What ports do you have open for access from the outside? What ports do you HAVE TO have open? What do you mean by hijacked by spammers? Do you mean you have an SMTP server that is being used as a relay? If so, lock out SMTP access from outside your local subnet. -----Original Message----- From: Marc Lingenfelter [mailto:marclingenfelter@xxxxxxxxxxxxxxxxxx] Sent: Thursday, August 08, 2002 7:42 AM To: [ISAserver.org Discussion List] Subject: [isalist] Hijacked http://www.ISAserver.org It appears my system has been Hijacked by Spammers. How can I block all IPs from entering through ISA and then gradually allow selected IP and/or domains access. Marc Lingenfelter ------------------------------------------------------ You are currently subscribed to this ISAserver.org Discussion List as: bkuhn@xxxxxxxxxxxxx To unsubscribe send a blank email to $subst('Email.Unsub')