Ensure rsh server is not enabled

MediumLevel 1Automatedlinux

Description

The Berkeley rsh-server ( rsh , rlogin , rexec ) package contains legacy services that exchange credentials in clear-text.

How it is checked

Audit method: Shell command

shell

alt0() { command -v chkconfig >/dev/null 2>&1 || { echo "step1: chkconfig not installed"; return 1; }; o=$(bash -c 'chkconfig --list' 2>&1); printf '%s\n' "$o" | tr -s ' \t' '  ' | sed 's/^ //;s/ $//' | grep -Fxq -- 'xinetd based services:' || { echo step1: missing 'xinetd based services:'; return 1; }; printf '%s\n' "$o" | tr -s ' \t' '  ' | sed 's/^ //;s/ $//' | grep -Fxq -- 'rexec: off' || { echo step1: missing 'rexec: off'; return 1; }; printf '%s\n' "$o" | tr -s ' \t' '  ' | sed 's/^ //;s/ $//' | grep -Fxq -- 'rlogin: off' || { echo step1: missing 'rlogin: off'; return 1; }; printf '%s\n' "$o" | tr -s ' \t' '  ' | sed 's/^ //;s/ $//' | grep -Fxq -- 'rsh: off' || { echo step1: missing 'rsh: off'; return 1; }; }; if alt0; then echo compliant; fi

Expected output: compliant

How it is fixed

Fix method: Guidance or infrastructure patch

Run the following commands to disable rsh , rlogin , and rexec : # chkconfig rexec off # chkconfig rlogin off # chkconfig rsh off

Properties

Operating systems: sles-11
Tags: cis-convertedlinux
Reference: CIS SUSE Linux Enterprise 11 Benchmark v2.1.1 - 2.1.6

Check this host

Run this on a machine you are allowed to audit. The scan is read-only.

shell

tmaegis scan --target linux