Verifying Telnet Server is Disabled

TinggiLevel 1Otomatisaruba-cx

Deskripsi

AOS-CX system includes a telnet server. Telnet is considered insecure primarily because it transmits all data, including usernames and passwords, in plaintext, meaning it's not encrypted. This leaves it vulnerable to several security risks: Eavesdropping: Anyone with access to the network traffic can intercept and read the data transmitted during a Telnet session, including sensitive information like login credentials. Credential Sniffing: Attackers can easily capture plaintext usernames and passwords by observing Telnet traffic. FAILs if a 'telnet server' line is present for any VRF. Audited against AOS-CX 'show running-config' output (saved in full); context blocks such as 'password complexity' or 'cli-session' are matched by their indented member lines.

Cara pemeriksaan

Metode audit: Pola konfigurasi

Pola: (?m)^telnet server\b

Cara perbaikan

Metode perbaikan: Panduan atau patch infrastruktur

no telnet server vrf <vrf> # CIS guidance: to disable Telnet server: no telnet server vrf <vrf> All active TELNET sessions on the VRF will be terminated. Do you want to continue (y/n)? y

Properti

Sistem operasi: Apa saja
Tag: aruba-cxmanagement
Referensi: CIS HPE Aruba Networking CX Switch Benchmark v1.0.1 - 1.1.9 Verifying Telnet Server is Disabled

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shell

tmaegis scan --target aruba-cx