messages in mt MT log file

Hello Normis/serjes,

These are messages i get in my log file…

13:57:25 manager,debug received remote request from 87.248.104.123:3478 with
unknown address, dropping
13:57:25 manager,debug received remote request from 87.248.104.124:3479 with
unknown address, dropping
13:57:25 manager,debug received remote request from 87.248.104.123:3478 with
unknown address, dropping
13:57:25 manager,debug received remote request from 87.248.104.124:3479 with
unknown address, dropping
13:57:26 manager,debug received remote request from 87.248.104.123:3478 with
unknown address, dropping
13:57:26 manager,debug received remote request from 87.248.104.124:3479 with
– [Q quit|D dump|up|down]


does this mean am vulnerable on the net? how do i avoid this… i dont recall any of these ip addresses.

Pls treat ASAP