Linux distributions
TMA-ALMA8-2.2.4
Ensure telnet client is not installed
MediumLevel 1Automatedlinux
Description
The telnet package contains the telnet client, which allows users to start connections to other systems via the telnet protocol.
How it is checked
Audit method: Shell command
shell
alt0() { command -v rpm >/dev/null 2>&1 || { echo "step1: rpm not installed"; return 1; }; o=$(bash -c 'rpm -q telnet' 2>&1); printf '%s\n' "$o" | tr -s ' \t' ' ' | sed 's/^ //;s/ $//' | grep -Fxq -- 'package telnet is not installed' || { echo step1: missing 'package telnet is not installed'; return 1; }; }; if alt0; then echo compliant; fi- Expected output
compliant
How it is fixed
Fix method: Guidance or infrastructure patch
Run the following command to remove the telnet package: # dnf remove telnet
Properties
- Operating systems
- almalinux-8
- Tags
- cis-convertedlinux
- Reference
- CIS AlmaLinux OS 8 Benchmark v4.0.0 - 2.2.4
Check this host
Run this on a machine you are allowed to audit. The scan is read-only.
shell
tmaegis scan --target linux