Timeline for Issue with SSH Client Alive Interval in sshd_config
Current License: CC BY-SA 4.0
13 events
| when toggle format | what | by | license | comment | |
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| Oct 24 at 13:15 | comment | added | n0099 | Related: serverfault.com/questions/1162826/… | |
| Nov 19, 2024 at 18:51 | history | edited | Kamil Maciorowski | CC BY-SA 4.0 |
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| Nov 19, 2024 at 18:32 | history | edited | Kamil Maciorowski | CC BY-SA 4.0 |
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| Jan 24, 2024 at 6:59 | comment | added | Kamil Maciorowski |
@karkator Maybe StopIdleSessionSec= in /etc/systemd/logind.conf (already mentioned). For now I cannot think of anything else that wouldn't be a foggy idea of an unreliable contraption built with questionable hacks. I will think about it but I cannot promise anything. Anyway, ClientAlive* you asked about are not for this, regardless of the version of sshd.
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| Jan 24, 2024 at 6:35 | comment | added | karkator | any other ways / workaround we can achieve this ? | |
| Jan 24, 2024 at 5:00 | comment | added | Kamil Maciorowski |
@karkator Sigh… You are using OpenSSH_7.2p2. My answer clearly states the relevant options are "relatively new inventions (OpenSSH 9.2, 2023-02-02)". You need 9.2 or later, you have 7.2. Your sshd does not know these options at all. This is why you got Bad configuration option for each.
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| Jan 24, 2024 at 2:07 | comment | added | karkator |
I have also given output for sshd -T && echo OK in the question , please review it !
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| Jan 24, 2024 at 1:45 | comment | added | karkator |
if i give ssh -v on linux to establish a ssh connection on the host i am getting debug1: Local version string SSH-2.0-OpenSSH_7.2p2 Ubuntu-4ubuntu2.10 ssh_exchange_identification: read: Connection reset by peer and output for sshd -T && echo OK is /etc/ssh/sshd_config: line 119: Bad configuration option: ChannelTimeout /etc/ssh/sshd_config: line 120: Bad configuration option: UnusedConnectionTimeout /etc/ssh/sshd_config: terminating, 2 bad configuration options
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| Jan 23, 2024 at 10:57 | comment | added | Kamil Maciorowski |
@karkator On the server, does sudo sshd -T && echo OK print OK at the end? If not, what exactly does it print?
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| Jan 23, 2024 at 9:09 | comment | added | karkator |
Thanks for the quick reply , but when we include ChannelTimeout *=1m UnusedConnectionTimeout 1m The ssh simply refuses our connection by giving ssh_exchange_identification: Connection closed by remote host
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| Jan 22, 2024 at 16:43 | history | edited | Kamil Maciorowski | CC BY-SA 4.0 |
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| Jan 22, 2024 at 16:30 | history | edited | Kamil Maciorowski | CC BY-SA 4.0 |
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| Jan 22, 2024 at 16:19 | history | answered | Kamil Maciorowski | CC BY-SA 4.0 |