On 2015-07-03, Sujit Acharyya-choudhury <s.choudhury@???> wrote:
> --===============2004088050==
> Content-Language: en-US
> Content-Type: multipart/signed; protocol="application/x-pkcs7-signature";
> micalg=SHA1; boundary="----=_NextPart_000_0047_01D0B5B6.AE76A1F0"
>
> ------=_NextPart_000_0047_01D0B5B6.AE76A1F0
> Content-Type: text/plain;
> charset="utf-8"
> Content-Transfer-Encoding: quoted-printable
>
> Just ping can cause DOS attack by Ping flooding. So if not needed for =
> mail gateway, we can disable ping on our mail gateways.=20
>
most internet systems have been hardened against participating in a
smurf attack. anyone wanting to DOS you would get better mileage from
attacking port TCP 25, perhaps with a crafted PTR and A record.
--
umop apisdn
