Quick question,
For the block of ip addresses that the UTM manages, how do you stop web traffic from redirecting to the user portal if that IP address is not assigned to anything?
For example, let say the firewall manages two ip addresses, one is for a webserver port 80/443 only and the other is for an smtp server port 25 only.
If I have a NAT rule for the webserver, when I type in the ip address of website into a browser, it makes its way through the firewall to the proper web server behind the firewall and shows the web page ok.
However, If I type in the address of the mailserver into the browser which has no web nat rule, it simply redirects the traffic to the web portal. I wish to stop this, how do you make the traffic simply die?
Thanks.
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