Paranoid, local-only sync


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I'm trying to setup safe, local-net-only sync in my LAN, as safe as possible. I don't want it to transfer anything to/via WAN in any case, so from what I see I should do:

1. Uncheck "Use relay", "Use tracker" and "Search DHT"

2. Check Search LAN

3. Block in/out UDP (except LAN) for the "Listening port"

Anything else? Probably adding all hosts to "Use predefined hosts" and uncheck "Search LAN" will also help to my paranoia, not sure.

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I monitored this config for a while and it initiated no connections. Only when another peer connected using the known peers list did it respond to that peer. The other peer was the only one in the swarm so I didn't check if BTSync does peer exchange.

Blocking the normal UDP port seems to prevent a peer connecting (even with lan_use_tcp) but the search_lan uses multicast to port 3838 which may need a different rule.

,"check_for_updates" : false

,"use_upnp" : false

//...

{

"secret" : "OO7AAAAAAAAAAAAAAAAAAAAAAAAAAAAA" // * required field

,"dir" : "/home/btsync/quiettest" // * required field

,"use_relay_server" : false

,"use_tracker" : false

,"use_dht" : false

,"search_lan" : false

,"use_sync_trash" : false

}

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