I just noticed the problem as well. There is about 5 seconds delay when ssh to a local server. After changing "GSSAPIAuthentication yes" to "GSSAPIAuthentication no" in /etc/ssh/ssh_config, ssh login is almost instantaneous.
[EMAIL PROTECTED]:~$ ssh -v panda OpenSSH_4.3p2 Debian-8ubuntu1, OpenSSL 0.9.8c 05 Sep 2006 debug1: Reading configuration data /home/wenzhuo/.ssh/config debug1: Reading configuration data /etc/ssh/ssh_config debug1: Applying options for * debug1: Connecting to panda [172.16.10.1] port 22. debug1: Connection established. debug1: identity file /home/wenzhuo/.ssh/identity type -1 debug1: identity file /home/wenzhuo/.ssh/id_rsa type -1 debug1: identity file /home/wenzhuo/.ssh/id_dsa type 2 debug1: Remote protocol version 2.0, remote software version OpenSSH_4.2p1 Debian-7ubuntu3.1 debug1: match: OpenSSH_4.2p1 Debian-7ubuntu3.1 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_4.3p2 Debian-8ubuntu1 debug1: An invalid name was supplied Configuration file does not specify default realm debug1: An invalid name was supplied A parameter was malformed Validation error debug1: An invalid name was supplied Configuration file does not specify default realm debug1: An invalid name was supplied A parameter was malformed Validation error debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: kex: server->client aes128-cbc hmac-md5 none debug1: kex: client->server aes128-cbc hmac-md5 none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP debug1: SSH2_MSG_KEX_DH_GEX_INIT sent debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY debug1: Host 'panda' is known and matches the RSA host key. debug1: Found key in /home/wenzhuo/.ssh/known_hosts:104 debug1: ssh_rsa_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 debug1: Authentications that can continue: publickey,password debug1: Next authentication method: publickey debug1: Offering public key: /home/wenzhuo/.ssh/id_dsa debug1: Server accepts key: pkalg ssh-dss blen 433 debug1: Authentication succeeded (publickey). debug1: channel 0: new [client-session] debug1: Entering interactive session. debug1: Sending environment. debug1: Sending env LANG = en_US.UTF-8 Linux panda 2.6.15-28-686 #1 SMP PREEMPT Thu Feb 1 16:14:07 UTC 2007 i686 GNU/Linux The programs included with the Ubuntu system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Ubuntu comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. Last login: Mon Apr 2 13:30:48 2007 from 172.16.10.32 -- ssh and delay https://bugs.launchpad.net/bugs/96472 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
