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fix a bug for wireguard server ipv6 #1674

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Merged
jasonlyc merged 1 commit into from
Dec 19, 2025
Merged

fix a bug for wireguard server ipv6 #1674

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8 changes: 2 additions & 6 deletions plugins/interface/amneziawg_intf_plugin.js
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Original file line number Diff line number Diff line change
Expand Up @@ -58,12 +58,8 @@ class AmneziawgInterfacePlugin extends WireguardInterfacePlugin {
}

getDefaultMTU() {
// in case wireguard is 1412:
// Obfuscation mode (H1–H4/S1–S2, etc. enabled) +4~8 bytes
// High obfuscation (with JC/JMIN/JMAX enabled + random padding) +8~16 bytes
// Leave an 8-byte safety margin to prevent PMTU ICMP anomalies.
// 1412 - 8 - 16 - 8 = 1380
return 1380;
// since official amneziawg client (both mac and windows) is using 1376 as MTU, we use the same value here
return 1376;
}


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1 change: 1 addition & 0 deletions plugins/interface/wireguard_intf_plugin.js
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Expand Up @@ -176,6 +176,7 @@ class WireguardInterfacePlugin extends InterfaceBasePlugin {
const v4Subnets = this.networkConfig.ipv4s ? this.networkConfig.ipv4s.map(addr => new Address4(addr)) : [new Address4(this.networkConfig.ipv4)];
let v6Subnets = [];
if (this.networkConfig.ipv6) {
const ipv6 = this.networkConfig.ipv6;
v6Subnets.push(...(_.isArray(ipv6) ? ipv6.map(addr => new Address6(addr)) : [new Address6(ipv6)]));
}
if (_.isArray(this.networkConfig.peers)) {
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