[Bug 3318] Read-only mode broken by limits at openssh.com extension

bugzilla-daemon at mindrot.org bugzilla-daemon at mindrot.org
Sun Jun 6 16:50:15 AEST 2021


--- Comment #4 from Hector Martin <marcan at marcan.st> ---
Argh, you're right. What happened is the server is 8.5p1. I was very
confused, because limits was mentioned in the release notes fir 8.6. It
seems this is a mistake in the release notes; the feature was already
in the server in 8.5p1, just buggier. 8.5p1 does *not* do the check
before advertising extensions, it just unconditionally advertises them
all, hence the problem.

The 8.6p1 client's new support then made this visible, and I confused
myself with the release notes (and I thought I had upgraded the server
already), since why would a non-8.6 server advertise a feature that the
release notes claim was introduced in 8.6? :-)

Indeed the issue does not happen with 8.6 -> 8.6, just 8.6 -> 8.5.

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