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iptables -A INPUT -j LOGNDROP
iptables -A LOGNDROP -p tcp -m limit --limit 5/min -j LOG --log-prefix "Denied TCP: " --log-level 7
iptables -A LOGNDROP -p udp -m limit --limit 5/min -j LOG --log-prefix "Denied UDP: " --log-level 7
iptables -A LOGNDROP -p icmp -m limit --limit 5/min -j LOG --log-prefix "Denied ICMP: " --log-level 7
iptables -A LOGNDROP -m limit --limit 5/min -j LOG --log-prefix "Denied OTHTYPE: " --log-level 7
iptables -A LOGNDROP -j DROP
$ wget -S --spider localhost/echo.php
Spider mode enabled. Check if remote file exists.
--2011-11-20 23:25:29-- http://localhost/echo.php
Resolving localhost... ::1, 127.0.0.1
Connecting to localhost|::1|:80... connected.
HTTP request sent, awaiting response...
HTTP/1.1 200 OK
Date: Sun, 20 Nov 2011 19:25:29 GMT
Server: Apache/2.2.16 (Ubuntu)
X-Powered-By: PHP/5.3.3-1ubuntu9.6
:~$ gem env
RubyGems Environment:
- RUBYGEMS VERSION: 1.8.10
- RUBY VERSION: 1.9.3 (2011-10-30 patchlevel 0) [x86_64-linux]
- INSTALLATION DIRECTORY: /usr/local/rvm/gems/ruby-1.9.3-p0
- RUBY EXECUTABLE: /usr/local/rvm/rubies/ruby-1.9.3-p0/bin/ruby
- EXECUTABLE DIRECTORY: /usr/local/rvm/gems/ruby-1.9.3-p0/bin
- RUBYGEMS PLATFORMS:
- ruby
- x86_64-linux
~$ irb
ruby-1.9.3-p0 :001 > require 'rubygems'
=> false
ruby-1.9.3-p0 :002 > require 'active_record'
LoadError: cannot load such file -- active_record
from /usr/local/rvm/rubies/ruby-1.9.3-p0/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from /usr/local/rvm/rubies/ruby-1.9.3-p0/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from (irb):2
from /usr/local/rvm/rubies/ruby-1.9.3-p0/bin/irb:16:in `<main>'
ruby-1.9.3-p0 :003 > require 'active_support'