Ehsan Ghasisin works on computer and network security and the latest technology to design, implement, and maintain to help companies reduce risk and increase business activity. He has 15 years of experience and a computer and network engineering degree.
Ehsan Ghasisin 6 minute read
Expert Picks | Cisco
As data traffic accelerates across enterprise networks, campuses, and data centers, selecting the right optical transceivers and fiber optic cabling is no longer optional—it’s foundational....
Ehsan Ghasisin 7 minute read
Software/License/Protocol | Switch
Power over Ethernet (PoE) has transformed how IT professionals build and scale networks. Instead of running separate power and data lines, PoE combines both into one Ethernet cable—reducing...
Ehsan Ghasisin 8 minute read
How To | Software/License/Protocol
Network virtualization has redefined how modern IT infrastructures scale and operate. By abstracting network services from physical hardware, it offers organizations unprecedented flexibility and control...
Ehsan Ghasisin 5 minute read
Comparison | Software/License/Protocol
For modern network traffic engineering, Segment Routing (SR) generally offers superior scalability and operational simplicity compared to traditional MPLS. However, MPLS remains a reliable and valuable...
Ehsan Ghasisin 11 minute read
Comparison | How To
For users of SMB and enterprise networks, DNS and DHCP are critical systems that enable seamless daily operations. These complementary protocols work behind the scenes to maintain network functionality,...
Ehsan Ghasisin 16 minute read
How To | Firewall
Enterprise firewalls serve as the cornerstone of network security, protecting organizations from increasingly sophisticated cyber threats. This comprehensive guide evaluates the best enterprise firewall...
Ehsan Ghasisin 6 minute read
How To
Organizations embracing digital transformation aim to reduce operational expenses (OPEX), increase efficiency, and gain a competitive edge. However, rapid innovation expands the threat landscape, increasing...
Ehsan Ghasisin 8 minute read
How To | Cisco | Firewall
Cisco Adaptive Security Appliance (ASA) firewalls protect your network through powerful Access Control Lists (ACLs). These security rules filter network traffic by permitting or denying packets based on...
Ehsan Ghasisin 8 minute read
How To | Cisco | Firewall
Configuring a Cisco ASA firewall is an essential step in securing your network against threats. This guide walks you through the fundamental setup procedures, including IP address assignment, interface security...
Ehsan Ghasisin 9 minute read
Buying Guide | Expert Picks | Cisco | Fortinet | Firewall
Small and medium-sized businesses (SMBs) are the backbone of the global economy, but they are increasingly becoming prime targets for cybercriminals. A firewall is your first line of defense against...
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