We have introduced several hardware firewalls on this website so far. In this post also, we intend to do the same. Watchguard is one of the well-known manufacturers of network security products. We have examined several well-known firewalls in the network world. Now it is time to check the firewalls of this manufacturer. Watchguard generally [...]
You know that firewalls exist in both as software and as hardware devices. Each has its advantages and disadvantages. In general, the use of software firewalls for home use, personal use and small businesses is recommended, as well as the use of hardware firewalls for medium and large businesses. To read: All things about firewall [...]
This post is about Cisco Firewalls. It aggregates available information from datasheets published by Cisco. The ASA in Cisco ASA stands for Adaptive Security Appliance. We suggest that you read the following two posts before continuing to read this post: All Things about Firewall Hardware Firewalls In fact, Cisco ASA is a security device that combines [...]
Each network administrator wishes to be able to document the assets related to the computer network in such a way that this documentation always: Be up to date Be reliable Be available This can be done manually: someone examines the assets and records them on a piece of paper or in a spreadsheet file. But [...]
Zero-day is a flaw in software, hardware or firmware that it has the potential to be exploited by cybercriminals. In other words, zero-day is a vulnerability in a system or device that has been disclosed but is not yet patched. A zero day exploit is a cyber-attack that occurs on the same day a weakness [...]
We have already published posts about firewalls and also hardware firewalls. In this post, we'll take a look at pfsense firewalls to help you understand the different aspects of pfsense firewalls. pfSense is an open source firewall/router computer software distribution based on FreeBSD. This firewall developed by Rubicon Communications, LLC (Netgate). It is installed on [...]
We have already published posts about firewalls and also hardware firewalls. In this post, we'll take a look at sonicwall firewalls to help you understand the different aspects of sonicwall firewalls. SonicWall next-generation firewalls (NGFW) provide the security, control and visibility you need to maintain an effective cybersecurity posture. SonicWall NGFWs are designed in four [...]
First of all, we recommend that you read our other post entitled "TCP/UDP Ports". But, what are free port scanner tools? A port scan learns which ports on a router or firewall are open, and can use this information to find a computer system’s potential weaknesses. A port-scanner tool asks about each port, one at [...]
We, as individuals or organizations, often need to securely transfer files over the Internet to another person or organization on the Internet. In this post, we will try to get acquainted with the common solutions for this purpose and examine these file transfer methods from a security point of view. Sending a file over the [...]