dns: Always enable EDNS0

This is for all DNS queries originating from the firewall.

Since we have had DNS Flag Day, we are expecting all DNS servers
to support this now. If not, then you are very unlucky.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

diff --git a/src/functions/functions.dns b/src/functions/functions.dns
index 4cd5cb4c04ffa5cf6a97a9baeb708de359260881..890f1aca2f6c5b1b85f670b6e0dbae165f8b25f0 100644 (file)
--- a/src/functions/functions.dns
+++ b/src/functions/functions.dns
@@ -245,6 +245,9 @@ dns_generate_resolvconf() {
 
        config_header "resolver configutation file" > ${file}
 
+       # Always enable EDNS0
+       print "option edns0\n" >> "${file}"
+
        if enabled DNS_RANDOMIZE; then
                print "option rotate\n" >> ${file}
        fi