+.connect for help how to connect via the console.Servers with a red dot behind it have a different version then you have. You will not be able to join those servers.
Servers with a yellow dot behind it have NewGRFs that you do not have. You will not be able to join those servers. However, via “NewGRF Settings” and “Find missing content online” you might be able to download the needed NewGRFs after which you can join the server.
It can happen that a connection is that slow, or you have that many clients connected to your server, that your clients start to loose their connection. Some things you can do about it:
[network] frame_freq:
change it in console with: set network.frame_freq <number>
the number should be between the 0 and 10, not much higher. It indicates
the delay between clicking and showing up. The higher, the more you notice
it, but the less bandwidth you use.
A good value for Internet-games is 2 or 3.
[network] sync_freq:
change it in console with: set network.sync_freq <number>
the number should be between the 50 and 1000, not much lower, not much
higher. It indicates the time between sync-frames. A sync-frame is a frame
which checks if all clients are still in sync. When the value it too high,
clients can desync in 1960, but the server detects it in 1970. Not really
handy. The lower the value, the more bandwidth it uses.
NB: changing frame_freq has more effect on the bandwidth then sync_freq.
-D as parameter.In UNIX like systems, you can fork your dedicated server by adding -f as
parameter.
You can automatically clean companies that do not have a client connected to
them, for, let’s say, 3 years. You can do this via: set autoclean_companies
and set autoclean_protected and set autoclean_unprotected. Unprotected
removes a password from a company when it is not used for more then the
defined amount of months. set autoclean_novehicles can be used to remove
companies without any vehicles quickly.
You can also do this manually via the console: reset_company.
You can let your server automatically restart a map when, let’s say,
year 2030 is reached. See set restart_game_date for detail.
If you want to be on the server-list, make your server public. You can do
this either from the Start Server window, via the in-game Online Players
window, or by typing in the console: set server_game_type public.
You can protect your server with a password via the console: set server_pw,
or via the Start Server menu.
When you have many clients connected to your server via Internet, watch your
bandwidth (if you have any limit on it, set by your ISP). One client uses
about 1.5 kilobytes per second up and down. To decrease this amount, setting
frame_freq to 1 will reduce it to roughly 1 kilobyte per second per client.
#max_clients * #max_clients * bytes_per_frame * 10 KiB.terraform_per_64k_framesterraform_frame_burstclear_per_64k_framesclear_frame_burstNNN_burst and NNN_per_64K_frames
NNN_burst defines 3 things, the maximum limit, the limit of a single
action, and the initial value for the limit assigned to a new company.
This setting is fairly simple and requires no math.
A value of 1 means a single tile can be affected by a single action. This results in having to click 400 times when wanting to cover an area of 20 x 20 tiles.
The default value 4096 covers an area of 64 x 64 tiles.
NNN_per_64K_frames defines the number of tiles added to each companies
limit per frame (however not past the possible maximum value,the
NNN_burst). 64k rather resembles the exact number of 65536 frames. So
setting this variable to 65536 means: 65536 / 65536 = 1 tile per frame.
As a day consists of 74 frames, a company’s limit is increased by 74
tiles during the course of a single day (2.22 seconds).
To achieve a 1 tile per day increase the following calculation is needed:
1 / 74 (frames per day) * 65536 (per_64k_frames) = 885.62....
After rounding: a value of 886 means adding a bit over 1 tile per day.
There is still enough space to scale this value downwards: decreasing this value to 127 results in a bit over 1 tile added to the allowance per week (7 days).
To create a setup in which a company gets an initial allowance only, set the value to 0 - no increase of the allowance per frame.
You can protect your company so nobody else can join uninvited. To do this, set a password in your Company window.
You can chat with other players via ENTER or via SHIFT+T or via the Online Players window
Servers can kick players, so don’t make them use it!
Check if the visibility of your server is set to public.
If it is, and your server still isn’t showing up, start OpenTTD with
-d net=4 as extra argument. This will show debug message related to the
network, including communication to/from the Game Coordinator.
See the Game Coordinator documentation for more technical information about the Game Coordinator service.
This could be a transient issue with your (local) DNS server, but if the problem persists there is likely a configuration issue in DNS resolving on your computer.
This is an issue with dual-stack Docker containers. If there is no default
IPv6 resolver and IPv6 traffic is preferred, DNS requests will time out after
5 seconds. To resolve this, use an IPv4 DNS server for your Docker container,
for example by adding --dns 1.1.1.1 to your docker run command.