Introduction to Firewalls
Filed Under Uncategorized | Posted on July 24, 2009
A firewall is a hardware or software system that prevents unauthorized access to or from a network. They can be implemented in both hardware and software, or a combination of both. Firewalls are frequently used to prevent unauthorized Internet users from accessing private networks connected to the Internet. All data entering or leaving the Intranet [...]
Introduction to Packet Fragmentation
Filed Under Uncategorized | Posted on July 24, 2009
Each network imposes some maximum size on its packets. The network designers are not free to choose any maximum packet size they wish as there are various factors like hardware, operating system, protocols, compliance with some (inter)national standard, desire to reduce error induced transmissions to some level and desire to prevent one packet from occupying [...]
