Serge Blokhin wrote:

> Hi All,
> I am new in linux so the question may be easy,
> I have an app which is listening specific port for incoming
> connections.
> I run it on AIX ,HPUX, Solaris it all worked fine, but on linux (RH
> 7.2 ) it's not working.
> When i run netstat -l it shows that my app is listening 25115 port,
> which is kinda strange 'cause I wanted it to listen 7010...
> If i try to connect to the linux box on 25115 port i get the
> connection but non on 7010. So it looks like somehow linux changes
> listening port for my app...
> Can somebody explain me why it is happening?
> Thanks
> Serge
Hi,

on some Linux Systems, you are not allowed to use the registered ports. Port
7010 is used for
ups-onlinet 7010/tcp # onlinet uninterruptable power supplies
ups-onlinet 7010/udp # onlinet uninterruptable power supplies


Alex