port forwarding really really slow

[Matt Johnston]

On Fri, 5 Dec 2008 23:12:33 +0000 (UTC), GeorgeM <id0_316118 at yahoo.com>
wrote:
> i'm using dropbear for dynamic port forwarding. i've noticed that if i 
> instruct the socks clients to do dns lookups via tunnel the connection 
> becomes unusably slow. for example trying to open youtube, or other
> reasonably
> complex site will timeout during page load. my question is: does dropbear

> do dns lookups asynchroneously? does it cache recent queries? is there
> an option i've missed out?

Hi,

Currently Dropbear doesn't do anything clever with DNS, it just calls get
getaddrinfo() synchronously. I'll take a look at how hard it would be to do
asynchronous lookups. I'm not sure that caching really belongs in
individual apps - if anything it should be the socks client doing caching?

Matt