Scott Buchanan
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Scott Buchanan WEB: http://www.4dneuroimaging.com
President & CEO e-mail: email@hidden
4-D Neuroimaging Tel: (858) 458-5657
9727 Pacific Heights Blvd . Fax: (858) 458-5698
San Diego, CA 92091
USA
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On Jan 25, 2007, at 12:14 PM, Ryan Williams wrote:
I bet that's it...when the server sends out its broadcast to
advertise its services, the firewall opens that port to allow any
responses to be received (allowing it to receive and respond to
queries). Since mDNS doesn't announce at even intervals, the time
period is eventually long enough that the firewall closes between
announcements, blocking the broadcasted queries. Disconnecting and
reconnecting the server or tweaking the network settings would
cause it to announce again, fixing the problem (for some time).
On 1/25/07, R. Tyler Ballance <email@hidden> wrote:
On Jan 25, 2007, at 10:58 AM, Scott Buchanan wrote:
I've search this list and seen the start of several threads about
this issue but no resolutions so I'm posting my problem. If I've
missed the resolution please point me to it.
I have an iMac G5 running 10.4.8 Client acting as a basic server
for my home providing web pages and printers to my wired/wireless
network. The iMac is hardwired to the main router. There is an
EyeHome and another router (acting as a wireless node) hardwired
to the main router and a couple of laptops and a TiVo that connect
wirelessly. Every couple of days I can no longer 'see' the server
using Bonjour. I can't ping g5server.local, I can't get the web
service through g5server.local, I can't ssh to g5server.local, and
I can't print. I CAN get web pages from http://10.0.1.10 (it's IP
address) and I CAN ssh to 10.0.1.10.
I can resolve this problem two ways (other than rebooting the
system)
1) I can simply unplug the ethernet cable from the iMac and replug
it in.
2) I can go to System Preferences->Sharing and change the name of
the computer to something else, and then back.
While easily fixed each time this is a pain. Is there something I
can look at/do to track down the underlying problem?
What happens if you actively query the service? For example, could
you try to see what happens if you use the dns-sd(1) tool after you
can't access the webservice on g5server.local:
dns-sd -B _http._tcp
That should send an query out on multicast that the machine should
respond to and update your local cache appropriately. As to why the
record is disappearing from your local mDNS cache is beyond me, but
actively querying for it should at least be a temporary fix for
you. (Could one of those routers be filtering multicast or dropping
the UDP packets at some point?)
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