Julian Elischer wrote:
> In this world of P2P apps it would be neat to have a way that two P2P apps
> could attach to each other even though each is through a firewall. Most
> firewalls only allow
> "outgoing" connections.
There is a great deal of work in this area in the IETF. It's mostly focused
Am 27.11.2005 um 11:18 schrieb Paweł Małachowski:
On Sat, Nov 26, 2005 at 10:18:49PM -0800, Julian Elischer wrote:
I'm still thinking about connecting systems separated by NAT however.
that's a trickier problem. you still need to use outgoing
connections but
no-one who is not in the path ca
On Sun, Nov 27, 2005 at 02:21:02PM -0800, Julian Elischer wrote:
> yes, which means it might unexpectedly fail.
I don't see how it can be done with TCP, assuming both peers are behind
NATing firewalls (like pf).
Some tricks to consider are:
Let one peer send a SYN through the firewall towards t
Brian Candler wrote:
On Sat, Nov 26, 2005 at 10:18:49PM -0800, Julian Elischer wrote:
In this world of P2P apps it would be neat to have a way that two P2P apps
could attach to each other even though each is through a firewall. Most
firewalls only allow
"outgoing" connections.
It would of
On Sat, Nov 26, 2005 at 10:18:49PM -0800, Julian Elischer wrote:
> In this world of P2P apps it would be neat to have a way that two P2P apps
> could attach to each other even though each is through a firewall. Most
> firewalls only allow
> "outgoing" connections.
>
> It would of course be possib
On Sat, Nov 26, 2005 at 10:18:49PM -0800, Julian Elischer wrote:
> I'm still thinking about connecting systems separated by NAT however.
> that's a trickier problem. you still need to use outgoing connections but
> no-one who is not in the path can not tell what the NAT'd packets looke
> like.
B
On Sat, 26 Nov 2005, Julian Elischer wrote:
In this world of P2P apps it would be neat to have a way that two P2P apps
could attach to each other even though each is through a firewall. Most
firewalls only allow
"outgoing" connections.
Go research Microsoft's uPnP firewall support.
Mike "S