[CentOS] Wierd Networking Problem
christopher at ias.com.hk
Wed Oct 31 23:44:55 UTC 2007
Bart Schaefer wrote:
> On Oct 31, 2007 12:24 AM, Shawn Everett <shawn at tandac.com> 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.
More information about the CentOS