On Sat 25 Feb 2023 at 17:44:15 +0300, Reco wrote: > Hi. > > On Fri, Feb 24, 2023 at 12:58:15PM -0500, Greg Wooledge wrote: > > On Fri, Feb 17, 2023 at 05:35:11PM +0300, Reco wrote: > > > Try this next time you're on site: > > > > > > lpadmin -p D14841 -E -v ipp://10.76.172.100/ipp/print -m everywhere > > > > This worked. I printed two copies of the single-page PDF from Chrome > > without any further problems. > > Just as planned. CUPS autodiscovery is only good for something if you > don't know printer's real IP. This little episode shows us that nothing > beats IP-on-sheet-of-paper discovery. 99% of users with tablets, smart phones, laptops etc would find DNS-SD more to their liking, especially if DHCP assignment is in place. It would also be hoped that port numbers and resource paths are on the sheet of paper, otherwise a user will have a lot of guessing to do.
In this thread we see how a very experienced user reacted to being denied mdns multicasting. How would an ordinary user go on? "Give them a piece of paper" sounds awfully like "Let them eat cake". > > I've gotta say, though, this option is a disaster: > > > > -E When specified before the -d, -p, or -x options, forces the use of > > TLS encryption on the connection to the scheduler. Otherwise, enables > > the destination and accepts jobs; this is the same as running the > > cupsaccept(8) and cupsenable(8) programs on the destination. > > > > Whoever decided to overload that option in that way... yikes. > > Back in the day Apple's slogan was "think different". The whole CUPS > suite is a living proof of that. Wrong target! -E was there in its present form well before Apple acquired CUPS. -- Brian.
