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-rw-r--r--lib/diameter/src/base/diameter_peer_fsm.erl10
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/diameter/src/base/diameter_peer_fsm.erl b/lib/diameter/src/base/diameter_peer_fsm.erl
index dcfcb63808..9ff6845ab7 100644
--- a/lib/diameter/src/base/diameter_peer_fsm.erl
+++ b/lib/diameter/src/base/diameter_peer_fsm.erl
@@ -698,6 +698,16 @@ outgoing(#diameter_packet{header = #diameter_header{application_id = 0,
invalid(false, dpr_after_dpr, H) %% already sent: discard
end;
+%% Explict CER or DWR: discard. These are sent by us.
+outgoing(#diameter_packet{header = #diameter_header{application_id = 0,
+ cmd_code = C,
+ is_request = true}
+ = H},
+ _)
+ when 257 == C; %% CER
+ 280 == C -> %% DWR
+ invalid(false, invalid_request, H);
+
%% DPR not sent: send.
outgoing(Msg, #state{transport = TPid, dpr = false}) ->
send(TPid, Msg),