add minimal docs, license

sshbruted.rb

@@ -1,5 +1,51 @@
 #!/usr/bin/env ruby
 
+# Copyright (c) 2006, Stephen Waits <steve@waits.net>
+# All rights reserved.
+# 
+# Redistribution and use in source and binary forms, with or 
+# without modification, are permitted provided that the following 
+# conditions are met:
+# 
+# Redistributions of source code must retain the above copyright 
+# notice, this list of conditions and the following disclaimer.
+# 
+# Redistributions in binary form must reproduce the above copyright 
+# notice, this list of conditions and the following disclaimer in 
+# the documentation and/or other materials provided with the 
+# distribution.
+# 
+# Neither the name of the Waits Consulting, Inc. nor the names of 
+# its contributors may be used to endorse or promote products 
+# derived from this software without specific prior written 
+# permission.
+# 
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 
+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 
+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
+# POSSIBILITY OF SUCH DAMAGE.
+
+#
+# Script to blacklist idiots brute forcing sshd.
+#
+# By: Stephen Waits <steve@waits.net>
+#
+# 1. Build sshd with TCP Wrapper support.
+#
+# 2. Add a line like "ALL : /etc/hosts.blacklist : deny" 
+#    to your /etc/hosts.allow
+# 
+# 3. Run this script with appropriate rights
+#    
+
 require 'time'
 require 'thread'