As a cybersecurity professional, you will come across many technical terms and jargon in the field. One of the terms that we often hear in cybersecurity is “payload.” In simple terms, a payload refers to the part of a malicious …
Cyber attacks are becoming more common and sophisticated, which means businesses need to be more prepared than ever before. The COVID-19 pandemic has brought with it a rise in remote work, leading to an increased reliance on technology for business …
Let’s understand the difference between “Reset” and “Factory-Reset”. Reset – Admin can only wipe-out the configuration Factory-Reset/Default – Admin can wipe out the configuration of device and put the device in default operation/firmware. For Example, when you buy a Firewall, …
Checkpoint Firewall Packet Flow In the above image Checkpoint Firewall packet flow is shown. Let’s start with Anti-spoofing. Anti-Spoofing Anti-spoofing is a technique which can identify the packet and drop it if the packet has a FAKE/False source address. Let’s …
You might not know, but every domain name (website) has a unique IP address which makes it accessible to the network and users. If you are thinking about why a website has an IP address, then take into account that …
Firewalls have come a long way and have been there for decades to provide protection against malicious attacks and intrusions. In their infancy days firewalls were a simple filtering mechanism based on ports and IP addresses. But over time, firewalls …
Overview The IPSEC NAT Traversal feature introduces IPSEC traffic to travel through Network Address Translation (NAT) or Port Address Translation (PAT) device in the network by addressing many incompatibilities between NAT and IPSEC. NAT Traversal is a UDP encapsulation which …
In order to access the Internet, we need one public IP address; however, we can use Private IP address in private networks. The Network address translation (NAT) allows multiple devices to access the Internet with a single public IP address. …
In the previous post we discussed the Architecture of Palo alto firewall. Now, we will discuss the NAT configuration and NAT types in Palo alto. Network Address Translation (NAT) allows to translate private, non-routable IP addresses to one or more …
NAT Type 1 vs 2 vs 3 Nowadays, the 2 major gaming console types used extensively around the globe are Sony PlayStation Microsoft Xbox NAT stands for Network Address Translation, which represents the ability to translate a public IP address …
FortiGate packet flow is also known as Life of a Packet. This is the process when the packet enters the Ingress interface and exits from the Egress interface. Stages of FortiGate Packet Flow FortiGate packet flow consist of 4 stages …
(Diagram depicting Palo Alto vs Fortinet Firewall) Organizations need to keep pace with rapid increase in technology demands such as remote working, anywhere connectivity, lower latency , increased availability along with protection of infrastructure from a never ending list of …
Attackers are constantly looking for vulnerabilities to penetrate your networks. Protection against direct, external threats require extensive network security functions deployed on the edge. Protections on the edge are provided by stateful and next generation firewalls (NGFWs) which offer features …
Firewalls are the primary line of defense for organizations; they are there for more than three decades but evolved and came a long way with drastic features and also sold now as separate appliances and make smarter decisions about what …
Introduction to Palo Alto Interface types/ Deployment Modes The entry and exit point of traffic in a firewall is enabled by the interface configurations of data ports. Palo Alto being a next-generation firewall, can operate in multiple deployments simultaneously as …
DNS Working Before understanding the Split Domain Name System, let’s discuss how normal DNS resolution works for Internet traffic. However, DNS works to resolve names to IPs. When an Internet client open a Web-browser and type www.networkinterview.com Internet Client will …
Whether you own a small business or manage a large enterprise, ensuring customer data security is a top priority. To that end, businesses must adhere to the Payment Card Industry Data Security Standard (PCI DSS), a set of security requirements …
What is FortiClient? FortiClient is an app to provides UTM features like web filtering, giving web security and content-based filtering. FortiClient app is installed in the user’s system and tracks the traffic based on policy. The web application firewall offers malware …
Introduction to Firewall In todays digital scenario, where businesses demand agility and information are hosted on cloud infrastructure security of data is one of the primary concerns of business and protection of data from unwanted sources is the prime objective. …
You must have heard the word ‘hacker’ multiple times in cybersecurity. The organizations have trained security staff to take care of cybersecurity threats. Hacking is generally referred to as someone gaining access to your network and systems by unauthorized means. …
With the rise of technology and the internet, the world has become more connected than ever before. From online shopping to social media, we rely heavily on technology in our daily lives. While technology has made our lives easier, it …
The Cisco Firepower Threat Defense (FTD) and Cisco Adaptive Security Appliance (ASA) are two types of security appliances that provide various features and capabilities to companies. These appliances were created with the intention of safeguarding businesses from cyber threats. Today …
Maintaining the security of your personal or business network and Internet connection is essential in today’s digital world. With the rise of sophisticated cyber threats, identity theft, and data breaches, protecting yourself from potential risks is becoming more critical than …
Note: This document is for those seekers who have prior knowledge of SD WAN and want to enhance SD WAN concept in Checkpoint perspective. This blog covers below topics of Checkpoint SD WAN: Quantum CheckpointSD-WAN concept Architecture Application basic traffic …
figure:1 As more and more systems are Internet facing due to high penetration of cloud and associates’ applications and services, the need for a very strong security system at perimeter or gateway to enterprises is becoming more and more crucial. …
VPNs allow access to restricted sites with secure connection. In FirePower devices we can configure site to site VPN on FTD devices. The site to site VPN is configured for FTD devices using the FirePower Defence management console. In today’s …
Site-to-Site VPN Overview A VPN connection that allows you to connect two Local Area Networks (LANs) securely is called a site-to-site VPN. Route based VPN can be configuring to connect Palo Alto Networks firewalls located at two sites or to …
In our previous post, we have already discussed the IPSec VPN Configuration in Fortigate Firewall. Here in this post we will understand how to trouble shoot the FortiGate VPN tunnel IKE failures. We are using below topology to troubleshoot the …
A remote access VPN (virtual private network) allows clients who are working remotely to firmly access and utilize applications and servers that deploys in the office Data Centre and head office, encrypting all VPN traffic the users send and receive …
Overview In our previous article, we studied IPSec VPN Set Up. In this article we will run through CLI commands and GUI steps to configure an IPSec VPN, including the tunnel and route configuration on a Palo Alto Networks firewall. …
Before digging deep into Palo alto SSL Decryption, let’s first understand what is Decryption? What is Decryption? Palo Alto firewalls can be decrypt and inspect traffic to gain visibility of threats and to control protocols, certificate verification and failure handling. …
Encrypting SSL traffic is critical for user privacy and to securely conduct business across the net. Indeed we have seen a huge rise in websites shifting to SSL in recent years. This is a good thing however traffic can be …
What is Checkpoint VSX? Checkpoint VSX full form is Virtual System eXtension (VSX), a product that runs multiple virtual firewalls in the same hardware firewall. You can purchase hardware appliances with Licence of Virtual firewall. Using one hardware you will …
User identity information helps to identify the source of policy breaches, attacks or network vulnerabilities and trace them to specific users. Majority of traffic inspection products support filtering based on IP address. However, Cisco FTD identity policy feature gives the …
Cisco FTD NAT: Introduction An IP address is the basis of every communication over the network and Internet. Each computer device is assigned an IP address within an IP network which identifies the host as a unique entity. But due …
(FTD Deployment Modes: Routed, Transparent, Inline, Inline with tap, Passive SPAN, Passive ERSPAN) Cisco FTD design and deployment implementation involves setting up firewall, SSL inspection, NAT, IPS and active/standby HA. Deployment model determines placement of FirePower into the network as …
Pic: Showing How Cisco FTD URL Filtering works URL filtering or content filtering is one of the key features of firewalls. It helps to prevent access to harmful and malicious content which could cause data loss, system crash, virus or …
High availability (HA) refers to a system or component that is operational without interruption for long periods of time. High availability (HA) is measured as a percentage, with a 100% percent system indicating a service that experiences zero downtime. High …
To ensure uptime and continuous availability in the event of disaster is a required key feature for any production environments be it servers, networks and other computing equipment. All Cisco devices majority support high availability (HA) also known as failover. …
Some protocols like HTTPS use Secure socket layer (SSL), transport layer protocol (TLS) to encrypt traffic for secure transmissions. As the system cant inspect encrypted connections we first must decrypt to apply access roles which consider higher layer traffic characteristics …
Majority of Cisco devices provide command line interface (CLI) as we call it to configure, manage and troubleshoot devices. Use of CLI allows users to execute Cisco IOS commands directly and simply as well as via remote access. In today’s …
In the evaluation of next generation firewalls (NGFW), the next leap made by Cisco FTD is (Unified Firepower threat defence) software which includes not just NGFW but also Next generation Intrusion prevention systems (NGIP), Advanced Malware protection (AMP) and many …
Introduction to Web Application Vulnerabilities Web application vulnerabilities are glitches or imperfections found in the system. These can lead to security risks, such as cyber-attacks or data breaches. Sadly, these risks occur more often than network or asset dangers. According …
Career in Cybersecurity In this digital world, data is everywhere. This ensures that there are ample opportunities for people who have a passion for ethical hacking, known as “ethical hackers” to find jobs with companies that need their services. A …
Companies of all sizes are becoming increasingly aware of the need for stronger user authentication to reduce the risk of cyber attacks. This is particularly true in light of recent high-profile attacks on accounts from Internet users such as celebrities, …