Oracle Solaris
TMA-SOLARIS-8.5
Check that the Banner Setting for telnet is Null
Beschreibung
The BANNER variable in the file /etc/default/telnetd can be used to display text before the telnet login prompt. Traditionally, it has been used to display the OS level of the target system. The warning banner provides information that can be used in reconnaissance for an attack. By default, this file is distributed with the BANNER variable set to null. Audit: pattern match on /etc/default/telnetd as described in the CIS audit procedure.
So wird geprüft
Prüfmethode: Dateimuster
- Datei
/etc/default/telnetd- Muster
(?m)^BANNER=\s*$
So wird behoben
Behebungsmethode: Anleitung oder Infrastruktur-Patch
Perform the following to implement the recommended state: # cd /etc/default # awk '/^BANNER=/ { $1 = "BANNER=" }; { print }' telnetd > telnetd.CIS # mv telnetd.CIS telnetd
Eigenschaften
- Betriebssysteme
- Beliebig
- Tags
- solarisnetwork
- Referenz
- CIS Oracle Solaris 11.4 Benchmark v1.1.0 - 8.5 Check that the Banner Setting for telnet is Null
Diesen Host prüfen
Führen Sie dies auf einem Rechner aus, den Sie prüfen dürfen. Der Scan ist schreibgeschützt.
tmaegis scan --target solaris