I put the following back at the end of /etc/ssh/sshd_config (from another machine) to get it straightened out on a new laptop (and put it back again after an upgrade, probably; IMO, even if they think their flavor of a config file is more magically secure, they ought to save people's edited version during upgrade so a user can manually put it back or merge changes; maybe they do, and I just don't know where they put it).
The last two are optional, although you clearly don't want the DISPLAY value generated to conflict with anything directly used by your actual X server. XAuthLocation /opt/X11/bin/auth # or for MacPorts X11.app rather than XQuartz.app, # XAuthLocation /opt/local/bin/xauth X11Forwarding yes X11DisplayOffset 10 X11UseLocalhost yes PS xephem is probably the best EVER use I've seen of X resources for friendly configuration of a Motif app! It's a mystery to me why nobody else seems to have done it like that, with others just leaving people to guess what the resources might be and edit .Xdefaults by hand (or recompile libXt with editres support, and use editres to discover them; I made a LD_PRELOADable .so that wrapped the necessary functions in a client's use of shared libXt to make editres work on Solaris without recompiling libXt, but I don't know if I got that to work on macOS). > From: Elwood Downey <[email protected]> > Date: May 5, 2020 at 16:29:47 EDT > To: [email protected] > > > > Hello! > > ssh -X and ssh -Y both failing: > > from an Apple Air running High Sierra 10.13.6, host air2 > > to iMac running Catalina 10.15.4, host ecd-imac27 > > All worked fine until latest upgrade of Catalina. Both running XQuartz > 2.7.11. Now it fails as follows: > > air2: ssh -X ecd-imac27.local > X11 forwarding request failed on channel 0 > Last login: Tue Apr 28 16:20:02 2020 from fe80::873:528c:d42b:c768%en1 > ecd-imac27: > > Note I can still create a tunnel connection manually on :1 just fine: > > air2: ssh -R 6001:127.0.0.1:6000 <http://127.0.0.1:6000/> ecd-imac27.local > Last login: Tue Apr 28 16:21:20 2020 from 192.168.7.112 > ecd-imac27: setenv DISPLAY :1 > ecd-imac27: xeyes displays correctly on air2 > > Any idea what happened? > > I've pasted output from "ssh -v" below in case it helps. > > Many thanks, > > Elwood Downey, Tucson AZ
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