how-to configure openssh

Darren Tucker dtucker at
Tue Jun 3 21:43:34 EST 2003

Keow Yeong Huat Joseph wrote:
> I have open all services on the firewall to make sure it can go thru. I hit this messages as:
> debug: Connection established.
> ssh_exchange_identification: Connection closed by remote host
> debug: Calling cleanup 0x805db00(0x0)

This is charateristic of a connection being dropped by tcpwrappers.  Check
wherever ssh is logging to (possibly /var/log/authlog) and try adding
"sshd:" to /etc/hosts.allow (or wherever your tcpwrappers is
compiled to look).

Oh, and consider upgrading the the sshd, it's pretty old and possibly

Darren Tucker (dtucker at
GPG key 8FF4FA69 / D9A3 86E9 7EEE AF4B B2D4  37C9 C982 80C7 8FF4 FA69
    Good judgement comes with experience. Unfortunately, the experience
usually comes from bad judgement.

More information about the openssh-unix-dev mailing list