Date: Wed, 4 Mar 1998 09:40:47 +1030 From: Greg Lehey <grog@lemis.com> To: eurdrk@eur.sas.com Cc: freebsd-questions@FreeBSD.ORG Subject: Re: DNS (was: problem with netscape communicator) Message-ID: <19980304094047.58831@freebie.lemis.com> In-Reply-To: <34FBE90F.AF92C72E@eur.sas.com>; from Dieter Koegel on Tue, Mar 03, 1998 at 12:27:11PM %2B0100 References: <34FB3218.1022F26A@eur.sas.com> <19980303094145.52540@freebie.lemis.com> <34FBE90F.AF92C72E@eur.sas.com>
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On Tue, 3 March 1998 at 12:27:11 +0100, Dieter Koegel wrote: > Greg Lehey wrote: >> >> On Mon, 2 March 1998 at 23:26:32 +0100, Dieter Koegel wrote: >>> Hi, >>> >>> actually I'm receiving mail and news at my home office with netscape >>> communicator 4.04 for FreeBSD. (2.2.5-RELEASE) AFAICS this weird >>> communicator tries to connect to my cache only nameserver which connects >>> me to my Ascend pipeline. This is really pain in the ass. >>> >>> Any suggestions to work around this problem are welcome >> >> Well, the first question would be to explain what the problem is. >> Sure, like many programs, Netscape performs DNS lookups. How else do >> you expect it to resolve URLs? What's the problem? > > The problem is that communicator does lookups when starting, when > writing a new mail and also when it is idle. Not really. The communicator is a network application, and it references URLs when starting and when writing mail. The references when idle are probably the result of some underlying protocol activity. > I had no lookups when communicator isn't running. Funny, isn't it? Not really. It just describes your usage patterns. Here's a brief (36 seconds) dump of DNS activity on my system while writing this message (and not using Netscrape): 09:39:32.868085 gregl1.lnk.telstra.net.domain > ns1.telstra.net.domain: 52722+ (42) 09:39:33.122096 ns1.telstra.net.domain > gregl1.lnk.telstra.net.domain: 52722 1/2/3 (183) 09:39:48.031626 ns.cetlink.net.3051 > allegro.lemis.com.domain: 55096 A? lemis.com. (27) 09:39:48.032740 allegro.lemis.com.domain > ns.cetlink.net.3051: 55096* 0/1/0 (76) 09:39:48.290316 gregl1.lnk.telstra.net.domain > uneeda.aarnet.edu.au.domain: 52723+ (42) 09:39:48.572705 ns.cetlink.net.3051 > freebie.lemis.com.domain: 55104 MX? lemis.com. (27) 09:39:48.573204 freebie.lemis.com.domain > ns.cetlink.net.3051: 55104* 4/3/6 (288) 09:39:51.142618 jet.laker.net.domain > freebie.lemis.com.domain: 32784 A? lemis.com. (27) 09:39:51.142979 freebie.lemis.com.domain > jet.laker.net.domain: 32784* 0/1/0 (76) 09:39:51.816581 jet.laker.net.domain > allegro.lemis.com.domain: 32785 MX? lemis.com. (27) 09:39:51.818402 allegro.lemis.com.domain > jet.laker.net.domain: 32785* 4/3/5 (272) 09:39:53.309544 gregl1.lnk.telstra.net.domain > uneeda.aarnet.edu.au.domain: 52724+ (42) 09:39:56.327850 gregl1.lnk.telstra.net.domain > ns1.telstra.net.domain: 52723+ (42) 09:39:56.982566 ns1.telstra.net.domain > gregl1.lnk.telstra.net.domain: 52723 1/2/2 (156) 09:39:58.327905 gregl1.lnk.telstra.net.2587 > sy-dns02.tmns.net.au.domain: 56082+ (42) 09:39:58.915724 sy-dns02.tmns.net.au.domain > gregl1.lnk.telstra.net.2587: 56082 1/2/2 (156) 09:40:00.044676 gregl1.lnk.telstra.net.domain > uneeda.aarnet.edu.au.domain: 52725+ (43) 09:40:01.316620 allegro.lemis.com.domain > g.root-servers.net.domain: 27418 (42) 09:40:01.847879 gregl1.lnk.telstra.net.domain > ns1.telstra.net.domain: 52724+ (42) 09:40:02.236567 ns1.telstra.net.domain > gregl1.lnk.telstra.net.domain: 52724 1/3/3 (196) 09:40:02.287832 g.root-servers.net.domain > allegro.lemis.com.domain: 27418- 0/3/3 (171) 09:40:03.580936 whitecross.monad.net.domain > allegro.lemis.com.domain: 49508 A? lemis.com. (27) 09:40:03.581942 allegro.lemis.com.domain > whitecross.monad.net.domain: 49508* 0/1/0 (76) 09:40:05.089601 gregl1.lnk.telstra.net.domain > uneeda.aarnet.edu.au.domain: 52726+ (43) 09:40:08.107933 gregl1.lnk.telstra.net.domain > ns1.telstra.net.domain: 52725+ (43) Greg To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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