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blocks:server:mirror [2025-10-01 09:53] – [Introduction] adminblocks:server:mirror [2026-05-04 11:34] (current) – [Troubleshooting] mattias
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 systemctl --user status blocks.mirror systemctl --user status blocks.mirror
 </code> </code>
 +
 +=== Using Firewall ===
 +If the server has the firewall enabled the following must be allowed:
 +udp port 4445
 +tcp port 4444
 +
 +<code>sudo ufw allow 4444/tcp
 +sudo ufw allow 4445/udp </code>
 +
 +This must be done on both master and mirror.
  
 === Custom path to Blocks' Executable Files === === Custom path to Blocks' Executable Files ===