TMA-COS-5.1.21

Ensure SSH MaxStartups is configured

SrednjaNivo 2Ručni pregledcos

Opis

The MaxStartups parameter specifies the maximum number of concurrent unauthenticated connections to the SSH daemon. To protect a system from denial of service due to a large number of pending authentication connection attempts, use the rate limiting function of MaxStartups to protect availability of sshd logins and prevent overwhelming the daemon.

Kako se proverava

Metod provere: Ručni pregled

Ova preporuka se ne može proveriti automatski. Skeniranje je navodi sa ovim uputstvima kada prosledite --include-manual.

Run the following command and verify that output MaxStartups is 10:30:60 or matches site policy: # sshd -T | grep -i maxstartups # maxstartups 10:30:60

Kako se ispravlja

Metod ispravke: Smernica ili zakrpa infrastrukture

Edit the /etc/ssh/sshd_config file to set the parameter as follows: maxstartups 10:30:60

Svojstva

Operativni sistemi: Bilo koji
Oznake: container-optimized-oscosssh
Referenca: CIS Google Container-Optimized OS Benchmark v1.2.0 - 5.1.21 Ensure SSH MaxStartups is configured