Am 30.07.2014 21:25, schrieb Vladimir Kudrya: > Package: network-manager > Version: 0.9.10.0-1 > Severity: important > > Dear Maintainer, I recently discovered that restarting NetworkManager on my > home > server results in sshd daemon entering failed state. This happens because > restart command is issued to ssh daemon on every found connection which > overwhelmes systemd start rate limit for sshd.service and shuts it down, > silently cutting off any further attempt of remote connection to the server > (hence the 'important' severity of the bug report). > > I have 4 connections on the server (3 of them handled by NM). NM issues > restart to sshd 6 times in one second. As a workaround I will tweak > StartLimitBurst= for sshd.service unit, but I believe the problem lies with > the > NM which triggers rapid repetitive restart. >
The restart seems to be triggered by /etc/network/if-up.d/openssh-server via /etc/NetworkManager/dispatcher.d/01ifupdown. Might be that those connections you have configured have IPv4 and IPv6 enabled, so you get separate events: 2 * 3 connections => 6 restarts. Why do you think this is a bug in NetworkManager and what is the package supposed to do about that? I see the restart was added because of [1], so bringing Colin into the loop here. Afaics you would have the exact same problem if you say have 6 connections configured in /etc/network/interfaces and you run service networking restart. Michael [1] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=502444 -- Why is it that all of the instruments seeking intelligent life in the universe are pointed away from Earth?
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