ZyXEL Communications ZYWALL10 Step, Step, Step, Figure 19-6Send Alerts When Attacked

ZyWALL 10 Internet Security Gateway

Step 1. First you want to send alerts when there is an attack. Go to the Attack Alert screen (click Configuration, then the Attack Alert tab) shown next.

Check this box to send alerts when there is an attack.

Figure 19-6 Send Alerts When Attacked

Step 2. Configure the E-mailscreen as shown in example 1: your mail server’s IP is 192.168.10.2. Step 3. Now you want to restrict access to the Internet except for the HTTP proxy server and your mail

server. First you need to create a custom port for POP3. POP (Post Office Protocol) is an Internet mail server protocol that provides an incoming message storage system. It works in conjunction with the SMTP (Simple Mail Transfer Protocol), which provides the message transport services required to move mail from one system to another. The current version is called POP3. Click Custom Ports and configure the screen as follows.

Example Firewall Rules 19-7