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Re: [cobalt-users] nslookup, PTR's and slow responses...
- Subject: Re: [cobalt-users] nslookup, PTR's and slow responses...
- From: Jay Summers <jay@xxxxxxxxxxxxxxxxxxxxx>
- Date: Fri Nov 9 14:07:38 2001
- List-id: Mailing list for users to share thoughts on Cobalt products. <cobalt-users.list.cobalt.com>
> I've got a client who complains about slow response and timeouts using
> SMTP. I've extensively searched the archives and have localized the
> problem to the fact that the Raq 4r is doing an nslookup on his firewall IP
> address however there is no PTR defined for his firewall. So he has to
> wait for the lookup to timeout before the connection is completed. It
> looks like the timeout is about 10 seconds (i.e. if I try an nslookup on
> his IP it times out in about 10 seconds), but he complains that it takes
> nearly a minute to connect.
Add his routers IP address to your /etc/hosts file. eg.
172.16.19.100 <TAB> router.domain.com
HTH,
j
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