Updating ipcop

IPCop requires very little disk space, as you can see.The only thing you'll need to watch here is the /var/log volume (typically /dev/harddisk3).

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Along the way, I'll also provide a few configuration tips that you may find helpful when you're first getting IPCop up and running.

Once IPCop is installed, you can access the Web interface via HTTP or HTTPS.

Next is Uptime And Users, which is self-explanatory and uses the typical Linux/UNIX output you would expect for uptime. If you have the typical firewall setup with two interfaces, you'll see eth0, eth1, and lo (loopback) in the Interfaces section.

This is the same information you get when you run the Linux command ifconfig (similar to ipconfig in Windows), which shows IP address, subnet mask, and interface statistics.

You have control over five of these services (IDS, DHCP, Web proxy, VPN, and SSH) and you can turn them off and on as needed, as I'll show you later in this article. If any of them are off, there could be a problem and you should try restarting IPCop to see if they come back on.

Next is the Memory section, which shows you the RAM and swap file usage of IPCop.The Kernel Version section simply shows the version of the Linux kernel that is currently running and also shows the fully qualified domain name of the IPCop firewall.In addition to these status updates, the Information screen also contains three graphical reports: traffic graphs, proxy graphs, and connections.The Remote Proxy option on the Web Proxy screen is for use if you already have an upstream proxy server at your company, or if you use a proxy server via your ISP.The Cache Size setting is for determining the amount of disk space (in MB) that you want to dedicate to the cache.IPCop, a Linux firewall distribution that turns an x86 machine into a firewall appliance, is relatively easy to install, as I described in my last article.

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