[tor-talk] Setting up redirection to TORs transparent proxy

[coderman]

On Fri, May 11, 2012 at 11:13 AM, John Donoe <barfootoo at yahoo.com> wrote:
> ...
> I thought I had understood that ruleset, but theres one point I simply dont get: That TCP segments are only redirected to the port Tor listens on when the SYN flag is set.

connection tracking (conntrack) works on new streams; when the SYN
(connect) is redirected, the conntrack behavior in iptables does the
rest.

you can read an overview here if curious:
http://people.netfilter.org/pablo/docs/login.pdf