[BLU] ssh delays

[david at thekramers.net (David Kramer)]

On Fri, 21 Sep 2001, John Chambers wrote:

> Well, digging around in TFM and assorted archives turned up
> nothing, so I thought I'd ask the experts:
>
> Starting a few weeks ago, ssh from my home machine  started
> showing  a  1-  to  2-minute  delay  before  asking  for  a
> password.  It's obvious that "something has changed", but I
> haven't found any clues as to what.
>
> It's not a DNS delay, because I can ask nslookup about  the
> host,  and  it replies instantly.  Ping and traceroute also
> respond in under a second.
>
> When I use ssh from outside to get to the  machine,  it  is
> also instantaneous. Only outgoing ssh has this delay. There
> are no messages of any sort added to any log  file  that  I
> can  find.   I've run ssh with -v, and here's an example of
> what it says:

The only thing that comes to mind is I think SSH can be configured to do
reverse DNS lookup in addition to the forward DNS lookup, and maybe
there's a problem there.

> --
> Notice: This message is copyright by the sender, and was doubly encrypted by
> applying  the  Rot13 encryption algorithm twice.  Unauthorized decryption of
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
I like it!  Of course it takes a real geek to get the joke, but this is a
good list for that.

-------------------------------------------------------------------
DDDD   David Kramer                           http://thekramers.net
DK KD
DKK D  "I went on a diet, swore off drinking and heavy eating, and
DK KD  in fourteen days I had lost exactly two weeks."
DDDD                                                  -Joe E. Lewis

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