Experimental Physics and
Industrial Control System

"Jeff Hill" <[email protected]> · Wed, 1 Mar 2006 10:18:14 -0700

A common configuration (at the APS and elsewhere) is to install a CA proxy
server 
(a CA gateway) inside the firewall and then punch a hole in the firewall for
the server port 
of the CA proxy server.

Jeff

> -----Original Message-----
> From: Tim Mooney [mailto:[email protected]] 
> Sent: Wednesday, March 01, 2006 10:00 AM
> To: Antonino Miceli
> Cc: [email protected]
> Subject: Re: IDL MCA and CA through firewalls??
> 
> 
> 
> 
> Antonino Miceli wrote:
> 
> > Hi,
> > 
> > I am trying to control (via channel access) a detector/IOC 
> using the 
> > IDL
> > MCA GUI. For reasons beyond my control, I cannot get this client to
> > install properly on a computer which lives on the same side of the 
> > firewall as the detector lives.
> > 
> > However, I can run the IDL MCA client on a different subnet (and on 
> > the
> > other side of the firewall). [For those at APS, I want to 
> run the client 
> > on oxygen (52 subnet), but my detector and it's IOC are 
> behind a CAT 
> > firewall (namely 248 subnet).]
> > 
> > So, it possible for an EPICS client to talk to EPICS server 
> through a
> > firewall?
> 
> Yes, but you have to get a network administrator to poke some 
> holes in the firewall. By default, EPICS uses ports 5064 and 
> 5065 for normal CA traffic.
> 
> -- 
> Tim Mooney ([email protected]) (630)252-5417
> Beamline Controls & Data Acquisition Group
> Advanced Photon Source, Argonne National Lab.
> 

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System