Re: [CentOS] Wierd Networking Problem

From: Christopher Chan <christopher(at)ias.com.hk>
Date: Wed Oct 31 2007 - 19:44:55 EDT

Bart Schaefer wrote:

> On Oct 31, 2007 12:24 AM, Shawn Everett  wrote:

>> telnet smtp.isp.net 25 generates the following:
>> Trying a.b.c.d...
>> Connected to smtp.isp.net.
>> Escape character is '^]'.
>>
>> And then nothing. All other machines can connect to smtp.isp.net 25
>> without a problem. They also use that host for their outgong mail server.

> 
> Have you contacted "isp.net", whoever they are, to make sure that they
> have not blackholed or tarpitted that particular machine's IP address
> for some reason?

He said that the box is behind a nat and only that box behind the nat has a problem. I doubt that it has been specifically targetted by ip.

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http://lists.centos.org/mailman/listinfo/centos Received on Wed Oct 31 19:45:56 2007