Re: Network strangeness
- From: Aaron Konstam <akonstam@xxxxxxxxxxxxx>
- Date: Wed, 30 Apr 2008 16:09:31 -0500
On Wed, 2008-04-30 at 15:01 +0100, Chris G wrote:
On Wed, Apr 30, 2008 at 08:55:32AM -0500, Aaron Konstam wrote:I agree with your analysis but I don't understand the asymmetry of the
I have two machines on a home network:
cyrus - wireless
saturn - wired
On cyrus : ping saturn and host saturn both fail saying saturn can't be
found. However, ssh saturn works.
On saturn: ping cyrus works but host cyrus fails.
ssh cyrus, works
I don't use iptables. Any explanations for this behavior?
Errors are like:
** server can't find saturn: NXDOMAIN
I suspect that some things use the local /etc/host bu others do not.
Certainly the 'host' command doesn't use /etc/hosts so that suggests:-
cyrus can't find saturn using DNS but saturn is in its /etc/hosts
file so ssh works.
saturn can find cyrus using DNS, it may well be able to find it
using /etc/hosts as well.
I wonder if you have things set up so ping (ICMP packets?) are refused
somewhere in the system so that ping will never work regardless of
DNS, routing, etc.
behavior. I am unaware that I ban ping but that may be a DNS thing.
--
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Whenever I feel like exercise, I lie down until the feeling passes.
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Aaron Konstam telephone: (210) 656-0355 e-mail: akonstam@xxxxxxxxxxxxx
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- Network strangeness
- From: Aaron Konstam
- Re: Network strangeness
- From: Chris G
- Network strangeness
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