Все подробности можете узнать в группе -
http://steamcommunity.com/groups/l4d2_aurora

IP адреса серверов:
185.186.141.38:27015 Aurora #1
185.186.141.38:27016 Aurora #2
185.186.141.38:27017 Aurora #3
185.186.141.38:27018 Aurora #4
185.186.141.38:27019 Aurora #5
185.186.141.38:27020 Aurora #6
185.186.141.38:27021 Aurora #7
185.186.141.38:27022 Aurora #8

mm_dedicated_force_servers "185.186.141.38:27015,185.186.141.38:27016,185.186.141.38:27017,185.186.141.38:27018,185.186.141.38:27019,185.186.141.38:27020,185.186.141.38:27021,185.186.141.38:27022"