Bem,
aqui fa�o no cisco ...
resumidamente , bloqueio tudo que for > que 1024 (para ips NAO do brasil)

access-list 109 permit ip 200.0.0.0 0.255.255.255 any
access-list 109 permit tcp host 198.74.32.25 any
access-list 109 permit tcp any any range 27000 27018
access-list 109 permit tcp any range 6665 6670 any
access-list 109 permit tcp any range 7000 7005 any
access-list 109 permit tcp any any eq 6003
access-list 109 permit tcp any eq 5190 any
access-list 109 deny icmp any any
access-list 109 deny tcp any any range 135 139
access-list 109 deny udp any any range 135 139
access-list 109 deny tcp any gt 1024 any gt 1024
access-list 109 deny udp any any eq 69
access-list 109 permit ip any any

segura at� um bocado o kazaar e derivados
um  abraco

Rogerio Heringer


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