Q. What would be the use of a linux firewall in a home network? Is there any point in making one?
A. The primary purpose would be to learn more about how firewalls, routers and IPTables work. It used to be that it took some big iron to run firewall and router software, "back in the day"
Today, of course, you can buy a $40 home router that does most everything you need
Here are some other reasons to set up a Liniux
1. you want to monitor all traffic in and out of your home network. Using a Linux machine as a router/firewall allows you to tap the Ethernet port with Wireshark and sniff the traffic coming to and from the whole network, not just one machine..
2. You want complete control of what all the machines can do and when they can do it on the network.
Home routers give you some control.
A Linux firewall/router gives you control that only a high priced router can give you.
Bandwidth allocation and limits are not available on low end home routers. Linux would give you the same controls as a full business router costing $500 or more.
But these days - mostly for fun and to learn
Today, of course, you can buy a $40 home router that does most everything you need
Here are some other reasons to set up a Liniux
1. you want to monitor all traffic in and out of your home network. Using a Linux machine as a router/firewall allows you to tap the Ethernet port with Wireshark and sniff the traffic coming to and from the whole network, not just one machine..
2. You want complete control of what all the machines can do and when they can do it on the network.
Home routers give you some control.
A Linux firewall/router gives you control that only a high priced router can give you.
Bandwidth allocation and limits are not available on low end home routers. Linux would give you the same controls as a full business router costing $500 or more.
But these days - mostly for fun and to learn
Linux users - does the Linux firewall block/make it difficult to watch video or film online?
Q. I am learning about Linux because Im thinking of changing my OS to Linux and trying to find out some pros and cons. I sometimes stream film from sites or watch you tube and Im wondering if Linux will interfere with this.
A. Linux won't really need a firewall. I run a number of Linux machines without any security software and they're fine. Linux is a lot more secure than Windows (Or Mac OS, for that matter), and because it's not used as widely, less viruses are produced for it.
The only issue you might have is that Flash isn't very well supported in Linux - you won't get very good frame rates in full screen, high quality video. Still, if your computer's powerful enough, it should be fine.
Linux is a fantastic platform, which is rapidly becoming more and more user friendly. I urge you to try out Ubuntu, from http://www.ubuntu.com. From there, you can create a Live CD, so you can test Ubuntu without installing it!
The only issue you might have is that Flash isn't very well supported in Linux - you won't get very good frame rates in full screen, high quality video. Still, if your computer's powerful enough, it should be fine.
Linux is a fantastic platform, which is rapidly becoming more and more user friendly. I urge you to try out Ubuntu, from http://www.ubuntu.com. From there, you can create a Live CD, so you can test Ubuntu without installing it!
Should http traffic be blocked to enable non transparent proxy?
Q. Hello everyone,
I would like to know if HTTP traffic should be blocked on Linux based firewalls to enable non transparent proxy (ie automatic redirection to a login page when a user tries to open any webpage).
Thanks...
P.S:The firewall I'm using is ENDIAN firewall.
I would like to know if HTTP traffic should be blocked on Linux based firewalls to enable non transparent proxy (ie automatic redirection to a login page when a user tries to open any webpage).
Thanks...
P.S:The firewall I'm using is ENDIAN firewall.
A. I think you're more interested in port forwarding than blocking in this case.
Say if I've got squid running on my firewall box and it's accepting connections on port 8080, Web browsers are still going to send requests off to port 80 for HTTP and port 443 for HTTPS requests. It's just the way they work (unless you override it with the :portno at the end of the domain name).
It's the firewalls job to redirect port 80 requests to port 8080 where the proxy is listening and then the proxy can handle the request on behalf of all the hosts you've got on your LAN.
Say if I've got squid running on my firewall box and it's accepting connections on port 8080, Web browsers are still going to send requests off to port 80 for HTTP and port 443 for HTTPS requests. It's just the way they work (unless you override it with the :portno at the end of the domain name).
It's the firewalls job to redirect port 80 requests to port 8080 where the proxy is listening and then the proxy can handle the request on behalf of all the hosts you've got on your LAN.
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