On Tue, 20 Aug 2019, Jakub Jelen wrote: > On Tue, 2019-08-20 at 16:00 +0900, Hong Cho wrote: > > Thank you for the reply. > > > > I changed the remote command to a generic example because in our > > case, we > > are using an internal binary that I didn't want to make public. I > > thought > > it wouldn't matter, but apparently, it does. I am sorry I can't share > > more > > about this tool. > > > > BTW, our environment is based on FreeBSD, not on Linux. In our case, > > because "isatty" is set to 0, it never closes. > > It never closes, because the `tail -f` never exists and never closes > the stdout and stderr that are connected to ssh channels. > > Yes, this is a difference from the previous openssh versions, but I > think this is a correct behavior. Previously, the ssh ran the command > in background and closed its IO. AFAIK that's not the case - the behaviour change only affects programs that output to stderr. OpenSSH 7.2 doesn't exit "tail -f &" either, because it doesn't write anything to stderr. -d _______________________________________________ openssh-unix-dev mailing list openssh-unix-dev@xxxxxxxxxxx https://lists.mindrot.org/mailman/listinfo/openssh-unix-dev
