Nada Abdulla Ahmed

 SmoothWall Express is an open source firewall distribution based on the GNU/Linux operating system. Designed for ease of use, SmoothWall Express is configured via a web-based GUI and requires absolutely no knowledge of Linux to install or use.  SmoothWall Express enables you to easily build a firewall to securely connect a network of computers to the Internet.

The goals of the smoothwall can be summed up as:  Be simple enough to be installed by home users with no knowledge of Linux  Support a wide variety of network cards, modems and other hardware  Work with many different connection methods and ISPs from across the world  Manage and configure the software using a web browser  Run efficiently on older, cheaper hardware  Develop a supportive

Minimum Hardware Requirements Any Pentium class CPU and above with a recommended minimum of 128MB RAM 64bit build for Core 2 systems

SmoothWall Express supports the following network configuration types: ExplanationType a network interface card (NIC) to connect to the internal network it is protecting a modem or ISDN card to connect to the Internet or external network. Green (Red is modem/ISDN) a NIC to connect to the internal network it is protecting a NIC to connect to a de-militarized zone a modem or ISDN card to connect to the Internet or external network Green +Orange (Red is modem/ISDN) a NIC to connect to the Internet or external network. Green +Red Green +Orange + Red Green + Purple (Red is modem/ISDN) a NIC to connect to the internal network it is protecting a NIC to connect to a wireless network a NIC to connect to a de-militarized zone a modem or ISDN card to connect to the Internet or external network Green +Purple+Orange (Red is modem/ISDN ) a NIC to connect to the internal network it is protecting a NIC to connect to a wireless network a NIC to connect to the Internet or external network. Green + Purple+ Red a NIC to connect to the internal network it is protecting a NIC to connect to a wireless network a NIC to connect to a de-militarized zone a NIC to connect to the Internet or external network Green + Purple+ Orange + Red

Accessing SmoothWall Express for the First Time

SmoothWall Express offers these features:  Detailed reports wonderful system for everything related to the network  Supports LAN, DMZ, and Wireless networks, plus Extrnal  Cash fast with reports of sites visited  Has a filter to filter sites  There is more than its anti-virus and is updated automatically  You can make a vpn connect users to data encryption, confidentiality and protection  Has a great firewall you can control it with ease and customize  Free of all the system updates  You can access it from outside the network and control  The possibility of recording conversations  Through the quality of service to improve the quality and performance of the service

Control Tab :The Control section contain SmoothWall Express’s home page which is the main status page.

About Tab SmoothWall Express Status Displays a list of core and optional services.

Advanced :current configuration and resource usage about SmoothWall Express.

Traffic Graphs :Displays statistical graphical and numeric data based on traffic across SmoothWall Express’s network interfaces

Bandwidth Bars :Displays realtime network bandwidth usage bars.

Traffic Monitor: Displays realtime network bandwidth usage graphs.

Your SmoothWall Express : Displays credits and copyright information and enables you to register your SmoothWall Express and create a MySmoothWall profile.

SmoothWall Express Services Tab enable and manage web, instant messaging, POP3, SIP DHCP, dynamic DHCP and intrusion detection system services.

Instant Messaging Proxy : (IM) proxy service enables you to log IM conversations and file transfers on the green neatwork and the purple network if it is enabled

AV Scanning the POP3 Proxy : SmoothWall Express can Anti-Virus (AV) scan POP3 s as they are downloaded from external mail servers to clients running on the green and purple networks.

The Session Initiation Protocol SIP : able to proxy Real- time Transport Protocol (RTP) traffic, and will solve some of the problems involved in setting up VoIP behind NAT. Configuring the DHCP Service Dynamic DNS Static DNS Managing the Intrusion Detection System Configuring Remote Access using the secure shell (SSH) Configuring Time Settings the date and time, synchronise time with a network time server.

(IDS) detects potential security breach attempts from outside your network. This service only detects intrusion attempts, it does not prevent them.

Network Tab Managing incoming and outgoing traffic Controlling internal traffic and access to services Blocking specific IP Configuring timed access to the Internet Managing Quality of Service (QoS) Configuring Dial-up Connections Working with interfaces.

ip block block external IP addresses from accessing SmoothWall Express and any machines behind it.

We can configure up to five different dial-up connections that can be used to connect SmoothWall Express to an ISP via ISDN, USB ADSL or an analogue modem

Networking > interfaces to configure and edit network interfaces, DNS and gateway settings

VPN : SmoothWall Express enables you to create Pre-Shared Key, IPSec VPN connections to other SmoothWall Express systems or IPSec-compliant hosts which have static IP addresses

Accessing System Logs Tab 1. system

2. Web Proxy Logs

3. Firewall Logs

4. IDS Logs

5. Instant Messages Logs

6. Logs

SmoothWall Express Tools Tab IP Tools Ping Traceroute

shell : The web-based secure shell (SSH) remote access tool enables command line administration of the SmoothWall Express system through a web browser.

Maintenance Tab From time to time, security and product updates are rolled out to all SmoothWall Express systems. You can use SmoothWall Express to check for and install updates  Updating Automatically

 Updating Manually

The End