tcp queries

Barry Margolin barmar at bbnplanet.com
Thu Mar 30 19:28:30 UTC 2000


In article <38E35C6A.923A8CB2 at atron.be>, Floris Buyse  <floris at atron.be> wrote:
>Can you give bind an option to always query with tcp?

Not that I know of.

>I have have a linux box with a dialup line and dynamic ip. Only tcp
>packets ( that trigger an outgoing call ) are rewritten to the new ip
>adres.
>All I found is that bind queries in tcp only for big queries and zone
>tranfers.

Lots of sites block TCP at their firewall, as a misguided way to prevent
zone transfers.  So if BIND did all its queries with TCP, there would be
lots of places you couldn't get to.

You should fix your dialup router so that UDP/53 triggers a call.

-- 
Barry Margolin, barmar at bbnplanet.com
GTE Internetworking, Powered by BBN, Burlington, MA
*** DON'T SEND TECHNICAL QUESTIONS DIRECTLY TO ME, post them to newsgroups.
Please DON'T copy followups to me -- I'll assume it wasn't posted to the group.



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