Ensure echo daemon is not in use

SedangLevel 1Otomatisaix

Deskripsi

This entry starts the echo service when required. This service sends back data received by it on a specified port. The echo service sends back data received by it on a specified port. This can be misused by an attacker to launch DoS attacks or Smurf attacks by initiating a data storm and causing network congestion. Audit: `lssrc -s inetd -l` must not list the service (count 0).

Cara pemeriksaan

Metode audit: Perintah shell

shell

command -v lssrc >/dev/null 2>&1 || exit 1; n=$(lssrc -s inetd -l 2>/dev/null | grep -c 'echo'); echo "$n"

Output yang diharapkan: 0

Cara perbaikan

Metode perbaikan: Panduan atau patch infrastruktur

In /etc/inetd.conf, comment out the echo entry and refresh the inetd process: chsubserver -r inetd -C /etc/inetd.conf -d -v 'echo' -p tcp chsubserver -r inetd -C /etc/inetd.conf -d -v 'echo' -p udp lssrc -s inetd && refresh -s inetd

Properti

Sistem operasi: Apa saja
Tag: aixservices
Referensi: CIS IBM AIX 7 Benchmark v1.2.0 - 4.3.4.6 Ensure echo daemon is not in use

Periksa host ini

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shell

tmaegis scan --target aix