Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-18 Thread Kent West
On 11/17/19 3:02 AM, Anthony DeRobertis wrote: Quick search of https://sources.debian.org/src/cups/2.3.0-7/backend/ipp.c/ shows there is no different between ipp and http, and no difference between ipps and https. ipps and https force encryption, using SSL/TLS (just like you'd expect from

Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-17 Thread Anthony DeRobertis
Quick search of https://sources.debian.org/src/cups/2.3.0-7/backend/ipp.c/ shows there is no different between ipp and http, and no difference between ipps and https. ipps and https force encryption, using SSL/TLS (just like you'd expect from https) (so if your printer doesn't offer

Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-15 Thread Brian
On Fri 15 Nov 2019 at 12:44:16 -, Dan Purgert wrote: > mick crane wrote: > > On 2019-11-14 23:52, Dan Purgert wrote: > > > >>> What is more interesting is why a user thinks that the LPD protocol > >>> gives them something that IPP doesn't. > >> > >> Who said that LPR/LPD gave people

Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-15 Thread Dan Purgert
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 mick crane wrote: > On 2019-11-14 23:52, Dan Purgert wrote: > >>> What is more interesting is why a user thinks that the LPD protocol >>> gives them something that IPP doesn't. >> >> Who said that LPR/LPD gave people "something" that IPP doesn't? >

Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-15 Thread mick crane
On 2019-11-14 23:52, Dan Purgert wrote: What is more interesting is why a user thinks that the LPD protocol gives them something that IPP doesn't. Who said that LPR/LPD gave people "something" that IPP doesn't? I'm not really sure about what happens. Is it that a CUPS server translates what

Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-14 Thread Dan Purgert
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Brian wrote: > On Thu 14 Nov 2019 at 11:12:38 -, Dan Purgert wrote: >> Sorting by "newest" on their (laser / color led) models listing results >> in the "HL-L3270CDW" being listed as "newest" -- digging around, it >> seems that it's a 2018

Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-14 Thread Brian
On Thu 14 Nov 2019 at 11:12:38 -, Dan Purgert wrote: > Brian wrote: > > I wonder how many modern printers support the lpd protocol? > > How do we define "modern"? Just looked at a few Brother MFPs, and they > still support it (although I don't know how old the actual models are). Modern?

Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-14 Thread Dan Purgert
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Brian wrote: > On Wed 13 Nov 2019 at 13:55:57 -, Dan Purgert wrote: >> You asked about the "classic" printers we both (apparently) own. Mine >> here still support being addressed via LPR/LPD, not to mention PCL, >> postscript, etc. > > I wish I

Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-13 Thread Brian
On Wed 13 Nov 2019 at 13:55:57 -, Dan Purgert wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA256 > > Brian wrote: > > On Tue 12 Nov 2019 at 20:27:00 -, Dan Purgert wrote: > > > >> Brian wrote: > >> >> > >> >> Not really, tbh. I haven't had to look that deeply into the state of

Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-13 Thread Dan Purgert
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Brian wrote: > On Tue 12 Nov 2019 at 20:27:00 -, Dan Purgert wrote: > >> Brian wrote: >> >> >> >> Not really, tbh. I haven't had to look that deeply into the state of >> >> printing in ... well, much longer than I thought it'd been this

Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-12 Thread Gene Heskett
On Tuesday 12 November 2019 11:01:39 Klaus Singvogel wrote: > Gene Heskett wrote: > > > CreateProfile failed: > > > org.freedesktop.ColorManager.AlreadyExists:profile ... already > > > exists > > > > Thats permissions.. But why can't the same software that wrote that > > profile, rewrite that

Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-12 Thread Brian
On Tue 12 Nov 2019 at 20:27:00 -, Dan Purgert wrote: > Brian wrote: > >> > >> Not really, tbh. I haven't had to look that deeply into the state of > >> printing in ... well, much longer than I thought it'd been this morning. > >> > >> Time flies :| > > > > So, when CUPS ceases to support

Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-12 Thread Dan Purgert
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Brian wrote: >> >> Not really, tbh. I haven't had to look that deeply into the state of >> printing in ... well, much longer than I thought it'd been this morning. >> >> Time flies :| > > So, when CUPS ceases to support PPDs (probably in a

Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-12 Thread Brian
On Tue 12 Nov 2019 at 19:51:42 -, Dan Purgert wrote: > Brian wrote: > > On Tue 12 Nov 2019 at 11:30:33 -, Dan Purgert wrote: > > > >> I believe the newest printers offer a way to print "driverless" via IPP > > > > "Newest" encompasses the past 5-10 years. > > Yeah, meant "newer" there.

Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-12 Thread Dan Purgert
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Brian wrote: > On Tue 12 Nov 2019 at 11:30:33 -, Dan Purgert wrote: > >> I believe the newest printers offer a way to print "driverless" via IPP > > "Newest" encompasses the past 5-10 years. Yeah, meant "newer" there. Have had my current

Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-12 Thread Brian
On Tue 12 Nov 2019 at 11:30:33 -, Dan Purgert wrote: > I believe the newest printers offer a way to print "driverless" via IPP "Newest" encompasses the past 5-10 years. > as well -- that is, rather than needing a device-specific PPD, the use > of IPP lets you just send a standardized

Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-12 Thread Gene Heskett
On Tuesday 12 November 2019 10:15:33 David Wright wrote: > On Tue 12 Nov 2019 at 09:26:03 (-0500), Gene Heskett wrote: > > On Tuesday 12 November 2019 08:48:41 Klaus Singvogel wrote: > > > Gene Heskett wrote: > > > > That [v1.::1] looks like shorthand for ipv6, but the nearest > > > > ipv6

Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-12 Thread Kent West
On 11/12/19 9:02 AM, Brian wrote: On Mon 11 Nov 2019 at 10:18:26 -0600, Kent West wrote: When adding a printer via the CUPS web interface (localhost:631) on my Debian box, Administration / Add Printer / Other Network Printers, there are four Internet Printing Protocol options: https ipp

Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-12 Thread Klaus Singvogel
Gene Heskett wrote: > > CreateProfile failed: > > org.freedesktop.ColorManager.AlreadyExists:profile ... already exists > > > Thats permissions.. But why can't the same software that wrote that > profile, rewrite that profile? Ask the software developer, which I'm not. > So what do I do to get

Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-12 Thread David Wright
On Tue 12 Nov 2019 at 09:26:03 (-0500), Gene Heskett wrote: > On Tuesday 12 November 2019 08:48:41 Klaus Singvogel wrote: > > Gene Heskett wrote: > > > That [v1.::1] looks like shorthand for ipv6, but the nearest ipv6 > > > capable connection is probably 185 miles north of here in Pittsburgh > > >

Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-12 Thread Brian
On Tue 12 Nov 2019 at 08:46:50 +1300, Richard Hector wrote: > On 12/11/19 8:38 AM, Kent West wrote: > > > > On 11/11/19 10:40 AM, Brian wrote: > >> On Mon 11 Nov 2019 at 10:18:26 -0600, Kent West wrote: > >> > >>> Probably answered somewhere, but I've been DuckDuckGo-ing for the > >>> past two >

Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-12 Thread Gene Heskett
On Tuesday 12 November 2019 09:11:04 Curt wrote: > On 2019-11-12, Klaus Singvogel wrote: > > CreateProfile failed: > > org.freedesktop.ColorManager.AlreadyExists:profile ... already > > exists > > Maybe as simple as "Resume Printer" (wouldn't that be wonderful?). > Except there is no place

Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-12 Thread Gene Heskett
On Tuesday 12 November 2019 08:48:41 Klaus Singvogel wrote: > Gene Heskett wrote: > > This is my logs: > > root@coyote:cups$ cat /var/log/cups/access_log > > localhost - - [12/Nov/2019:00:11:00 -0500] "POST / HTTP/1.1" 200 349 > > Create-Printer-Subscriptions successful-ok localhost - - > >

Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-12 Thread Curt
On 2019-11-12, Klaus Singvogel wrote: > > CreateProfile failed: org.freedesktop.ColorManager.AlreadyExists:profile ... > already exists Maybe as simple as "Resume Printer" (wouldn't that be wonderful?). > Best regars, > Klaus. -- “The cradle rocks above an abyss, and common sense

Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-12 Thread Klaus Singvogel
Gene Heskett wrote: > > This is my logs: > root@coyote:cups$ cat /var/log/cups/access_log > localhost - - [12/Nov/2019:00:11:00 -0500] "POST / HTTP/1.1" 200 349 > Create-Printer-Subscriptions successful-ok > localhost - - [12/Nov/2019:00:11:00 -0500] "POST / HTTP/1.1" 200 176 >

Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-12 Thread Gene Heskett
Since I installed stretch on this machine, my printer server since the early 2000's, suddenly nothing works. No printers are shared despite my checking the box to share it during a reconfiguration of that profile. What do I do to restore what was an "everything just worked" when this machine

Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-12 Thread Klaus Singvogel
Dan Purgert wrote: > Kent West wrote: > > > > Unable to open PPD file: > > > > Missing asterisk in column 1 [...] It's your PPD file for the printer, which seams not to be readable, most likely not existend. The PPD (PostScript Printer Defintion) file is locate under /etc/cups/ppds (or

Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-12 Thread Dan Purgert
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Kent West wrote: > After some testing, I find that selecting "http" creates a working > printer; selecting "ipps" does not. The latter generates an error page > that says: > > Unable to open PPD file: > > Missing asterisk in column 1 > > > So

Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-11 Thread Kent West
On 11/11/19 1:44 PM, Kent West wrote: On 11/11/19 1:38 PM, Kent West wrote: On 11/11/19 10:40 AM, Brian wrote: On Mon 11 Nov 2019 at 10:18:26 -0600, Kent West wrote: When adding a printer via the CUPS web interface (localhost:631) on my Debian box, Administration / Add Printer / Other

Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-11 Thread Dan Purgert
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Kent West wrote: > Probably answered somewhere, but I've been DuckDuckGo-ing for the past > two hours and can't find the answer. > > When adding a printer via the CUPS web interface (localhost:631) on my > Debian box, Administration / Add Printer

Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-11 Thread Klaus Singvogel
Kent West wrote: > > lrwxrwxrwx 1 root root  3 Oct 31 02:44 http -> ipp > lrwxrwxrwx 1 root root  3 Oct 31 02:44 https -> ipp > -rwxr-xr-x 1 root root  80120 Oct 31 02:44 ipp > lrwxrwxrwx 1 root root  3 Oct 31 02:44 ipps -> ipp > > Thank you. That does tell me they are all the same.

Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-11 Thread Richard Hector
On 12/11/19 8:38 AM, Kent West wrote: > > On 11/11/19 10:40 AM, Brian wrote: >> On Mon 11 Nov 2019 at 10:18:26 -0600, Kent West wrote: >> >>> Probably answered somewhere, but I've been DuckDuckGo-ing for the >>> past two >>> hours and can't find the answer. >>> >>> When adding a printer via the

Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-11 Thread Kent West
On 11/11/19 1:38 PM, Kent West wrote: On 11/11/19 10:40 AM, Brian wrote: On Mon 11 Nov 2019 at 10:18:26 -0600, Kent West wrote: When adding a printer via the CUPS web interface (localhost:631) on my Debian box, Administration / Add Printer / Other Network Printers, there are four Internet

Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-11 Thread Kent West
On 11/11/19 10:40 AM, Brian wrote: On Mon 11 Nov 2019 at 10:18:26 -0600, Kent West wrote: Probably answered somewhere, but I've been DuckDuckGo-ing for the past two hours and can't find the answer. When adding a printer via the CUPS web interface (localhost:631) on my Debian box,

Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-11 Thread deloptes
Brian wrote: >> When adding a printer via the CUPS web interface (localhost:631) on my >> Debian box, Administration / Add Printer / Other Network Printers, there >> are four Internet Printing Protocol options: >> >> https >> >> ipp >> >> http >> >> ipps >> >> Which one do I want to select?

Re: Difference between ipp, ipps, http, https CUPS protocols?

2019-11-11 Thread Brian
On Mon 11 Nov 2019 at 10:18:26 -0600, Kent West wrote: > Probably answered somewhere, but I've been DuckDuckGo-ing for the past two > hours and can't find the answer. > > When adding a printer via the CUPS web interface (localhost:631) on my > Debian box, Administration / Add Printer / Other

Difference between ipp, ipps, http, https CUPS protocols?

2019-11-11 Thread Kent West
Probably answered somewhere, but I've been DuckDuckGo-ing for the past two hours and can't find the answer. When adding a printer via the CUPS web interface (localhost:631) on my Debian box, Administration / Add Printer / Other Network Printers, there are four Internet Printing Protocol