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-rw-r--r--manifests/docker.pp2
1 files changed, 1 insertions, 1 deletions
diff --git a/manifests/docker.pp b/manifests/docker.pp
index 7a5fdac..e69010b 100644
--- a/manifests/docker.pp
+++ b/manifests/docker.pp
@@ -1,5 +1,5 @@
# See http://serverfault.com/questions/579726/docker-shorewall
-class firewall::docker($device) {
+class firewall::docker($device = 'eth0') {
class { 'firewall::forwarding': }
shorewall::masq { "${device}":