Do not set MTU if none available or zero.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-08-13 13:46:56 +02:00
parent 76a001dbe0
commit 6d18b6cccb
1 changed files with 1 additions and 1 deletions
@@ -53,7 +53,7 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
                let dnsSettings = NEDNSSettings(servers: splitDnsEntries)
                newSettings.dnsSettings = dnsSettings
            }
-            if let mtu = mtu {
+            if let mtu = mtu, mtu.intValue > 0 {
                newSettings.mtu = mtu
            }