Network problems

Todd Denniston Todd.Denniston at ssa.crane.navy.mil
Thu Feb 5 21:44:10 UTC 2009


Frank Cox wrote, On 02/05/2009 04:31 PM:
> On Thu, 05 Feb 2009 20:49:38 +0000
> Aaron Gray wrote:
> 
>>  can ping okay but HTTP and FTP are non functional.
> 
> If you can ping, it's working.  If you have no active network connection at
> all, you won't be able to ping anything other than yourself (localhost,
> 127.0.0.1, etc)
> 
> Are you pinging a numeric address but attempting to use http and ftp to a
> domain name?  If so, you have a problem with your dns settings.
> 

if pinging with a name and http/ftp with a name, then it _could_ be your ISP 
requires you to use their proxy, but does not transparently re-route your 
packets. :)

> If you can ping some places but not others, then you have a routing problem.
> 
> If you can ping your internal network but nothing "outside", then you have a
> gateway problem (which is also a routing problem).
> 

-- 
Todd Denniston
Crane Division, Naval Surface Warfare Center (NSWC Crane)
Harnessing the Power of Technology for the Warfighter




More information about the fedora-list mailing list