error log i apache - block 127.0.0.1

i min apache error log forekommer dette MANGE gange. Og nej det er ikke mig selv der efterspørger dette javascript.

1) Nogle der ved hvem/hvad det er? en bag proxy? en "hacker"?, Virus?
2) Hvordan blocker jeg denne når 127. henviser til min egen localhost jo?

[Fri Jun 04 23:31:10 2004] [error] [client 127.0.0.1] File does
not exist: j:/apache/htdocs/a1.js
[Fri Jun 04 23:31:27 2004] [error] [client 127.0.0.1] File does not exist: j:/apache/htdocs/ad/bn/2408-9553-1658-2
[Fri Jun 04 23:31:27 2004] [error] [client 127.0.0.1] File does not exist: j:/apache/htdocs/a1.js
[Fri Jun 04 23:31:29 2004] [error] [client 127.0.0.1] File does not exist: j:/apache/htdocs/ad/bn/2408-9553-1658-2
[Fri Jun 04 23:31:29 2004] [error] [client 127.0.0.1] File does not exist: j:/apache/htdocs/a1.js