Actually, apparently you should be able to use this instead of the "Open to LAN" button: https://minecraft.gamepedia.com/Commands/publish
Sadly, there is no Russian version of that page available, it seems. :/
Thanks to Chocohead and ZombieHDGaming for the tip.
I executed command /publish 25565
Translation (manual): Local server was opened at port 3257
0
I executed command /publish 25565
Translation (manual): Local server was opened at port 3257
0
Hello. Can you tell me, how to save waypoints if you play by local network (port are different whenever and waypoints being in a different files)?
(sorry for my bad english, because im russian)