Hi everyone

I got those logs in apache, could anyone explain to me what they are ?

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127.0.0.1 - - [12/May/2012:13:22:53 +0700] "GET /announce?peer_id=-KT4200-M2QcnkLmXrhz&port=6881&uploaded=0&downloaded=0&left=168820736&compact=1&numwant=200&key=813614072&ip=145.25.36.85&event=started&info_hash=%af%eco%3c%ed%dd%f6%f0H%a3%1e%87%f3A%3a%99%0e%97%82%13 HTTP/1.1" 404 499 "-" "KTorrent/4.2.0"
127.0.0.1 - - [12/May/2012:13:22:53 +0700] "GET /announce?peer_id=-KT4200-M2QcnkLmXrhz&port=6881&uploaded=0&downloaded=0&left=168820736&compact=1&numwant=200&key=813614072&ip=145.25.36.85&event=started&info_hash=%af%eco%3c%ed%dd%f6%f0H%a3%1e%87%f3A%3a%99%0e%97%82%13 HTTP/1.1" 404 499 "-" "KTorrent/4.2.0"

The IP given according to WHOIS is :

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inetnum:      145.25.0.0 - 145.25.255.255
netname:      IAMPET-IPNET
descr:        Institute for Advanced Materials
descr:        P.O. Box 2
descr:        1755 ZG  Petten
country:      NL
admin-c:      DWK1-RIPE
admin-c:      DWK9-RIPE
tech-c:       DWK1-RIPE
tech-c:       DWK9-RIPE
status:       ASSIGNED PA
mnt-by:       SN-LIR-NONE-MNT
source:       RIPE # Filtered

person:       D W. Klage
address:      Institute for Advanced Materials
address:      P.O. Box 2
address:      NL - 1755 ZG Petten
address:      NL
phone:        +31 2246 5341
nic-hdl:      DWK1-RIPE
mnt-by:       RIPE-ERX-MNT
source:       RIPE # Filtered

person:       D.W. Klage
address:      Gemeenschappelijk Centrum voor Onderzoek
address:      P.O. Box 2
address:      NL-1755 ZG Petten
address:      The Netherlands
phone:        +31 2246 5341
nic-hdl:      DWK9-RIPE
remarks:      This object is no longer maintained by hostmaster@cwi.nl
remarks:      and is or may soon become obsolete.
source:       RIPE # Filtered

Thank you

They are tracker announces, probably somebody is using a wrong tracker URL with your IP or hostname in it.

Hi Thanks for your answer.

Can it be harmful ? And is there a way to get rid of it ?

Can it be harmful ?

No

And is there a way to get rid of it ?

You could block those IP addresses

Ok thanks.