Articles by sohaileo
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How To Configure Dynamic DNS (Fedora Core 4 Setup)
Author: sohaileo • Tags: dns, fedora, bind • Comments: 2How To Configure Dynamic DNS (Fedora Core 4 Setup) In this howto we will learn how to build a Dynamic DNS Server. Normally when we configure DNS, we use static entries to resolve any FQDN. If we are using DHCP in our network which gives dynamic IPs to every computer that turns on or requests one, then it is not possible to configure DNS statically. For that we should configure our DNS with DHCP in a manner that whenever a computer gets a new IP, its FQDN will be automatically updated with the new IP in DNS.
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Anonymous Proxy Using SQUID 3 On CentOS 5.x
Author: sohaileo • Tags: centos • Comments: 21Anonymous Proxy Using SQUID 3 On CentOS 5.x This howto describes step by step a method to install a SQUID 3 server as an Anonymous Proxy. An anonymous proxy is a tool that attempts to make activity on the Internet untraceable. It accesses the Internet on the user's behalf, protecting personal information by hiding the source computer's identifying information. Simply say to hide your IP.
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How To Set Up Linux As A Dial-In Server
Author: sohaileo • Tags: linux • Comments: 7How To Set Up Linux As A Dial-In Server This document describes how to attach modems to a Linux box and allow it to receive calls to connect users to the network. Its like being your own ISP (Internet Service Provider). If your Linux box is connected to the Internet, then the users will also be connected to the Internet. Your Linux box becomes a router. This is also known as RAS (Remote Access Services) in the Microsoft world. In the Linux world its called PPP (Point to Point Protocol).
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Postfix with dkfilter (DomainKeys Implementation)
Author: sohaileo • Tags: antivirus, postfix • Comments: 5Postfix with dkfilter (DomainKeys Implementation) DomainKeys is an anti-spam software application in development at Yahoo that uses a form of public key cryptography to authenticate the sender's domain. dkfilter is an SMTP-proxy designed for Postfix. It implements DomainKeys message signing and verification. It comprises two separate filters, an "outbound" filter for signing outgoing email on port 587, and an "inbound" filter for verifying signatures of incoming email on port 25. This document is to describe step by step how to install dkfilter for postfix to deploy domainkeys signing and verification.