PlantyNet_WebRobot_V1.9

Has anyone seen this?

[MarieC]

218.232.120.81 - - [15/Mar/2003:23:59:56 -0500] "GET /robotsxx.txt HTTP/1.0" 404 1302 "-" "PlantyNet_WebRobot_V1.9 [e-mail]"
218.232.120.81 - - [15/Mar/2003:23:59:57 -0500] "GET / HTTP/1.0" 200 622 "-" "PlantyNet_WebRobot_V1.9 [e-mail]"

robotsxx.txt? Despite the fact they totally bypassed the robots.txt, they also ignored the robotsxx file. Typo or something else?

[wilderness]

There are so many of the pest that begin with Web, making the following a MUST:
SetEnvIf User-Agent Web keep_out