Recently, I purchased a WatchGuard XTM515 Firewall for our company usage. Its price is lower than CISCO and Juniper, but higher than Zyxel and Huawei. So far, WatchGuard is very stable and easy to use. I configured it as the following screen dump for your reference. As a conclusion, I will recommend WatchGuard XTM515 Firewall you.

My Network Port Connection:

1. Port # 0  for management console
2. Port # 1  for internal network LAN connection
3. Port # 5 & 6 for external broadband WAN connection

Management Connection Setup in two ways as below:

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1. 前言

防火墙是电脑网络的重要设备，可以监控和保障网络的通讯，确保资讯流通的效率和安全，这设备已是现今必不可少的工具。

2. 现时的防火墙问题

约於十月中开始，本工厂的防火墙设备运作不稳定，连接外网经常断线，影响员工的上网，可是重新启动防火墙後便回复正常。以前每个月需要重启防火墙一至二次，现时每天也有机会需要重启，这可能是因为防火墙设备老化，所以本部建议更换防火墙设备。 Read More

1. Introduction

In an enterprise network, there are various types of traffic. But most of the company’s Internet bandwidth is limited. All traffic will contend for it and may result in some important traffic, such as traffic getting slow or even starved. Therefore, intelligent bandwidth management for improved productivity becomes a matter of high concern for network administrators. To protect our network security, I am now using a Zywall USG 300 Firewall because its price is good and its performance is acceptable. I summarize its configuration in this document for your reference. Read More

1.        Background

According to security improvement, our company decided to install a firewall within our computer network system in order to protect the network system from outside hacking. The firewall should be able to regulate outbound and inbound network traffic between the LAN and WAN network. Read More