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-rwxr-xr-xpkg/linux/bitmask-root13
1 files changed, 12 insertions, 1 deletions
diff --git a/pkg/linux/bitmask-root b/pkg/linux/bitmask-root
index 136fd6a4..6d296ecf 100755
--- a/pkg/linux/bitmask-root
+++ b/pkg/linux/bitmask-root
@@ -566,7 +566,7 @@ class NameserverRestorer(Daemon):
A daemon that will restore the previous nameservers.
"""
- def run(self):
+ def run(self, *args):
"""
Run when daemonized.
"""
@@ -765,6 +765,17 @@ def firewall_start(args):
"--dport", "53", "--destination", allowed_dns,
"--jump", "ACCEPT")
+ # workaround for ipv6 servers being blocked and not falling back to ipv4.
+ # See #5693
+ ip6tables("--append", "OUTPUT", "--jump", "REJECT",
+ "-s", "::/0", "-d", "::/0",
+ "-p", "tcp",
+ "--reject-with", "icmp6-port-unreachable")
+ ip6tables("--append", "OUTPUT", "--jump", "REJECT",
+ "-s", "::/0", "-d", "::/0",
+ "-p", "udp",
+ "--reject-with", "icmp6-port-unreachable")
+
def firewall_stop():
"""