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Views: 1,745 Scenario:Make: Cisco [Firewalls, Switches, Routers]Model: ASA 5506-X, ASA 5506 W-X, ASA 5508-X, Cisco 2960, etcMode: CLI (Command Line Interface)Description: In this article, we will discuss the issue and solution of Timeout Error while data backup or image/IOS transfer through TFTP to Cisco ASA Firewalls, Switches and/or Routers in rommon mode. Sometimes we get “Unspecified Error … Read more
Views: 609 Introduction Telnet is an abbreviation of Terminal Network. Telnet provides connections to the remote computer in such a way that a local terminal appears to be at the remote site. Here we will discuss how to enable telnet service on Windows 10 machines i.e. on laptops or desktops. In Microsoft Windows 10 machines … Read more
Views: 1,164 Scenario:Make: CiscoModel: ASA 5506-X, ASA 5512-X, ASA 5508-X, 5506W-XMode: CLI (Command Line Interface)Description: In this article, we will discuss how to change the password of Cisco Firepower or the SFR module of Cisco ASA. If you are logging in for the first time then use the default username and password of Cisco Firepower … Read more
Views: 3,254 Scenario:Make: CiscoModel: ASA 5506-X, ASA 5512-X, ASA 5508-X, 5506W-XDescription: This article is to discuss the default username and password of the Cisco ASA Firepower or SFR module. This is valid for all Cisco 5500-x series firewalls i.e. ASA 5506-X, ASA 5512-X, ASA 5508-X, 5506W-X running on different versions of the software. Introduction If … Read more
Views: 342 What is it? Log4j is an open source Java Logging Library developed by Apache Foundation and is widely used in many applications by organizations. On Thursday 09-Dec-2021 a Zero-Day vulnerability CVE-2021-44228 was discovered in Java Logging Library Log4J version 2, which could result in the unauthenticated Remote Code Execution [REC] by logging a … Read more
Views: 1,891 Scenario:Make: UbiquitiModel: Ubiquiti Unifi Network devices [Access Points, Switches, Ubiquiti Security Gateway]Mode: Graphical User Interface [GUI]Description: This article is to discuss the issue and solution of the “STUN Communication Error” between the UniFi managed devices and the UniFi Network application. Problem STUN stands for “Session Traversal Utilities for NAT“, it provides a way … Read more
Views: 1,798 Google has announced in May’2021, the Two Factor [2-Step verification] authentication will be mandatory for all users by the end of the year 2021 and now it has been implemented from 9th Nov. It implies to all Gmail users and the 2-Step verification is mandatory now. There are options provided to opt for … Read more
Views: 415 v2, Last Updated: 08-June-2025Google has announced in May’2021, the Two Factor [2F] authentication will be mandatory for all users by the end of the year 2021 and now it has been implemented from 9th Nov. It implies to all Gmail users and the 2F authentication is mandatory now. There are options provided to … Read more
Views: 515 Scenario:Make: SonicWall Network Adaptive Appliances [NSA]Model: NSA 6600, NSA 3600, NSA 250M, NSA 2400 etcMode: GUI [Graphical User Interface]Version: 6.5.4.xDescription: This article is to discuss and show a stepwise method to configure a Site-to-Site IPSec VPN tunnel on SonicWall Network Adaptive Appliances [NSA]. SonicWall NSA supports two types of VPN tunnels.1. Tunnel Interface2. … Read more
Views: 4,402 Scenario:Make: UbiquitiModel: USG Pro, USG Pro 3, USG Pro 4 etcVersion: 4.3.x or aboveMode: GUIDescription: This article is to discuss and show a stepwise method to configure a Site-to-Site IPSec VPN tunnel on Ubiquiti Unifi Security Gateway device [USG Pro]. Ubiquiti Unifi Security Gateway devices support three types of Site-to-Site VPN tunnel.1. Auto IPSec … Read more
Views: 4,010 Scenario:Make: UbiquitiModel: Ubiquiti Unifi Switches, USG 16,24,48 ports switches, PoE or PoE+ or Non PoEMode: GUI (Graphical User Interface)Version: 5.8.24Description: In this article, we will discuss a detailed stepwise method to configure SPAN or Port Mirroring on Ubiquiti Unifi USG Switch. This configuration is valid for all models of USG Switches. Introduction Port … Read more