My last message was in error. The problem report I sent was after
spending a while trying to figure out what was wrong, and in the
process changed the system configuration. While trying to figure out
the problem, I seemed to have figured out what's failing. Here's the
observed problem:

I go to work. I ssh to my home server to check email. No problem. A
few hours later, I try to ssh again, but it fails with the error
mesage:

ssh_exchange_identification: Connection closed by remote host

I then ssh over to another server and then ssh to my my home server -
this works fine (see, I'm sending email now.)

After playing around with killing/restarting sshd processes, I filed
the erroneous report ealier about refused connections. It ends up that
I sent that report while sshd wasn't running (except for the current
session.)

I reconfigured sshd to have verbose logging, and tried to connect. The
log comes back with the folowing error:

Oct 30 13:09:30 garrison sshd[17223]: warning: /etc/hosts.deny, line 15: can't 
verify hostname: gethostbyname(ATHM-216-216-xxx-203.home.net) failed
Oct 30 13:09:30 garrison sshd[17223]: refused connect from 216.216.10.203

So, it seems that between this morning and this afternoon, my server
can no longer verify my host. I have two qeutions.

1. How could this have happened? Something with home.net?
2. How can I securely fix hosts.deny so that it doesn't deny me?

thanks

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