OpenSSH: www.openssh.org [1]
OpenSSH Mailing Lists: openssh.org/list.html [2]
Debian Mailing Lists: www.debian.org/MailingLists/subscribe [3]
Red Hat/Fedora Mailing Lists: www.redhat.com/mailman/listinfo [4]
SUSE Mailing Lists: www.suse.com/us/private/support/online_help/mailinglists/index.html [5]
SecurityFocus SSH Mailing list: www.securityfocus.com/archive/121 [6]
John The Ripper: www.openwall.com/john [7]
Nessus Vulnerability Scanner: www.nessus.org [8]
Links:
[1] http://www.openssh.org
[2] http://openssh.org/list.html
[3] http://www.debian.org/MailingLists/subscribe
[4] http://www.redhat.com/mailman/listinfo
[5] http://www.suse.com/us/private/support/online_help/mailinglists/index.html
[6] http://www.securityfocus.com/archive/121
[7] http://www.openwall.com/john
[8] http://www.nessus.org