Restrict Access to VTY Sessions

VisokaNivo 1Automatskacisco-nxos

Opis

Restrict Management Access to trusted management stations and VLANs. Exposing the management interface too broadly exposes that interface to MiTM (Monkey in the Middle) attacks as well as to credential stuffing attacks. The question "should your receptionist have access to your core switch?" usually illustrates the need for ... CIS marks this Manual; automated: requires an 'access-class ... in' under 'line vty'. Audited against the output of 'show running-config' (run 'terminal length 0' first; do not use 'show running-config all', which adds default values).

Kako se proverava

Metod provere: Obrazac konfiguracije

Obrazac: (?m)^line vty[^\n]*\n(?:[ \t][^\n]*\n)*?[ \t]+(?:ip |ipv6 )?access-class \S+ in\b

Kako se ispravlja

Metod ispravke: Smernica ili zakrpa infrastrukture

! Create an access-list that defines the various trusted subnets and/or stations: ip access-list ACL-MGT remark access-class ACL permit ip 192.168.12.0/24 any deny ip any any log It is suggested that all ACLs are commented to help self-document the configuration. The last line in the ACL should read deny ip any any log to record all attempts to reach the management interface from unauthorized stations. Apply the Access-Class to the VTY interface: line vty access-class ACL-MGT in

Svojstva

Operativni sistemi: Bilo koji
Oznake: cisco-nxosnetworkmanagement-plane
Referenca: CIS Cisco NX-OS Benchmark v1.2.0 - 1.2.1 Restrict Access to VTY Sessions

Proverite ovaj računar

Pokrenite ovo na računaru za koji imate dozvolu za proveru. Skeniranje radi u režimu samo za čitanje.

shell

tmaegis scan --target cisco-nxos