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<small>Mark, thanks for your reply.<br>
An IPS is blocking FORMERR messages, this is the reason of timeout.<br>
<br>
Thanks,<br>
Breno.<br>
<br>
<br>
Mark Andrews escreveu:</small>
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<pre wrap="">From my server, dig to Akamai with EDNS (+bufsize=512) doesn't get
FORMERR message, dig return "connection timed out; no servers could be
reached".
What could be the reason ?
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You have a device in the path that is filtering out the
FORMERR responses. Such devices are usually labeled
"firewall" but could be something else like a NAT with a
bad DNS ALG.
Mark
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<pre class="moz-signature" cols="80">--
Ats,
Breno S. Soares
Analista de Redes
SERPRO/SUPRE/REBHE
Tel: (31) 3311-6825
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