![]() Now start Putty.exe or any other SSH-program and login (username: root + your password). Then go to Administration -> Services and enable SSHD. ![]() If you not have done until now, go to Administration -> Management and enable JFFS2 and Clean JFFS2 JFFS2. Sure you also can use it without jffs2, but then you are somewhat limited with the size of the firewall you can build.įlash the Linksys device with dd-wrt v23 final (Go to Administration -> Firmware Upgrade). Use of FWBuilder 2.0.10-1 with DD-WRT V23 + JFFS2 Try if you can to ping your router while it's booting. (My recommendation: press reset and hold while you power on, reset at least for 30 seconds and power off. If that happens, follow some descriptions how to recover from a bad firmware flash. OTHERWISE YOU ARE OUTSIDE OF YOUR WALL (THAT'S REALLY SECURE, ISN'T IT?). NEVER FORGET TO ALLOW SSH ACCESS IN A RULE TO YOUR FIREWALL. The basic ruleset is not secure because it allows any connection to extern. There are some points, you should take care of: If you confirm this page, you'll see a dialogue about installing the firewall. The username is "root" and you need to enter your password here. Firewall Builder needs the connection details now. The next step is compiling your firewall rules. This will prompt you, where to save the fwbuilder file on your computer for later configuration. Press the icon with the computer and the two arrows. Now you are ready to install your first iptables firewall with Firewall Builder.You can download them free of charge on the net. On Windows I use pscp.exe and plink.exe as recommended. Just go to edit->configuration and choose the tab "SSH". The next step is to tell Firewall Builder where to find the ssh tools.(Just do a right click on the 0 and choose "delete rule".) In my opinion, the first one can't work (or better - this rule will break your DHCP for the first configuration.) So delete rule number 0. In the big field you see the rules of your firewall. ![]() Firewall Builder will prompt you, that it can do some changes for you automatically. Double Click this interface and change the name from "vlan1" to "ppp0". There should be one interface, called "outside (dyn ext)".
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