Asante Technologies user manual Asante IntraCore IC36240

Other types of traffic to consider include the following.

External protocols and IP Addresses

•ICMP from service provider IP Addresses

Explicitly permitted return traffic for internal connections to the Internet

•Specific Internet Control Message Protocol (ICMP) types

•Outbound Domain Name System (DNS) query replies

•TCP established

•User Datagram Protocol (UDP) return traffic

•FTP data connections

•TFTP data connections

•Multimedia connections

Explicitly permitted externally sourced traffic destined to protected internal addresses

•VPN Traffic

•HTTP to web servers

•Secure Socket Layer (SSL) to web servers

•FTP to FTP servers

•Inbound FTP data connections

•Simple Mail Transfer Protocol (SMTP)

•Other applications and servers

•Inbound DNS queries

•Inbound DNS zone transfers

Important: By default, if no conditions match, the software rejects the address.

The switch supports two types of access lists:

•Standard: access list numbers 1–99 and 1300–1999 (expanded range)

•Extended: access list numbers 100–199 and 2000–2699 (expanded range)

59 Asante IntraCore IC36240 User’s Manual