Ensure SSH MaxSessions is set to 4 or less

NiskaNivo 2Ručni pregledcos

Opis

The MaxSessions parameter specifies the maximum number of open sessions permitted from a given connection. To protect a system from denial of service due to a large number of concurrent sessions, use the rate limiting function of MaxSessions 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 MaxSessions is 4 or less, or matches site policy: # sshd -T | grep -i maxsessions # maxsessions 4

Kako se ispravlja

Metod ispravke: Smernica ili zakrpa infrastrukture

Edit the /etc/ssh/sshd_config file to set the parameter as follows: MaxSessions 4

Svojstva

Operativni sistemi: Bilo koji
Oznake: container-optimized-oscosssh
Referenca: CIS Google Container-Optimized OS Benchmark v1.2.0 - 5.1.22 Ensure SSH MaxSessions is set to 4 or less