summaryrefslogtreecommitdiffstats
path: root/doc/README.html.in
diff options
context:
space:
mode:
Diffstat (limited to 'doc/README.html.in')
-rw-r--r--doc/README.html.in3
1 files changed, 3 insertions, 0 deletions
diff --git a/doc/README.html.in b/doc/README.html.in
index c9d1493..4f6e7c5 100644
--- a/doc/README.html.in
+++ b/doc/README.html.in
@@ -130,6 +130,9 @@ service cache daemon <tt>nscd</tt> to work around this limitation.</p>
<p>When doing troubleshooting for <tt>nss-mdns</tt>, don't forget to
disable <tt>nscd</tt> for getting sensible results.</p>
+<p>If you run a firewall, don't forget to allow traffic from and to port 5353
+from and to the the mDNS multicast address <tt>224.0.0.251</tt>.</p>
+
<h2><a name="requirements">Requirements</a></h2>
<p>Currently, <tt>nss-mdns</tt> is tested on Linux only. A fairly modern <tt>glibc</tt> installation with development headers (2.0 or newer) is required. Not