Mailing Lists: Apple Mailing Lists

Image of Mac OS face in stamp
 
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Unusable DNS, 10.4 Tiger



I had the same problem on our DNS (it took 8 seconds or so to lookup names).
I spendt a month or so trying to track it down, until I recieved the info that the block size of lookups cant be over 512 Kb when using certain firewalls.


We have a FireBox III here, and that seemed to be the problem. After getting the last BIND (9.3.1, a version that handles this command), I could set this in my named.conf file:

edns-udp-size 512;

This totally solved MY problem.
Hope this can be to any help!

/John

2 dec 2005 kl. 09.06 skrev Justin C. Walker:


On Dec 1, 2005, at 23:39 , Dalton Hamilton wrote:

From my understanding of how DNS resolution works, your #2 statement below doesn't make sense to me. DNS lookups use UDP only. TCP is only used for zone transfers. Therefore, this should not have affected resolution performance of a client resolver to the DNS server.

Can you correct my mis-understanding?

Bind can be configured to use TCP for queries (cf. the RES_USEVC option for the resolver (in <resolv.h>).


Regards,

Justin

--
Justin C. Walker, Curmudgeon-At-Large
Institute for General Semantics
--------
When LuteFisk is outlawed,
Only outlaws will have LuteFisk
--------


_______________________________________________
Do not post admin requests to the list. They will be ignored.
Macnetworkprog mailing list (email@hidden)
Help/Unsubscribe/Update your Subscription:
http://lists.apple.com/mailman/options/macnetworkprog/john% 40peekaboo.se


This email sent to email@hidden

_______________________________________________ Do not post admin requests to the list. They will be ignored. Macnetworkprog mailing list (email@hidden) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/macnetworkprog/email@hidden

This email sent to email@hidden
References: 
 >Re: Unusable DNS, 10.4 Tiger (From: Ryan McGann <email@hidden>)
 >Re: Unusable DNS, 10.4 Tiger (From: Dalton Hamilton <email@hidden>)
 >Re: Unusable DNS, 10.4 Tiger (From: "Justin C. Walker" <email@hidden>)



Visit the Apple Store online or at retail locations.
1-800-MY-APPLE

Contact Apple | Terms of Use | Privacy Policy

Copyright © 2007 Apple Inc. All rights reserved.