github-personal/firezone
1
0
Fork 0
mirror of https://github.com/outbackdingo/firezone.git synced 2026-01-27 18:18:55 +00:00
Code Issues Packages Projects Releases Wiki Activity

Set the MTU to 1280 on Apple to avoid connectivity issues (#2901)

Browse Source 
Unfortunately tunnelOverheadBytes isn't a reliable way to calculate the
MTU.

This could be the issue behind #2855
This commit is contained in:
Jamil
2023-12-13 13:00:48 -08:00
committed by GitHub
parent af7730337c
commit 410bd341fa
1 changed files with 5 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
swift/apple/FirezoneNetworkExtension/NetworkSettings.swift
View File

@@ -34,8 +34,10 @@ class NetworkSettings {
let tunnelAddressIPv6: String
let dnsAddress: String
// WireGuard has an 80-byte overhead.
let tunnelOverheadBytes = NSNumber(80)
// WireGuard has an 80-byte overhead. We could try setting tunnelOverheadBytes
// but that's not a reliable way to calculate how big our packets should be,
// so just use the minimum.
let mtu: NSNumber = 1280
// Modifiable values
private(set) var dnsFallbackStrategy: DNSFallbackStrategy
@@ -181,7 +183,7 @@ class NetworkSettings {
dnsSettings.matchDomains = [""]
}
tunnelNetworkSettings.dnsSettings = dnsSettings
tunnelNetworkSettings.tunnelOverheadBytes = tunnelOverheadBytes
tunnelNetworkSettings.mtu = mtu
self.hasUnappliedChanges = false
logger.log("Attempting to set network settings")