Create CSGO dedicated Server

Go to D:\SteamLibrary\steamapps\common\Counter-Strike Global Offensive\game\bin\win64

cd "\D:\SteamLibrary\steamapps\common\Counter-Strike Global Offensive\game\bin\win64"

Add this ports to exeption in firewall :

• 27015 UDP/TCP
• 27020 UDP
• 27005 UDP
• 26900 UDP

Enter this command to launch CS2 server

.\cs2.exe -dedicated +map de_mirage +game_alias wingman +host_workshop_map 3132854332

Redirect this ports :

• 27015 UDP/TCP
• 27020 UDP
• 27005 UDP
• 26900 UDP

Map's Code :

• Mirage : de_mirage
• Dust II : de_dust2
• Anubis : de_anubis
• Nuke : de_nuke
• Overpass : de_overpass
• Inferno : de_inferno
• Ancient : de_ancient
• Vertigo : cs_vertigo
• Office : cs_office
• Italy : cs_italy

Sources:

Counter-Strike 2 - Dedicated Servers - Valve Developer Community (valvesoftware.com)