NB! It seems this console command is not compatible with CS2.
Command Profile

SV_RCON_WHITELIST_ADDRESS

CS:GO

This command can set an IP address to whitelist from rcon failed authentication bans. Failed authentication bans are bans issued when you get the rcon password wrong too many times - the IP address this is set to will never be banned for this reason.

Syntax
sv_rcon_whitelist_address [IP Address]

Description

This command can set an IP address to whitelist from rcon failed authentication bans. Failed authentication bans are bans issued when you get the rcon password wrong too many times - the IP address this is set to will never be banned for this reason.

Syntax And Arguments

sv_rcon_whitelist_address [IP Address]
IP Address The IP address you wish to whitelist.