Bogdan-Andrei Iancu wrote:
Hi Klaus,
the fix it's on cvs - any feedback will be helpful :)
Hi Bogdan!
I made some tests (listen on one interface, on multiple interfaces,
changing the order of the interfaces, using force_send_socket) and
everything worked as I expected it - no problems.
Thanks a lot for the fix (and all the other fixes).
regards
klaus
PS: It somehow wonders me that nobody found this bug before. Maybe
nobody uses TCP :-(
regards,
bogdan
Bogdan-Andrei Iancu wrote:
Hi Klaus,
I already tested bind with port 0 on linux and BSD kernels and works -
but I have no access other OS, like solaris for example.
if same scheme is used in netcat, I would say is a good argument to
for it (until proved otherwise :-/) - if no force_socket is used, the
first listening TCP address will be used; otherwise the IP from forced
socket.
what I'm still looking for is to try to maintain the same interface in
case of forwarding from TCP2TCP - if received over TCP on interface1,
use the same (if not forced) interface to fwd.
hopefully the code will be ready today.
regards,
bogdan
Klaus Darilion wrote:
Klaus Darilion wrote:
Bogdan-Andrei Iancu wrote:
> I know no way to bind only to an address but letting the kernel to
choose the port (a portable solution)......
What about setting the port to 0? I tried it and it works on Linux.
Do you think that this does not work on other OS?
I reviewed the source code of netcat (which is quiet portable) and
netcat also does it this way:
socket()
bind()
connect()
When binding, the "dynamic" part (address or port) will be set to 0.
I think we should also implement this in openser. If openser listen
only on one interface the bind logic is simple: take this IP address.
If openser listens to multiple IP addresses we can just use the first
IP address, or we can have a logic which chooses the best IP address
(e.g. the IP address, on which the request was received).
regards
klaus
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