use warnings;
use strict;

while (<DATA>) {
    chomp if $. == 3;
    print;
}

__DATA__
14020493,user connected to system,11052010083612,192.168.7.8 
admin,user connected,11052010091657,10.10.10.5
16053070,data from server xyz apahce=9843685 sessione
abcir90458715,11052010091006,65.4.60.83