On Wed, November 16, 2016 5:07 pm, Larry Martell wrote: > I have a CentOS 7 system and when I login with putty or ssh there is a > long delay before I get the password prompt. First thing I would check is that that system doesn't have unaccessible DNS server listed in: /etc/resolv.conf (another thing, similarly DNS related: if you have caching name server on that box, check if that doesn't cause delay the you see). Valeri > I ran ssh -v and I found > that it gets up to this: > > debug1: ssh_ecdsa_verify: signature correct > debug1: SSH2_MSG_NEWKEYS sent > debug1: expecting SSH2_MSG_NEWKEYS > debug1: SSH2_MSG_NEWKEYS received > debug1: SSH2_MSG_SERVICE_REQUEST sent > debug1: SSH2_MSG_SERVICE_ACCEPT received > > and then it sits there for 1-2 minutes and then this output blasts out: > > debug1: Authentications that can continue: > publickey,gssapi-keyex,gssapi-with-mic,password > debug1: Next authentication method: gssapi-keyex > debug1: No valid Key exchange context > debug1: Next authentication method: gssapi-with-mic > debug1: Unspecified GSS failure. Minor code may provide more information > No Kerberos credentials available > debug1: Unspecified GSS failure. Minor code may provide more information > No Kerberos credentials available > debug1: Unspecified GSS failure. Minor code may provide more information > debug1: Unspecified GSS failure. Minor code may provide more information > No Kerberos credentials available > debug1: Next authentication method: publickey > debug1: Trying private key: /home/motor/.ssh/id_rsa > debug1: Trying private key: /home/motor/.ssh/id_dsa > debug1: Trying private key: /home/motor/.ssh/id_ecdsa > debug1: Trying private key: /home/motor/.ssh/id_ed25519 > debug1: Next authentication method: password > > And then the password prompt comes out. This happens no matter which > user is logging in. It only happens on the 1 system. I have 5 others > where the proceeds without the delay. > > There are no disk or memory or any other errors in the logs. > > > What could be causing it to delay like this? > _______________________________________________ > CentOS mailing list > CentOS at centos.org > https://lists.centos.org/mailman/listinfo/centos > ++++++++++++++++++++++++++++++++++++++++ Valeri Galtsev Sr System Administrator Department of Astronomy and Astrophysics Kavli Institute for Cosmological Physics University of Chicago Phone: 773-702-4247 ++++++++++++++++++++++++++++++++++++++++