[SELinux-notebook PATCH] network_support.md: clarify local port range and name_bind

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Signed-off-by: Dominick Grift <dominick.grift@xxxxxxxxxxx>
---
 src/network_support.md | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/network_support.md b/src/network_support.md
index bec725e..05ec0e8 100644
--- a/src/network_support.md
+++ b/src/network_support.md
@@ -668,6 +668,17 @@ statements):
 semanage port -a -t my_server_port_t -p tcp -r s0 12345
 ```
 
+Ports in the local port range can be auto-assigned by the kernel to
+unbound sockets on first use. Controlling binding to ports is only
+useful when the port number is a "name" (i.e. a well-defined value that
+is expected to correspond to a specific service).
+
+The *name_bind* operation is not controlled on sockets associated
+with ports in the local port range:
+```
+sysctl net.ipv4.ip_local_port_range
+```
+
 ## Labeled Network FileSystem (NFS)
 
 Version 4.2 of NFS supports labeling between client/server and requires
-- 
2.36.1




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