Here are a few suggestions to reduce spambot activity.
1. add a honeypot. http://www.projecthoneypot.org/
2. add a bot-trap. http://danielwebb.us/software/bot-trap/
3. plug this baby into your .htaccess file.
# FILTER REQUEST METHODS
RewriteCond %{REQUEST_METHOD} ^(TRACE|TRACK|PROPFIND|OPTIONS) [NC]
RewriteRule ^(.*)$ - [F,L]
# BLACKLIST - as of July 27th, 2011
<Limit GET POST PUT>
Order Allow,Deny
Allow from all
Deny from 1.55.5. 1.55.6.
Deny from 2.55.80. 2.55.81. 2.55.82.
Deny from 2.89.212.
Deny from 12.5.23.226
Deny from 31.184.238. "#spammer server
Deny from 38.96.198.163
Deny from 38.101.148.126 "#discobot
Deny from 38.100.21.16 "#probably discobot
Deny from 38.111.147.83 "#turnitin
# Exploited - shared, VPS and dedicated web servers, listed by the entire CIDR assigned to each hosting company.
deny from 24.172.171.18 38.100.22.104/29 38.100.22.112/28 38.100.22.128/26 46.4.89.32/27 62.21.96.0/22 62.75.202.0/24 62.141.48.0/20 62.141.56.0/21 64.15.138.160/27 64.15.156.64/27 64.20.32.0/19 64.22.64.0/18 64.27.0.0/19 64.34.176.0/20 64.38.0.0/18 64.62.181.32/27 64.91.224.0/19 64.92.199.0/24 64.92.200.0/24 64.118.80.0/20 64.120.4.0/22 64.182.0.0/16 64.185.224.0/20 64.191.0.0/17 65.23.153.0/24 65.23.154.0/24 65.36.128.0/17 65.98.0.0/17 65.99.201.0/25 65.167.19.30 65.182.188.0/22 66.7.192.0/19 66.35.39.128/25 66.38.130.192/26 66.49.128.0/17 66.79.160.0/19 66.90.64.0/18 66.116.125.0/24 66.148.64.0/18 66.154.0.0/18 66.154.64.0/19 66.160.144.128/25 66.160.186.0/24 66.186.36.195 66.197.128.0/17 66.199.224.0/19 66.225.212.0/22 66.232.96.0/19 66.232.136.0/21 66.235.160.0/19 66.235.192.0/19 67.131.248.0/24 67.159.0.0/18 67.205.69.32/27 67.228.0.0/16 69.13.0.0/16 69.16.192.0/18 69.31.40.0/21 69.31.80.0/21 69.31.128.0/20 69.50.160.0/19 69.60.111.0/24 69.64.64.0/20 69.65.0.0/18 69.65.20.0/22 69.73.128.0/18 69.93.241.192/27 69.175.0.0/18 70.38.0.0/17 70.87.208.34 72.9.224.0/19 72.18.150.0/23 72.21.32.0/19 72.22.64.0/19 72.29.64.0/19 72.32.0.0/16 72.36.128.0/17 72.36.168.152/29 72.51.32.0/20 72.52.116.40/29 72.52.128.0/17 72.55.128.0/18 72.232.0.0/16 72.233.0.0/17 72.249.32.0/23 74.50.0.0/20 74.50.96.0/19 74.63.64.0/18 74.86.0.0/16 74.124.192.0/24 74.200.192.0/18 74.208.15.0/24 74.208.16.0/24 74.208.64.0/19 76.74.173.0/24 77.92.88.0/23 77.130.0.0/16 77.232.64.0/19 77.240.113.128/26 78.46.0.0/15 78.129.208.0/24 79.32.0.0/15 79.135.160.0/19 79.142.64.0/20 79.175.165.0/24 80.67.25.0/24 80.67.27.0/24 80.69.92.0/25 80.82.208.0/20 80.86.80.0/20 80.92.64.0/19 80.237.128.0/17 80.249.173.0/24 81.3.32.0/19 81.19.183.0/27 81.29.70.0/24 81.169.144.0/20 82.61.0.0/16 82.98.128.0/18 82.99.30.0/25 82.165.0.0/16 82.195.238.104/30 82.208.60.0/22 83.65.62.0/24 83.98.209.0/24 83.103.64.0/18 83.149.64.0/18 83.170.82.0/23 83.170.84.0/22 83.233.30.0/24 83.233.165.0/24 83.243.80.0/21 84.19.176.0/20 85.8.128.0/18 85.10.192.0/18 85.17.0.0/16 85.18.0.0/16 85.19.150.0/24 85.25.0.0/16 85.88.0.0/19 85.113.224.0/19 85.114.140.0/22 85.119.152.0/21 85.158.181.0/24 87.106.0.0/16 87.118.64.0/18 87.118.96.0/19 87.230.0.0/20 87.237.60.64/27 87.253.128.0/19 87.253.176.0/21 88.84.128.0/19 88.191.0.0/16 88.198.16.0/20 88.198.32.0/19 88.208.238.0/24 89.138.0.0/16 89.149.192.0/18 89.163.128.0/17 89.202.128.0/17 89.238.75.0/24 89.238.76.0/24 89.245.192.0/18 89.248.168.0/24 89.248.172.0/23 91.121.0.0/16 91.186.0.0/19 91.192.116.0/22 91.205.96.0/22 91.214.44.0/22 92.43.200.0/21 92.48.64.0/18 92.48.65.0/24 92.48.112.64/26 92.243.8.0/21 93.174.88.0/21 93.190.139.0/24 94.23.0.0/16 94.75.192.0/18 94.76.206.2/31 94.100.16.0/20 94.102.48.0/20 94.198.96.0/24 94.228.209.128/25 95.110.224.0/21 95.143.192.0/24 95.154.192.0/18 95.211.0.0/16 96.31.64.0/19 109.230.208.0/20 109.230.240.0/20 123.242.229.0/24 151.1.0.0/16 173.208.0.0/17 173.234.0.0/16 174.34.144.0/23 174.36.60.221 174.37.61.64/27 174.127.132.128/26 178.32.40.0/21 178.77.64.0/18 178.239.48.0/20 184.107.0.0/16 188.40.0.0/16 188.92.72.0/21 188.138.56.0/22 193.164.132.0/23 193.192.58.0/23 193.200.193.0/24 193.238.228.0/22 193.254.184.0/24 194.8.74.0/23 194.116.186.0/23 195.35.82.0/23 195.42.102.0/23 195.56.55.0/28 195.56.189.32/28 195.225.176.0/22 195.234.171.0/24 195.242.98.0/23 200.63.40.0/22 204.13.64.0/21 205.177.79.0/24 205.234.96.0/20 205.234.128.0/17 206.51.224.0/20 206.188.0.0/26 206.190.65.128/25 206.225.0.0/19 207.58.128.0/18 207.150.188.0/24 207.234.128.0/17 208.43.0.0/16 208.53.128.0/18 208.66.68.0/22 208.66.194.160/28 208.71.128.0/22 208.72.159.68 208.99.192.0/19 208.100.0.0/18 208.101.0.0/18 208.109.0.0/16 208.112.107.20 208.184.65.0/24 209.2.34.112/28 209.9.240.0/21 209.25.128.0/17 209.34.196.64/26 209.40.192.0/20 209.41.160.0/19 209.51.128.0/19 209.59.167.50/31 209.66.122.0/24 209.85.0.0/17 209.97.192.0/19 209.126.128.0/17 209.160.0.0/18 209.160.64.0/20 209.163.169.0/24 209.172.32.0/19 209.200.0.0/18 209.205.0.0/18 212.34.128.0/19 212.241.176.0/23 212.241.182.240 213.5.64.0/21 213.19.146.0/24 213.165.64.0/19 213.180.64.0/19 213.186.32.0/19 213.194.149.0/24 213.225.101.128/27 213.251.128.0/18 213.251.184.0/22 216.17.96.0/20 216.32.64.0/19 216.67.244.0/24 216.93.160.0/19 216.104.37.120/29 216.120.224.0/19 216.180.224.0/19 216.182.224.0/20 216.185.128.0/24 216.242.44.96 216.245.192.0/20 216.255.176.0/20 217.20.208.0/20 217.70.128.0/22 217.70.132.0/23 217.148.93.128/26 217.169.46.96/28 217.172.160.0/19 217.197.152.0/24
# A server attempting to POST blog spam trackbacks and running a rotating redirection script
deny from 66.79.163.187
# Removed Schlund US, including SIM.ORG from the exploited servers list on Jan 20, 2009
allow from 82.165.128.0/17
# Technorail.com-aruba.it - hosting iframe SQL injection compromised Italian websites
deny from 62.149.128.0/17
# Interbusiness.it and Telecom Italia Net. Content Scrapers and scammers use these CIDRs
deny from 79.15.0.0/16 79.22.0.0/15 79.29.0.0/16 80.117.0.0/16 80.180.0.0/16 82.184.0.0/16 82.185.0.0/16 85.39.0.0/16 87.8.0.0/15 87.28.0.0/15 94.82.0.0/15 95.234.0.0/15
# Proxy servers and services and hosting companies with proxy server clients, listed by the full CIDR of the hosting company.
deny from 61.206.125.0/24 62.171.194.0/23 75.126.0.0/16 80.33.0.0/16 80.58.0.0/16 81.12.0.0/17 83.16.154.152/29 85.10.219.104/29 85.92.130.0/24 85.185.0.0/16 88.198.241.104/29 88.198.252.144/29 145.253.239.8/29 150.188.0.0/15 193.164.131.0/24 194.112.195.202 198.145.112.128/25 198.145.182.0/26 200.30.64.0/20 200.43.108.0/24 200.75.128.0/20 200.126.112.0/20 200.172.222.0/26 200.202.192.0/18 200.210.0.0/16 203.160.0.0/23 207.44.128.0/17 207.210.192.0/18 208.110.68.144/29 216.104.32.0/20
# Individual Proxy Server IPs
deny from 64.20.205.251 64.202.161.130 66.6.122.130 66.36.230.163 66.37.153.74 66.63.167.166 66.79.162.102 66.212.18.89 66.232.107.140 69.50.208.74 69.94.124.137 72.55.146.175 72.167.115.164 74.115.6.56 74.208.16.108 75.175.243.195 76.76.15.73 77.235.40.189 85.92.130.117 88.198.5.220 88.214.192.24 91.186.21.78 141.76.45.34 206.221.184.108 208.100.20.148 209.139.208.236
# ThePlanet.com and Everyones Internet; home of many spammers, hackers and trojan horses. I will unblock these CIDRs when Hell freezes over!
deny from 64.5.32.0/19 64.246.0.0/18 66.98.128.0/17 67.15.0.0/16 67.18.0.0/15 69.93.0.0/16 70.84.0.0/14 74.52.0.0/14 75.125.0.0/16 174.120.0.0/14 174.132.0.0/15 207.44.128.0/17 209.62.0.0/17 216.127.64.0/19
# Rackspace - Hackers, spammers, scammers and phishers
deny from 67.192.0.0/16 69.20.0.0/17 72.3.128.0/17 72.32.0.0/16 74.205.0.0/17
# Performance Systems International (PSI) (Spies) and CYVEILLANCE, cyberspy
deny from 38.100.41.64/26 38.105.71.114 38.100.41.64/26 38.112.21.0/24 38.118.42.32/29 38.118.42.0/24 63.100.163.0/24 63.148.99.0/24 65.118.41.0/24 65.222.176.0/24 65.222.185.0/24 65.192.0.0/11
deny from 68.48.24.0/24 151.173.221.0/24 207.87.178.0/24 216.32.64.0/24
#end CYVEILLANCE
Deny from 41.78.17.
Deny from 41.137.63.
Deny from 41.182.19. 41.182.20. 41.182.21.
Deny from 41.208.14.4
Deny from 41.221.100. 41.221.101.
Deny from 41.234.245.
Deny from 46.109. "#spammers
Deny from 50.30.32.0/20 "#Hosting Solutions
Deny from 58.61.164.
Deny from 58.221. "#Chinese spammer horde
Deny from 58.246.200.114
Deny from 58.248.216.
Deny from 60.171.36. 60.171.37. 60.171.38. 60.171.39.
Deny from 60.172.228. 60.172.229. 60.172.230.
Deny from 60.173.10. "#Chinese port scanners, spammers
Deny from 60.177.23. 60.177.24. 60.177.25.
Deny from 61.135.249. "#youdaobot
Deny from 61.136.58. 61.136.59
Deny from 61.138.175.
Deny from 61.152.144.
Deny from 61.152.169.
Deny from 61.191.215. 61.191.216.
Deny from 62.24.252.133 "#TalkTalk virus scan
Deny from 62.82.110.2
Deny from 62.178.217.
Deny from 62.193.13.131
Deny from 63.110.148.113 63.110.148.114 63.110.148.115 63.110.148.116 63.110.148.117 63.110.148.118 63.110.148.119 "#bot
Deny from 63.110.158.48 63.110.158.49 63.110.158.50 63.110.158.51 63.110.158.52 63.110.158.53 63.110.158.54 63.110.158.55 "#bot
Deny from 64.9.157.248
Deny from 64.13.130.66 "#spokespider
Deny from 64.20.35.155
Deny from 64.90.184.117
Deny from 64.233.172.20
Deny from 65.47.180.46
#forex spammer
Deny from 65.75.253.144 65.75.255.130
Deny from 65.120.238.2 "#theshell spammer
Deny from 65.200.47.0 65.200.47.1 65.200.47.2 65.200.47.3 65.200.47.4 65.200.47.5 65.200.47.6 65.200.47.7 "#bot
#port scanners, spammers
Deny from 66.33.234. 66.33.235.
Deny from 66.96.192.225
Deny from 66.172.15.92
Deny from 66.190.56. 66.190.57. "#american spammers
Deny from 66.194.51.142
Deny from 66.199.253. #spammer, port scanner
#NutFlush Promotions
Deny from 66.219.58.24 66.219.58.25 66.219.58.26 66.219.58.27 66.219.58.28 66.219.58.29 66.219.58.30 66.219.58.31 66.219.58.32 66.219.58.33 66.219.58.34 66.219.58.35
Deny from 66.219.58.36 66.219.58.37 66.219.58.38 66.219.58.39
####
Deny from 67.20.57.148
Deny from 67.55.114.61
Deny from 64.71.246.156 24.153.22.142 24.153.22.14 64.71.246.28 "#cpe.net.cable.rogers.com
Deny from 24.153.0.0/19 64.71.240.0/20 "#cpe.net.cable.rogers.com
Deny from 67.129.99.189
Deny from 67.142.129.157
Deny from 69.28.58.20 "#disguised bot
Deny from 69.137.234.33 "#disguised bot, site spammer
Deny from 67.214.159.70 67.214.159.71
Deny from 67.222.132.193 "#Keyword factory
Deny from 67.252.182.113 "#malicious attacker
Deny from 67.252.0.0/15 "#Blocks 252-253, bad neighborhood.
Deny from 66.131.108.38 "#malicious attacker
Deny from 157.160.187.157 "#malicious attacker from Shippensburg University, PA
Deny from 174.130.75.232 "#malicious attacker
Deny from 174.130.75. 174.130.76. 174.130.77. 174.130.78. 174.130.79. "#bad neighborhoods
Deny from 68.10.241.203
Deny from 68.168.131.194
Deny from 68.195.156.190
Deny from 69.162.176.27
Deny from 70.79.247.73 "#tried using WebDAV
Deny from 72.94.249.32/29
#volumedrive scum
Deny from 74.118.192. 74.118.193. 74.118.194.201
Deny from 75.15.118.24
Deny from 75.65.240.191 "#hacked dr3w
Deny from 75.181.132.
Deny from 76.113.0.82
Deny from 77.37.235. 77.37.236.
Deny from 77.43.161. 77.43.162.
Deny from 77.47.193.55
Deny from 77.64.14. 77.64.15.
Deny from 77.79.128. 77.79.129. 77.79.130. 77.79.131. 77.79.132.
Deny from 77.92.224. 77.92.225. 77.92.226. 77.92.227. 77.92.228. 77.92.229. 77.92.230. 77.92.231. 77.92.232. 77.92.233. 77.92.234.
Deny from 77.93.2.81
Deny from 77.93.27.
Deny from 77.121.0.28
Deny from 77.222.56.62
Deny from 77.232.139. 77.232.140. 77.232.141. 77.232.142. 77.232.143. 77.232.144. 77.232.145. 77.232.146. 77.232.147.
Deny from 78.26.179.
Deny from 78.26.187.
Deny from 78.27.131.27
Deny from 78.47.131.107 78.47.131.108 "#Magmahost
Deny from 78.46.124.19
Deny from 78.97.149.154
Deny from 78.100.36.
Deny from 78.162.29. 78.162.30. 78.162.31.
Deny from 78.165.141.
Deny from 78.165.142.
Deny from 78.165.143.
Deny from 79.133.
Deny from 79.135. "#Ukraine spammers
Deny from 79.142.65.161
Deny from 79.142.67.77
Deny from 79.142.67.193
Deny from 79.143.182.232
Deny from 80.83.238. 80.83.239
Deny from 80.232.254.113
Deny from 80.245.86.19
Deny from 80.251.112. 80.251.113. 80.251.114. 80.251.115. 80.251.116. 80.251.117. 80.251.118. 80.251.119. 80.251.120.
Deny from 81.52.143. "#voila
Deny from 81.176.229.143
Deny from 89.28.74. 89.28.75. "#Moldovan spammers
Deny from 89.212.200.113
Deny from 83.10.32.145
Deny from 83.169.17.69
Deny from 84.22.46.
Deny from 84.22.47.
Deny from 84.23.34. "#russian spammer
Deny from 84.228.172.2
Deny from 85.10.204.138
Deny from 85.17.139.138
Deny from 85.64.206.63
Deny from 85.140.50.16
Deny from 85.141.150.233
Deny from 87.110.136.173
Deny from 87.216.177.233
Deny from 87.244.132.208
Deny from 88.131.106.31 "#ignores robots.txt
Deny from 88.131.106.30 "#speedyspider
Deny from 88.247.37. 88.247.38. 88.247.39.
Deny from 89.112.1.157
Deny from 89.122.29. 89.138.124. 89.138.125. 89.138.126. 89.149.254.73
Deny from 89.169. "#russian spammer horde
Deny from 89.189.66.190
#hosted-by.ecatel.net
Deny from 89.248.160.2 89.248.167.3 89.248.162. 89.248.163.67 89.248.154.91 89.248.160. 89.238.128.
Deny from 90.44.221.122 "#malicious
Deny from 90.151.
Deny from 91.121.221.94
Deny from 91.143.57. "#Russian spammer horde
Deny from 91.143.58.
Deny from 91.143.59.
Deny from 91.143.60.
Deny from 91.143.61.
Deny from 91.143.62.
Deny from 91.143.63.
Deny from 91.184.77.150
Deny from 91.192.188.220
Deny from 91.195.136.
Deny from 91.197.207.
Deny from 91.197.222. 91.197.223. 91.201.49. 91.201.50. 91.201.51. 91.201.66. 91.201.67. 91.201.68.
Deny from 91.203.4. "#Ukraine spammers
Deny from 91.204.128.
Deny from 91.205.96.
Deny from 91.206.183.174
Deny from 91.210.104. 91.210.105. 91.210.106. 91.210.107. 91.210.108. 91.210.109.
Deny from 91.212.226
Deny from 91.214.49
Deny from 92.47.
Deny from 92.241.191.
Deny from 93.80. "#horde of russian spammers
Deny from 93.81.172.13
Deny from 93.87.131. 93.87.132. 93.87.133.
Deny from 93.174.93. 93.174.95.
Deny from 93.190.137.116
Deny from 93.190.143.153
Deny from 93.207.116.71
Deny from 94.75.192.0/18
Deny from 94.75.228.132
Deny from 94.102.60.45
Deny from 94.142.128. 94.142.129. 94.142.130. 94.142.131.
Deny from 94.142.133.27
Deny from 94.142.134.
Deny from 94.156.103. 94.156.104.
Deny from 94.178.43. 94.178.44.
Deny from 94.181.153.74
Deny from 94.189.231. 94.189.232. 94.189.233.
Deny from 95.25.
Deny from 95.26.41.166
Deny from 95.28
Deny from 95.66.3. 95.66.4.
Deny from 95.71.97.22
Deny from 95.71.100.160
Deny from 95.79.
Deny from 95.134.54.236
Deny from 95.137.65. 95.137.66
Deny from 95.140.207. 95.140.208.
Deny from 95.143.192.24 95.143.192.25
Deny from 95.168.183.233
Deny from 95.169.184. 95.169.185.
Deny from 95.215.0. 95.215.1.
Deny from 95.211.0.84
Deny from 95.215.36.50
Deny from 96.31.166.228
Deny from 96.233.34.40 96.233.34.41
Deny from 98.114.165.198 "#Webdav hacker
Deny from 98.126.80.147
Deny from 101.78.28.
Deny from 109.67.250.
Deny from 109.86.249. 109.86.250.
Deny from 109.87.196.
Deny from 109.100.95.
Deny from 109.108.70.169
Deny from 109.165.87. 109.165.88.
Deny from 109.170.102.2
Deny from 109.184.61. 109.184.62.
Deny from 109.184.84.62
Deny from 109.194.182. 109.194.183. 109.194.184.
Deny from 109.205.254.39
Deny from 109.230.213.
Deny from 109.230.216.
Deny from 109.230.217.
Deny from 109.230.246.
Deny from 109.236.81.28
Deny from 109.197.253. "#spammers
Deny from 110.77.135. 110.77.136.
Deny from 110.82.131.162
Deny from 110.136.222. 110.136.223. 110.136.224.
Deny from 111.119.166.140
Deny from 111.160.70
Deny from 112.65.135.54
Deny from 113.160.15. 113.160.16.
Deny from 113.162.76.58
Deny from 114.80.93.52
Deny from 114.80.93.71
Deny from 114.108.177.125
Deny from 115.161.181. 115.161.182.
Deny from 117.25.128. 117.25.129. 117.25.130. 117.25.131.
Deny from 117.79.232.
Deny from 117.195.228. 117.195.229. "#Indian spammers, leeches
Deny from 118.68.251. 118.68.252. 118.68.253.
Deny from 119.153.
Deny from 119.155.5. 119.155.6. 119.155.7.
Deny from 119.82.96.
Deny from 121.229.216.
Deny from 123.139.185. 123.139.186. 123.139.187. 123.139.188.
Deny from 123.125.67.243
Deny from 123.161.80.
Deny from 123.190.220.
Deny from 124.73.26.
Deny from 124.114.254.
Deny from 124.115.1.7 124.115.1.8
Deny from 124.89.71. 124.89.72. 124.89.73. 124.89.74. 124.89.75. 124.89.75. 124.89.76. 124.89.77. 124.89.78.
Deny from 124.236.241.
Deny from 125.32.95.
Deny from 128.242.241.133
Deny from 123.139.186. 123.139.187.
Deny from 125.27.64. 125.27.65.
Deny from 125.161.82. 125.161.83.
Deny from 129.228.15.142
Deny from 134.47.109.182 134.47.109.183 134.47.109.184 134.47.109.185 "#Norwegian spammers
Deny from 142.22.16.50 "#Canadian spammer
Deny from 161.58.86.200
Deny from 165.139.22.134
Deny from 173.13.143.78 "#yioop bot
Deny from 173.192.127.75
Deny from 173.192.34.95 "#softlayer
Deny from 173.193.25.227
Deny from 173.212.206.186
Deny from 173.212.253.122
Deny from 173.242.112.0/20 "#Volumedrive scum
Deny from 174.36.0.0/15
Deny from 174.90.78.67 "#hacker scum
Deny from 174.101.155.3 "#hacked dr3w
Deny from 174.101.158.142 "#WebDav hacker
Deny from 174.121.0.133
Deny from 174.122.22.178
Deny from 174.142.0.0/16 "#Canadian iweb, hosts spammers
Deny from 174.143.155.243
Deny from 175.145.88.163 "#bot
Deny from 178.1.96.
Deny from 178.33.146.254
Deny from 178.63.51.216
Deny from 178.71.214.179
Deny from 178.73.204.118
Deny from 178.77.133. 178.77.134. "#spammer horde
Deny from 178.93.
Deny from 178.94.
Deny from 178.123.
Deny from 178.150.51.
Deny from 178.162.168.167
Deny from 178.239.56.150
Deny from 178.239.57.203
Deny from 183.15.130.21
Deny from 183.15.134.252
Deny from 183.16.148. 183.16.149. 183.16.150.
Deny from 184.82.149.186
Deny from 184.106.196.240
Deny from 186.59.38.26
Deny from 187.10.111. 187.10.112. 187.10.113.
Deny from 187.64.68. 187.64.69. 187.64.70. 187.64.71.
Deny from 188.2.198. 188.2.199.
Deny from 188.64.185.59
Deny from 188.72.202.
Deny from 188.72.241.106
Deny from 188.92.75.82
Deny from 188.92.76. 188.92.77.
Deny from 188.95.50.80
Deny from 188.143.232.
Deny from 188.163. "#Ukraine spammers
Deny from 188.165.200.113
Deny from 188.165.220.
Deny from 188.187.34.137
Deny from 189.51.32. 189.51.33. "#brazilian spammers
Deny from 189.108.214.34
Deny from 190.177.92. 190.177.93. 190.177.94.
Deny from 193.9.21.62
Deny from 193.17.253.
Deny from 193.105.134.177
Deny from 193.105.210.
Deny from 193.106.136.
Deny from 193.151.13. 193.151.14.
Deny from 193.252.149. "#voila
Deny from 193.251.89.148
Deny from 194.19.140.96 "#Danish hacker idiots
Deny from 194.28.44.
Deny from 194.72.50.238
Deny from 194.187.148.40
Deny from 195.2.204.
Deny from 195.39.210.207
Deny from 195.42.102.25
Deny from 195.54.162.128
Deny from 195.162.68.
Deny from 195.191.40.17
Deny from 195.191.41.129
Deny from 195.191.54.
Deny from 195.216.197.114
Deny from 195.230.99. "#ukraine bots
Deny from 196.40.10.240
Deny from 197.28. "#horde of malicious Tunisian scum
Deny from 200.31.42.3
Deny from 200.67.147.101
Deny from 200.67.152. 200.67.153. 200.67.154.
Deny from 200.226.134.53
Deny from 201.19.81. 201.19.82. 201.19.83.
Deny from 201.59.12.198
Deny from 201.220.231. 201.220.232.
Deny from 202.43.180. 202.43.181. 202.43.182. 202.43.183. 202.43.184.
Deny from 202.75.62. "#Malaysian spammer horde
Deny from 202.108.5
Deny from 202.108.50.
Deny from 202.106.128. "#horde of S.Korean spammers
Deny from 202.111.175.
Deny from 202.171.253.70
Deny from 203.177.247.
Deny from 204.10.222.23 "#tried using WebDav
Deny from 204.124.182.
#Deny from 205.178.190.115 205.178.190.233 205.178.190.236 "#Network solutions bot
Deny from 205.209.142.197
Deny from 205.209.143.85
Deny from 205.213.195.70
Deny from 206.48.0.60
Deny from 207.61.189.14
Deny from 207.171.191.60 "#spambot
Deny from 208.80.192.0/21 "#WebSense
Deny from 208.80.194.26
Deny from 208.53.131.149
Deny from 208.79.211.112 "#macfixer bot
Deny from 208.80.194.26
Deny from 208.92.218.168
Deny from 208.115.96.0/19 "#dotnetdotcom, wowrack
Deny from 208.115.111.248
Deny from 210.51.4.
Deny from 210.187.51.55
Deny from 210.19.198. 210.19.199. 210.19.200.
Deny from 212.95.54.
Deny from 212.95.58.
Deny from 212.117.165.184
Deny from 212.117.174.14
Deny from 212.117.173.138
Deny from 212.178.21.115
Deny from 212.235.107.
Deny from 213.5.64.0/21 "#altushost, spam haven
Deny from 213.5.70. 213.5.71. 213.5.72.
Deny from 213.108.20. 213.108.21 "#spammer horde
Deny from 213.186.122. "#Ukraine spambot
Deny from 213.163.65.163
Deny from 213.163.65.177
Deny from 213.186.
Deny from 213.210.200.170
Deny from 213.239.200.199
Deny from 218.207.217.245 "#chinese spammer
Deny from 216.80.120. "#American spammer horde
Deny from 67.218.116. "#Cuil.com
Deny from 216.129.119. "#Cuil.com
Deny from 217.23.8.168
Deny from 217.23.14.167
Deny from 217.64.104.
Deny from 167.206.1.30 167.206.1.103 "#dyn.optonline.net, PROPFIND
Deny from 208.73.210.29 "#scream.net
Deny from 217.118.64.
Deny from 217.118.82 217.118.83
Deny from 217.73.161. 217.73.162. 217.73.163.
Deny from 217.218.249.61
Deny from 218.25.98. 218.25.99. 218.25.100.
Deny from 218.75.
Deny from 218.78.236. 218.78.237. 218.78.238. "#chinese spammers
Deny from 218.101.129. 218.101.130.
Deny from 218.207.217. "#Chinese spammers
Deny from 219.133.
Deny from 220.181.37. "#chinese leaches
Deny from 220.165.15.
Deny from 220.178.30. 220.178.31. 220.178.32.
Deny from 220.181.51.155 220.181.51.156 220.181.51.157 220.181.51.158 "#file leaches
Deny from 220.248.187.
#Chinese spammers
Deny from 221.1.139. 221.1.140. 221.1.141. 221.1.142. 221.1.143. 221.1.144. 221.1.145. 221.1.146. 221.1.147. 221.1.148. 221.1.149. 221.1.150. 221.1.151. 221.195.72
Deny from 221.12.53. 221.12.54. 221.12.55. 221.12.56.
Deny from 221.195.73
Deny from 221.214.27.252
Deny from 222.73.219.207
Deny from 222.76.212. 222.76.213. 222.76.214. 222.76.215. 222.76.216. 222.76.217. 222.76.218. 222.76.219.
Deny from 222.165.130.214
Deny from 222.136.98.98
Deny from 222.208.184.
Deny from 228.149.169.122 "#referrer spammer
Deny from 236.116.4.46
#Amazon AWS EC2 here on down
Deny from 46.51.128.0/17
Deny from 46.137.0.0/16
Deny from 50.16.0.0/14
Deny from 67.202.0.0/18
Deny from 72.44.32.0/19
Deny from 75.101.128.0/17
Deny from 79.125.0.0/17
Deny from 107.20.0.0/15
Deny from 122.248.192.0/18
Deny from 174.129.0.0/16
Deny from 175.41.128.0/17
Deny from 184.72.0.0/15
Deny from 204.236.128.0/17
Deny from 216.182.224.0/20
</Limit>
# BLACKLISTED USER AGENTS
SetEnvIfNoCase User-Agent "swish-e" keep_out
SetEnvIfNoCase User-Agent "ucker" keep_out
SetEnvIfNoCase User-Agent "dotnetdotcom" keep_out
SetEnvIfNoCase User-Agent "spiffysearch" keep_out
SetEnvIfNoCase User-Agent "brandwatch" keep_out
SetEnvIfNoCase User-Agent "ezooms" keep_out
SetEnvIfNoCase User-Agent "sospider" keep_out
SetEnvIfNoCase User-Agent "ntireweb" keep_out
SetEnvIfNoCase User-Agent "larbin" keep_out
SetEnvIfNoCase User-Agent "eoprofiler" keep_out
SetEnvIfNoCase User-Agent "Purebot" keep_out
SetEnvIfNoCase User-Agent "WebCapture" keep_out
SetEnvIfNoCase User-Agent "discobot" keep_out
SetEnvIfNoCase User-Agent "voilabot" keep_out
SetEnvIfNoCase User-Agent "WebDAV" keep_out
SetEnvIfNoCase User-Agent "DavClnt" keep_out
SetEnvIfNoCase User-Agent "Data Access Internet Publishing" keep_out
SetEnvIfNoCase User-Agent "Existence Discovery" keep_out
SetEnvIfNoCase User-Agent "Protocol Discovery" keep_out
SetEnvIfNoCase User-Agent ^Java keep_out
SetEnvIfNoCase User-Agent ^$ keep_out
SetEnvIfNoCase User-Agent ^-$ keep_out
SetEnvIfNoCase User-Agent "libwww" keep_out
SetEnvIfNoCase User-Agent "urllib" keep_out
SetEnvIfNoCase User-Agent "Jakarta" keep_out
SetEnvIfNoCase User-Agent "MJ12" keep_out
SetEnvIfNoCase User-Agent "MLBot" keep_out
SetEnvIfNoCase User-Agent "Nutch" keep_out
SetEnvIfNoCase User-Agent "nrsbot" keep_out
SetEnvIfNoCase User-Agent "Sogou" keep_out
SetEnvIfNoCase User-Agent "Enterprise Crawler" keep_out
SetEnvIfNoCase User-Agent "CamontSpider" keep_out
SetEnvIfNoCase User-Agent "PostRank" keep_out
SetEnvIfNoCase User-Agent "choppy" keep_out
SetEnvIfNoCase User-Agent "heritrix" keep_out
SetEnvIfNoCase User-Agent "Zao" keep_out
SetEnvIfNoCase User-Agent "Gigamega" keep_out
SetEnvIfNoCase User-Agent "gazz" keep_out
SetEnvIfNoCase User-Agent "DotBot" keep_out
SetEnvIfNoCase User-Agent "Dolphin" keep_out
SetEnvIfNoCase User-Agent "Exabot" keep_out
SetEnvIfNoCase User-Agent "MarkWatch" keep_out
SetEnvIfNoCase User-Agent "miniRank" keep_out
SetEnvIfNoCase User-Agent "attributor" keep_out
SetEnvIfNoCase User-Agent "Webster" keep_out
SetEnvIfNoCase User-Agent "Yeti" keep_out
SetEnvIfNoCase User-Agent "GetRight" keep_out
SetEnvIfNoCase User-Agent "Getleft" keep_out
SetEnvIfNoCase User-Agent "Wget" keep_out
SetEnvIfNoCase User-Agent "wget" keep_out
SetEnvIfNoCase User-Agent "gigablast" keep_out
SetEnvIfNoCase User-Agent "nave" keep_out
SetEnvIfNoCase User-Agent "Nave" keep_out
SetEnvIfNoCase User-Agent "findlinks" keep_out
SetEnvIfNoCase User-Agent "Mozilla/0" keep_out
SetEnvIfNoCase User-Agent "Mozilla/1" keep_out
SetEnvIfNoCase User-Agent "Mozilla/2" keep_out
SetEnvIfNoCase User-Agent "Mozilla/3" keep_out
SetEnvIfNoCase User-Agent "Mozilla/4.5" keep_out
SetEnvIfNoCase User-Agent "MSIE 4" keep_out
SetEnvIfNoCase User-Agent "MSIE 5" keep_out
SetEnvIfNoCase User-Agent "LexxeBot" keep_out
SetEnvIfNoCase User-Agent "sitebot" keep_out
SetEnvIfNoCase User-Agent "oudao" keep_out
SetEnvIfNoCase User-Agent "picsearch" keep_out
SetEnvIfNoCase User-Agent "TalkTalk" keep_out
SetEnvIfNoCase User-Agent "huaweisymantec" keep_out
SetEnvIfNoCase User-Agent "yioop" keep_out
SetEnvIfNoCase User-Agent "Baidu" keep_out
SetEnvIfNoCase User-Agent "spoke.com" keep_out
<Limit GET POST>
Order Allow,Deny
Allow from all
Deny from env=keep_out
</Limit>
RewriteCond %{QUERY_STRING} \.\.\/ [NC,OR]
RewriteCond %{QUERY_STRING} ftp\: [NC,OR]
RewriteCond %{QUERY_STRING} http\: [NC,OR]
RewriteCond %{QUERY_STRING} https\: [NC]
RewriteRule ^(.*)$ - [F,L]