Linux Demilitarized Zone (DMZ) Ethernet Interface Requirements and Configuration

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Articles & tutorials Backup & Archiving Databases Email Clients Email Etiquette Mobility Operating Systems Security Smart Setups Clustering Virtualization Studies & Benchmarks Support Services Web Integration Messaging news Google Says Infected Spam Is Getting Worse The company's Postini corporate e-mail security service reported... AXIGEN Certified Engineer Training Course The AXIGEN Mail Server – "Certified Engineer"... High Availability for SMB; Clustering for Extended Setups FREE Webinar. Find out more about the webinar and... Upcoming events Software Business 2008... Conference, workshops and bootcamps for executives and managers of...	Linux Demilitarized Zone (DMZ) Ethernet Interface Requirements and Configuration Submited by cristina, on 2008-02-26, in Smart Setups Demilitarized zone, used to secure an internal network from external access. You can use Linux firewall to create DMZ easily. There are many different ways to design a network with a DMZ. The basic method is to use a single Linux firewall with 3 Ethernet cards. The following simple example discusses DMZ setup and forwarding public traffic to internal servers. Consider the following DMZ host with 3 NIC: [a] eth0 with 192.168.1.1 private IP address - Internal LAN ~ Desktop system [b] eth1 with 202.54.1.1 public IP address - WAN connected to ISP router [c] eth2 with 192.168.2.1 private IP address - DMZ connected to Mail / Web / DNS and other private servers full article comments (0) \| email this \| Rating: Leave a comment Full Name * E-mail * URL: Note: all fields marked with (*) are required Comments (0) To: Subject: Body: Verification code:	Why Register? Already a member? Blacklist monitoring alerts Signup for our real-time monitoring service and receive email notifications each time one of your IPs gets blacklisted. Mail Server Operating System Poll .01 What OS do you use for your email server? Linux Windows Other .02 How many mailboxes do you currently manage? 1-50 51-300 300+ .03 Would you like to comment upon the choosing of this particular OS? DNS Tools Get IP status, owner and location, obtain its corresponding hostname or check specific ports. Ping Statistics Reverse DNS Lookup Whois Info (IP owner) GeoIP Information Check Port Open Relay Test Test if your mail server is an open relay for spammers. Blacklist Checker Check if your IP is listed in DNS based email blacklists (DNSBL)