Archive for the ‘Internet’ Category

High speed internet and security are keys to boost productivity

In this decade, high speed internet connections become our need.  Why?  Because all of the content of  the best websites contain multimedia streaming, such as video, audio, voip, radio internet and much more.  They need more bandwidth resources.  We can see video at youtube smoothly without break time.  or If we can upload many photo [...]

Port Forwarding in Endian Firewall 2.1.2

By default, firewall will deny unauthorized requests from internet to access the services in the internal LAN. But sometimes we want to access mail server, or our internal web server from the internet, port forwarding is one of them so that people from internet can access mail service and our internal web server. Port Forwarding [...]

Security in Wireless Ad Hoc and Sensor Networks

Security in Wireless Ad Hoc and Sensor Networks Download link

Building SMTP Proxy with Endian Firewall 2.1.2

We are faced attacks by spammer, especially if our mail server are not given the protection of adequate anti-spam program. Network Administrator or the Admin’s Mail Server often gets complaints from end user, of course this is quite tiring. Loss bandwidth due to spam attack that is quite intensive. The utmost resources of the Mail [...]

How to block Skype in Endian Firewall

Skype is a voip application which is based on the dynamic protocol or port. Here’s how to block skype in Endian firewall. First, with the outgoing firewall and allow only certain port that really needed, so that skype can not be used in a standard port, and will be gone through HTTPS. Second, with the [...]