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] ------------------------ -- Please report bugs to [EMAIL PROTECTED] Please mail [EMAIL PROTECTED] (only) to discuss security issues Support for registered customers and partners to [EMAIL PROTECTED] To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] Archives by mail and http://www.mail-archive.com/devinfo%40lists.e-smith.org