Tags » Firewall

3 Reasons to Check If Your Firewall Is Working Efficiently

If you run your own business, chances are you will want to protect your IT system by installing a firewall.  A firewall will help to protect your IT network from external threats, such as Trojans and hackers as well as from internal threats, like preventing employees logging on to social media accounts or gaming sites during their breaks. 380 more words

IT Support

SOPHOS UTM

Overview

Free Home Use Firewall is a fully equipped software version of the Sophos UTM firewall, available at no cost for home users – no strings attached. 304 more words

PF Sense firewall project – Part 1 - hardware choice...

Hello All,

My PFSense firewall is now fully operational. It is working perfectly fine and so far I did not noticed any problems or unexpected behavior. 440 more words

Hardware

Iptables Command

Deny access to a specific IP address:
# iptables -I FORWARD -d 123.123.123.123 -j DROP (K24 Only)
iptables -I FORWARD 1 -d 123.123.123.123 -j DROP (K26 and K3.x) 795 more words

Basic Commands

How to check if firewall ports are open

You might need to check whether some ports are open in an environment where Firewall are between servers.

Telnet is the tool to check the connectivity. 93 more words

Access Control Measures I Deploy...

Even in an amateur setting, access controls play an important role in basic network security. Here are some elements I use or interact with on a daily basis: 348 more words

InfoSec

PF Sense firewall project – Part 0 - network design...

Hello All.

I would like to start the PF Sense firewall project series from the little description of what I do expect from my new home network setup. 490 more words

Firewall