On Sun, Jun 16, 2002 at 12:28:30AM +0200, Fr?d?ric DERRIEN <[EMAIL PROTECTED]> 
wrote:
> Hello all...
>  
> I'm testing the SME Server v5.5 beta 9 to test my ibays. I've done a
> port scanner for computers of my network and I've found a strange
> thing. On my test server (SME Server 5.5 beta9), I've found a port
> open at 65557 wich relay to FTP. I've tested it with my FTP client
> and I connected to my FTP server.

You have a broken port scanner. There are only 65535 possible ports,
and it wraps around (65557-65536=21, ftp; 65558-65536=22, ssh, and so
on.)

Er, to clarify, the port scanner goes past 65535, and Linux wraps
around so that port p=65536i+j is port j for any integer i.

Cheers,

  -Rich

-- 
------------------------------ Rich Lafferty ---------------------------
 Systems Administrator/Support Engineer, Network Server Solutions Group
    Mitel Networks, Ottawa, ON                 +1 613 592 2122 (x2513)
---------------------------- [EMAIL PROTECTED]  ------------------------

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