Red Hat AS4 Port connections problem

Hi,

I have a problem on my Linux 4 machine where i have an application
listening on PORT X... Suddenly, the port will be dropped or something
like that(it wont be there in netstat -a anymore) but my application is
still running... Since i get alot of connections to that port
simultaneously, i think Linux is dropping this port because there are
alot of connections coming on it(or something like that)....

Is there any way to:

1- Trace why the problem is happening
2- Check any log/messages that can help me see what really is going on
like reaching a limit or something like that...
3- Check the number of maximum connections that are allowed on a
certain port simultaneosly

Are there any parameters that control this??

Thank you in advance!

In comp.os.linux.networking (E-Mail Removed):
> Hi,

> I have a problem on my Linux 4 machine where i have an application
> listening on PORT X... Suddenly, the port will be dropped or something
> like that(it wont be there in netstat -a anymore) but my application is
> still running... Since i get alot of connections to that port
> simultaneously, i think Linux is dropping this port because there are
> alot of connections coming on it(or something like that)....

> Is there any way to:

> 1- Trace why the problem is happening

Run 'tcpdump' on the device/port and see what is happening. You
ruled out selinux? It is enabled by default and could make some
problems.

Are all patches installed? What do you get if you run 'uname -r'?

In addition you could ask the admin of the box to help you
trouble shooting the problem. Hopefully your app isn't ratware?

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