On Fri, 2017-05-05 at 16:57 +0100, Patrick O'Callaghan wrote: > On Fri, 2017-05-05 at 17:17 +0200, François Patte wrote: > > Le 05/05/2017 à 17:06, Javier Perez a écrit : > > > Hi. > > > I guess this is more like a general Linux question. > > > > > > How can I find out on my Fedora 25 what port I have to open up > > > for a > > > program to work? > > > > > > I recently purchased a Multifunction Canon Printer TS5000 series. > > > They > > > use a propetary program for scanning images called ScangearMP . > > > > > > When I execute scangearmp2 it cannot find the printer on the > > > wireless > > > network. > > > If I drop the firewall, then scangearmp2 indeed finds the > > > printer. > > > > > > How can I find out what firewall ports scangear is trying to use? > > > I > > > tried netstat but the listing I saw was kind of large and did not > > > immediately make sense to me. > > > > printer: ipp protocol port 631 > > Not necessarily. I have a problem with a Brother multifunction which > has worked for 3 years and now will print but not scan. See: > > https://lists.fedoraproject.org/archives/list/users@lists.fedoraproje > ct.org/thread/UU7A5X3FBHTXJPJVDXLTTCCIGYTS7CSI/#ENSCQUXN5RSIIH6EITGXN > K7DVHBJDHVQ > > I have also reported it to BZ: > > https://bugzilla.redhat.com/show_bug.cgi?id=1444619 > > I agree it may be a firewall problem, but opening port 631 makes no > difference whatever (and as I say, the print function was already > working). > Scangear most likely uses port 8612 (open it for TCP + UDP). For details see man sane-pixma under firewalling. /Louis _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx
