Update README.md

README.md

@@ -3,14 +3,31 @@ tmpufw
 
 Temporarily apply `ufw` rules
 
+Read more about the process and why there’s a Python and `bash` version:
+http://joshtronic.com/2013/10/28/temporary-ufw-rules-or-how-i-learned-to-stop-scripting-and-love-the-shell/
+
+## tmpufw.py
+
 This script allows you to add rules to `ufw` (Uncomplicated Firewall) with a
 time to live. You can then run the script as a cronjob (with the --clean flag)
 to clean up (remove) the expired rules.
 
-## Arguments
+### Arguments
     -h, --help                       show the help message and exit
     -s, --status                     show rule list with expirations
     -c, --clean                      clean up expired rules
     -r RULE, --rule RULE             rule to be added to `ufw`
     -p POSITION, --position POSITION position to add the rule
     -t TTL, --ttl TTL                time to live for the rule
+
+### Usage
+    ./tmpufw.py --rule="deny from 1.2.3.4"
+    ./tmpufw.py --clean
+
+## tmpufw.sh
+
+A `bash` rewrite leveraging the `at` command.
+
+### Usage
+    ./tmpufw.sh [rule]
+    ./tmpufw.sh deny from 1.2.3.4