search for: snone

...ReportedBy: bugzilla.mindrot.org at pobox.madduck.net While openssh-client seems to properly switch between the lowdelay/throughput QoS classes depending on whether the session is interactive or not, the new IPQoS option seems to have absolutely no effect: % ssh -vvvo 'IPQoS ef' -4 -Snone vera 2>&1 >/dev/null | egrep tos || echo no match debug3: packet_set_tos: set IP_TOS 0x10 ^D % ssh -vvvo 'IPQoS ef' -4 -Snone vera true 2>&1 >/dev/null | egrep tos || echo no match debug3: packet_set_tos: set IP_TOS 0x08 In both cases, the TOS value should be 0x...

...fortunately I cannot tell you precisely what broke. Looking at the binary I can see that the relevant log message is contained, so the relevant code is still present in the binary. Curiously, exactly the opposite behaviour exists for AF_INET6: With 1:5.8p1-7: % ssh -vvvo 'IPQoS ef' -6 -Snone vera true 2>&1 >/dev/null | egrep tos || echo no match no match With 1:5.9p1-2: % ssh -vvvo 'IPQoS ef' -6 -Snone vera true 2>&1 >/dev/null | egrep tos || echo no match debug3: packet_set_tos: set IPV6_TCLASS 0x08 -- Configure bugmail: https://bugzilla.mindrot.o...

While it's real handy to have "ControlMaster auto" to have multiple sessions get muxed into one, sometimes it's really helpful to _not_ use the same session (e.g. if you want to ssh -2fNR). It'd be quite nice if there were a flag to tell openssh to not mux the new connection at all - i.e. what "ssh -o ControlPath=none" does. (The 'obvious' invocation `ssh