Fedora and socket binding

[dmorin at lear.morinfamily.com (Duane Morin)]

It appaers that Fedora is keeping me from listening on any sockets.  I 
wrote a simple Java app:

System.out.println("Init...");
s = new ServerSocket(x);
while (true) { 
  System.out.println("Listening...");
  s.accept();
  System.out.println("Received.");
}

where x is a tweakable param.

But whenever I run it I only ever see "Init...", no matter what port I 
try.  80 is the port in question, but I've tried others above and below
1024.  It actually surprises me because I would have expected it to create 
the object ok and then throw an exception when attempting to accept any 
connections.  

I copied the program to another machine, it did exactly as expected -- 80 
was denied (running as user, not root), 2444 was accepted and listening 
happily.


Anybody know what Fedora is running that is keeping me from opening a 
simple server socket?  It's really quite annoying to have worked out all 
my hardware issues and not still not be able to get any work done.  
How would I know if something like ipchains was running?  There's nothing 
in the process table that suggests that it is.  Netstat is reporting 
nothing of interest.


Thanks!!

Duane