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Enable local peer discovery for public IPv4s for now.

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This commit is contained in:
Kleissner
2021-04-21 03:42:46 +02:00
parent ec809029d8
commit 4b905f4eab
1 changed files with 5 additions and 5 deletions
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10
Commands.go
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@@ -8,7 +8,6 @@ package core
import (
"bytes"
"encoding/hex"
"fmt"
"log"
"time"
@@ -198,12 +197,13 @@ func (peer *PeerInfo) cmdChat(msg *MessageRaw) {
// cmdLocalDiscovery handles an incoming announcement via local discovery
func (peer *PeerInfo) cmdLocalDiscovery(msg *MessageAnnouncement) {
// 21.04.2021 update: Local peer discovery from public IPv4s is possible in datacenter situations. Keep it enabled for now.
// only accept local discovery message from private IPs for IPv4
// IPv6 DHCP routers typically assign public IPv6s and they can join multicast in the local network.
if msg.connection.IsIPv4() && !msg.connection.IsLocal() {
log.Printf("cmdLocalDiscovery message received from non-local IP %s peer ID %s\n", msg.connection.Address.String(), hex.EncodeToString(msg.SenderPublicKey.SerializeCompressed()))
return
}
//if msg.connection.IsIPv4() && !msg.connection.IsLocal() {
// log.Printf("cmdLocalDiscovery message received from non-local IP %s peer ID %s\n", msg.connection.Address.String(), hex.EncodeToString(msg.SenderPublicKey.SerializeCompressed()))
// return
//}
if peer == nil {
peer, _ = PeerlistAdd(msg.SenderPublicKey, msg.connection)