2007-12-24

Ubuntu 7.10 SSH登录超级慢的解决办法

关键字: ubuntu linux ssh
编辑 /etc/ssh/ssh_config 文件，将
GSSAPIAuthentication yes
改成
GSSAPIAuthentication no
即可。

原因：
The default ssh_config file comes with GSSAPIAuthentication set
to "yes".  This causes a DNS query in an attempt to resolve
_kerberos.<hostname> whenever ssh is invoked.  During periods when
connectivity to the outside world is interrupted for whatever reason,
the ssh session won't proceed until the DNS query times out.  Not really
a problem, just more of an annoyance when trying to ssh to another
machine on the LAN.
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