Exiting Socket#51791499::BeginReceive() -> OverlappedAsyncResult#5874319
System.Net.Sockets Verbose: 0 : [6392] Socket#51791499::EndReceive(OverlappedAsyncResult#5874319)
System.Net.Sockets Verbose: 0 : [6392] Exiting Socket#51791499::EndReceive() -> Int32#0
System.Net.Sockets Verbose: 0 : [6392] Socket#51791499::BeginReceive()
System.Net.Sockets Verbose: 0 : [7256] Data from Socket#51791499::PostCompletion
System.Net.Sockets Verbose: 0 : [7256] 00000000 :

Any help would be massively appreciated