Vol. 3 No. 011 (2026): Professionalitet, 2026

Professionalitet, 2026

01.09.2026

STUDYING THE ARP SPOOFING ATTACK USING SWITCHES FROM DIFFERENT VENDORS AS EXAMPLES

P. A. Berezhnaya, K. D. Mirchevski

This paper examines the susceptibility of a switched local network to ARP spoofing and describes a laboratory ARP-spoofing scenario using Cisco Catalyst 2960, Eltex MES1428, and MikroTik CRS326-24G-2S+RM switches. The topology included…

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VERIFICATION OF DOMAIN GPO STABILITY MECHANISMS IN A CORPORATE NETWORK

D. S. Dvornikov, M. A. Kostionova

This paper examines one user setting, DisableTaskMgr, on a Windows Active Directory laboratory testbed. The testbed includes a Windows Server 2022 domain controller and a Windows 11 client. The aim is to compare the registry value and…

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COMPARATIVE ANALYSIS OF NETWORK EQUIPMENT VULNERABILITIES USING EXTERNAL AUDIT METHODS IN A CORPORATE ENVIRONMENT

A. A. Kalinin, M. R. Kliz

This paper presents a comparative security audit of Cisco, MikroTik, and Eltex network equipment in a laboratory environment. The study combines external Nmap scanning with an internal configuration review over SSH, examining open ports,…

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LABORATORY ANALYSIS OF TCP ACLS AND INTERFACE METRICS IN A NETWORK TESTBED

N. M. Koval, E. A. Gimpel

This paper presents a teaching-oriented analysis of network configuration fragments and the authors’ summary of interface measurements from a laboratory testbed. It considers Cisco Catalyst 2960, Eltex MES1428, and MikroTik CRS326. The…

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DNSSEC CONFIGURATION AND KEY MANAGEMENT ON A WINDOWS SERVER TEACHING TESTBED

S. A. Kolokolov, K. S. Bely

This paper describes DNSSEC configuration and key management on a teaching testbed with two Windows Server virtual machines. One node hosts the authoritative lab.test zone, while the other processes queries using configured forwarding.…

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IMPLEMENTATION AND EFFECTIVENESS ANALYSIS OF DHCP SPOOFING PROTECTION (MITRE ATT&CK T1557.003) AT THE NETWORK SWITCH LEVEL

A. A. Kudimov, A. D. Iskakov

The paper reports an experimental comparison of the built-in and available mechanisms for protection against the DHCP Spoofing attack (MITRE ATT&CK T1557.003) on three managed switches: Cisco Catalyst 2960, Eltex MES1428, and MikroTik…

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EXPERIMENTAL ANALYSIS OF IGMPV2 VULNERABILITIES AND COMPARATIVE EVALUATION OF PROTECTION METHODS ON L2+ SWITCHES FROM DIFFERENT VENDORS

A. A. Kyazimov, A. A. Tereshonok

This paper describes a laboratory example involving a spoofed IGMP Leave message and discusses ways to protect multicast group membership on Cisco Catalyst 2960, Eltex MES1428, and MikroTik CRS326 switches. It outlines IGMPv2 and IGMP…

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PROTECTION AGAINST RSTP ATTACKS USING ROOT GUARD ON L2+ DEVICES

M. V. Lyakhova, N. G. Senikova

The article examines an educational scenario involving a change of the root bridge in a switched network and the use of Root Guard to restrict that change. The aim is to interpret the available laboratory observations and describe a…

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