Centos 4.4 and blocked ports but no firewall?

[scott at MIT.EDU (Scott Ehrlich)]

The magic was an entry in /etc/services and a restart of the service in 
question.

Scott

On Tue, 13 Feb 2007, Matthew Gillen wrote:

> Scott Ehrlich wrote:
>> I have had CentOS running on my desktop for quite some time (several
>> months) with no firewall or other security enhancements.   I just set up
>> a service on a special port, but port scanning from other machines on
>> the lan (machines that have no firewall either) cannot the port on the
>> centos box.
>>
>> I am able to telnet into localhost <special port>, but a telnet of
>> <local ip> <special port> from lan boxen say connection refused.
>>
>> I have a simple linksys box that is not blocking anything internally.
>>
>> I specifically disabled all port filtering on the centos box to keep it
>> as open as possible.
>>
>> What am I missing?
>
> This may or may not be your issue:
> When creating a socket, you can specify which interface(s) to bind to.  If
> this is a program of your own, check the address being passed to the bind()
> system call (I think...).
>
> If it's someone else's program, there's probably a config file option of
> some sort that tells it what local address to bind to.  If it's set to
> 127.0.0.1, then you would see the thing you describe.  Grep for "127.0.0.1"
> and "localhost" in the config files, and replace those with the real
> hostname/routable IP address.
>
> HTH,
> Matt
>

-- 
This message has been scanned for viruses and
dangerous content by MailScanner, and is
believed to be clean.