One of my friend asked me, Do you know how to do configuration of Cisco PIX and how to configure PPPoE.

I researched on it and wanted to share little bit, This article will helps network guy not software developer   

What Does a PIX Do?

The PIX is a firewall appliance based on a hardened, specially built operating system, PIX OS, minimizing possible OS-specific security holes. The PIX has received ICSA Firewall and IPsec certification as well as Common Criteria EAL4 evaluation status.

PIX firewalls provide a wide range of security and networking services including:

• Network Address Translation (NAT) or Port Address Translation (PAT)
• content filtering (Java/ActiveX)
• URL filtering
• IPsec VPN
• support for leading X.509 PKI solutions
• DHCP client/server
• PPPoE support
• advanced security services for multimedia applications and protocols including Voice over IP (VoIP), H.323, SIP, Skinny and Microsoft NetMeeting
• AAA (RADIUS/TACACS+) integration

for more details Click here