diff --git a/website/source/docs/internals/security.html.markdown b/website/source/docs/internals/security.html.markdown
index cc02b72bc2..f92af48b31 100644
--- a/website/source/docs/internals/security.html.markdown
+++ b/website/source/docs/internals/security.html.markdown
@@ -53,3 +53,11 @@ When designing security into a system you design it to fit the threat model.
 Our goal is not to protect top secret data but to provide a "reasonable"
 level of security that would require an attacker to commit a considerable
 amount of resources to defeat.
+
+## Network Ports
+
+Consul uses the following ports on the network:
+* TCP 8300 (RPC - LAN & WAN)
+* TCP & UDP 8301 (LAN GOSSIP)
+* TCP & UDP 8302 (WAN GOSSIP)
+* TCP 8500 (WEBUI - not enabled by default)