I have a network that at the moment is isolated from the internet. We are going to connect it to an existing adsl line that has a firewall,but we want to add another firewall behind it as we do not have total control over the existing firewall. The only thing we want to allow is smtp access for one computer.
i setup endian firewall on a computer based on a Intel Core i5 with 4 intel network interface, i made all the necessary configuration and the firewall is performing well.
I've an old computer based on Intel Celeron with 4 mixed (Realtek, Intel, Broadcom) network cards.
How to Ensure Data Security by Using an Effective Firewall
By V K Rajagopalan
I need a firewall because I was decade long user of internet security suites on windows.
I need a robust/reliable/elegant way to handle any error conditions while re-loading firewall rules, some background:
our servers are using whitelist mechanism, which means there should be a large volume of rules if some server need to talk many different destinations.
we have another tool to generate a firewall rule file, which will feed to iptables/ipfilter, with very rare chance that the file
For the last years we've been using a Sonicwall PRO 2040 firewall in a relatively small hosting environment. But we want to upgrade to a faster box which also support IPv6 and preferably we'd like to stay with Sonicwall (as it has served us well over the years) and upgrade to a NSA 2400.
All this time we have run this firewall in so called 'transparent mode'.
Our office is using a multi-wan router as dhcp/router/firewall.
but now I want to put a pc with pfsense between that router and switch, so I can do more advanced firewall task like traffic monitor and content filtering.
after reading I found that pfsense can be a ip-less transparent firewall, so I just have to plug the cables to both NIC and done.
this solution looks easy and I dont have to chan
Managing A Single Firewall Policy For Multiple Servers Using Firewall Builder
In this tutorial we are going to cover how to use Firewall Builder
clusters to manage a single firewall policy that gets deployed on
multiple servers.
I have an extra desktop PC with 2 NICs that I'd like to use as my home firewall. I'll install a linux distro meant to be used as a firewall on the desktop.
I was thinking of placing it in between the cable modem and wireless:
modem <-> desktop_NIC1 <-> (firewall software) <-> desktop_NIC2 <-> wireless router <-> laptops, ipads, etc.