From b43fd58a109e7e776bda4a23b5cf5ddac61c4101 Mon Sep 17 00:00:00 2001 From: kmccormick Date: Fri, 29 Mar 2013 15:21:12 -0700 Subject: [PATCH] Doc update: clarify guidelines for firewall setup. Change-Id: Id3284bb21a0a2b612babf6cf582fda8f1c73cb80 --- docs/html/google/gcm/gcm.jd | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/docs/html/google/gcm/gcm.jd b/docs/html/google/gcm/gcm.jd index fb57a910dd256..26fc49a33398f 100644 --- a/docs/html/google/gcm/gcm.jd +++ b/docs/html/google/gcm/gcm.jd @@ -777,10 +777,11 @@ sent. Optional. The default value is false, and must be a JSON bool

Note: If your organization has a firewall that restricts the traffic to or -from the Internet, you need to configure it to allow connectivity with GCM. +from the Internet, you need to configure it to allow connectivity with GCM in order for +your Android devices to receive messages. The ports to open are: 5228, 5229, and 5230. GCM typically only uses 5228, but it sometimes uses 5229 and 5230. GCM doesn't provide specific IPs, so you should -allow your server to accept incoming connections from all IP addresses +allow your firewall to accept incoming connections from all IP addresses contained in the IP blocks listed in Google's ASN of 15169.