help with vic firewall issue

[Eric Olson]

They only fix it in windows.  In linux, vic gives a "port in use" error 
when using a bridge.

Eric

On Mon, 16 Feb 2004, Robert Olson wrote:

> Don't ivan's recent changes to vic fix this?
> 
> At 11:56 AM 2/16/2004, Eric Olson wrote:
> 
> >There's been a firewall issue with vic that's been on ag-tech recently.
> >Basically, sockets' local ports (not normally important) need to be set
> >correctly to get through some firewalls when using unicast.
> >Here's a more complete description:
> >http://www-unix.mcs.anl.gov/web-mail-archive/lists/ag-tech/2004/01/msg00129.html
> >
> >A patch was checked in (cvs: ag-media/net/net-ip.cpp) that fixed the
> >windows version (in my tests), but gives a "port in use" error in linux.
> >http://fl-cvs.mcs.anl.gov/viewcvs/viewcvs.cgi/ag-media/vic/net/net-ip.cpp.diff?r2=1.2&r1=1.1&diff_format=l
> >
> >Setting the ports to be reuseable (SO_REUSEADDR) got rid of the error, but
> >didn't show me any streams in vic (and no firewall was in use).
> >
> >Anyone have any suggestions to try?
> >
> >If you want to reproduce the problem from mcs (outside argonne could be
> >blocked by other firewall issues):
> >Go to aps BM Beamline venue (url below), you will see a stream in
> >multicast, but not in unicast due to the firewall (unless you have the
> >windows patched vic).
> >https://bmc90.ser.aps.anl.gov:8000/Venues/000000f9613ebb60007f00000000000101e
> >
> >Shortcuts for testing
> >APS BM Beamline venue bridge and multicast
> >./vic -K 7046b5a1 bmc90.ser.aps.anl.gov/9008
> >./vic -K 7046b5a1 -t 127 224.1.2.5/1234
> >
> >I also have a local stream up for testing (although it's blue).
> >FL Hangount on ag2-test:8000 bridge and multicast:
> >./vic -K 4fc7b938 ag-tech.mcs.anl.gov/25000
> >./vic -K 4fc7b938 -t127 224.2.224.69/64020
> >https://ag-2.mcs.anl.gov:8000/Venues/000000f744de3387008c00dd000b004f3ea
> >
> >Also, /usr/sbin/lsof -i will show what ports are being used on both sides
> >of socket connections.  Here's sample output from the old vic using a
> >bridge; notice the ports on the fourth line do not match.
> >vic       UDP eolson-laptop-34:32793->ag-tech.mcs.anl.gov:25000
> >vic       UDP *:47000
> >vic       UDP eolson-laptop-34:25000->ag-tech.mcs.anl.gov:*
> >vic       UDP eolson-laptop-34:32794->ag-tech.mcs.anl.gov:25001
> >vic       UDP eolson-laptop-34:25001->ag-tech.mcs.anl.gov:*
> >
> >I'd welcome any suggestions or help.
> >Thanks,
> >Eric
> 
>