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Hi Still haven't cracked the problem. if you ssh from another linux machine using root you get the following "RTNETLINK answers: Network is unreachable " message. and at this point the default gateway disappears. The only change that i am aware of is we changed our network ip's, these are static. If you VNC to the machine and open a root terminal you don't get the problem. The ssh scripts are as default and have compaired against another machine. Regards Sam ----- Original Message ----- From: "Simon Waters" <simon@xxxxxxxxxxxxxx> To: <list@xxxxxxxxxxxxx> Sent: Tuesday, January 27, 2009 2:04 PM Subject: Re: [LUG] Default gateway disappears when a root SSH putty connection is used? > Sam Grabham wrote: >> Hi >> >> I have a strange problem i am currrenly looking at, when a root user >> connects via a windoze/putty connection, the default gateway is removed. >> If >> you connect with another user the gateway remains. > > Probably only root user has permission to delete the default route, so > the deletion fails with other users? > >> Have looked at the files in the /root folder, profiles etc. Started to >> look >> into the sysctl file and /etc/ssh etc. >> >> Does any one know of a url that explains a step by step on scripts called >> when ssh console opened? > > SSH is complex. My best guess would be a "tun" device, and the Windows > client set to use (or ask for) some sort of tunneling protocol. If you > had a VPN or PPP link configured on the box in the past it might hit the > same name and call the interface up/down scripts. > > Might be easier to try it as a non-root user and look for the "failed to > change route" statement - possibly some sort of IOCTL error. > > Please try not to hijack threads -- this isn't anything to do with SVN. > > -- > The Mailing List for the Devon & Cornwall LUG > http://mailman.dclug.org.uk/listinfo/list > FAQ: http://www.dcglug.org.uk/linux_adm/list-faq.html -------------------------------------------------------------------------------- No virus found in this incoming message. Checked by AVG - http://www.avg.com Version: 8.0.176 / Virus Database: 270.10.15/1924 - Release Date: 1/29/2009 5:57 PM -- The Mailing List for the Devon & Cornwall LUG http://mailman.dclug.org.uk/listinfo/list FAQ: http://www.dcglug.org.uk/linux_adm/list-faq.html