On Mon, 2018-02-12 at 20:13 -0500, H wrote: > On 02/12/2018 07:24 PM, Liam O'Toole wrote: > > On 2018-02-12, H <agents@xxxxxxxxxxxxxx> wrote: > > > Running CentOS 7 on workstation and having a problem with ssh > > > disconnects. My ssh_config contains: > > > > > > Host * > > > TCPKeepAlive yes > > > ServerAliveInterval 30 > > > ServerAliveCountMax 300 > > > > > > and sshd_config on the server contains: > > > > > > TCPKeepAlive yes > > > ClientAliveInterval 60 > > > ClientAliveCountMax 300 > > > > > > Have I missed any setting needed to prevent these random > > > disconnects? > > > I don't think there is anything wrong with the network card, the > > > driver, or the cable, since if I am on a VPN connection via > > > another > > > server, the VPN and any ssh connection stay up indefinitely. > > > > > > Thanks. > > > > Another poster has provided some possible reasons for the > > disconnections. Whatever the cause, autossh (from the epel repo) is > > a > > good workaround. > > > > Not that this happens while I do large scp file transfers that may > take more than half an hour, simply restarting an ssh session is not > going to help since I will lose the file transfer. > I don't know if this would help but I had a similar issue and it turned out that there was a custom script in /etc/profile.d/ that contain TMOUT 900. You can also check in /etc/profile, usually, the security logs has something about the disconnects, of you can use wireshark or a similar tool to capture and analyse the packets. -- Earl Ramirez <earlaramirez@xxxxxxxxx>
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