444Part IIIChoosing and Installing a Linux DistributionRunning the (Bulletproof web design)
444Part IIIChoosing and Installing a Linux DistributionRunning the Coyote Linux Floppy FirewallTo start up your firewall, simply insert the floppy disk into your firewall computerand reboot. The firewall should come up as you configured it to run. There is nodirect shell interface from the firewall s console once it s up and running. In fact, you don t even have to have a monitor on the firewall because you won t see a loginprompt anyway. Any administration of the firewall should be done over your LAN. If you configured it as just described, your firewall is now: .Offering addresses to the computers on your LAN using DHCP. .Launching a dial-up connection from your firewall to your ISP as soon anyonefrom your LAN or the firewall itself tries to access the Internet. .Allowing traffic from your LAN to the Internet. .Offering login (sshd) and Web administration service to you from your LAN. If the firewall is not behaving as you would like it to, go to the next section to fur- ther tune it. Managing the Coyote Linux Floppy FirewallWith the firewall up and running, you almost surely will want to manage it further. There are a couple of ways to access your running firewall so that you can changeits configuration, with a Web interface or a remote login. Before you can use theremote login, however, you must change the system (root user) password, and thatcan only be done through the Web interface. Using a Web InterfaceThe Coyote Linux Web Administrator can be run from any browser on your LAN toview and change your firewall configuration. It is available from that machine onport 8180. To access the site you configured in the preceding example, you d typethe following in the location box on your browser: http://192.168.0.1:8108. The first thing you want to do is click the System Password button in the main menuand add a password for the root user. Figure 17-3 shows the Internet configurationthat was set up to dial out to the Internet in the previous section. Using a Remote LoginThe firewall floppy was configured to run the sshd daemon, enabling you to log inover your LAN (using the ssh command) to access your Coyote Linux firewall fromthe shell. In the example, you could type: # ssh -l root 192.168.0.1root@192.168.0.1 s password: *******
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