Advanced Configuration of IP Packet Filters Using FILTCFG

The following sections describe how to configure exceptions using FILTCFG to allow specific IP services through the Novell^® BorderManager^® 3.7 firewall when the action of the filters is to deny packets in the filter list. A server SET command to filter packets that have IP header options is also described.

• Choosing between Stateful or Static Packet Filters
• Setting Up an HTTP Filter
• Setting Up an FTP Filter
• Setting Up a Telnet Filter
• Setting Up an SMTP Filter
• Setting Up a POP3 Filter
• Setting Up a DNS Filter
• Filtering IP Packets that Use the IP Header Options Field

A server SET command to filter packets that have IP header options is also described.