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-rw-r--r--lib/diameter/src/base/diameter_peer_fsm.erl14
1 files changed, 7 insertions, 7 deletions
diff --git a/lib/diameter/src/base/diameter_peer_fsm.erl b/lib/diameter/src/base/diameter_peer_fsm.erl
index 3cf1129d59..e06dc136ce 100644
--- a/lib/diameter/src/base/diameter_peer_fsm.erl
+++ b/lib/diameter/src/base/diameter_peer_fsm.erl
@@ -592,16 +592,16 @@ rcv(N, Pkt, S)
N == 'DPR' ->
handle_request(N, Pkt, S);
-%% DPA even though we haven't sent DPR: ignore.
-rcv('DPA', _Pkt, #state{dpr = false}) ->
- ok;
-
-%% DPA in response to DPR. We could check the sequence numbers but
-%% don't bother, just close.
-rcv('DPA' = N, _Pkt, #state{transport = TPid}) ->
+%% DPA in response to DPR and with the expected identifiers.
+rcv('DPA' = N,
+ #diameter_packet{header = #diameter_header{end_to_end_id = Eid,
+ hop_by_hop_id = Hid}},
+ #state{transport = TPid,
+ dpr = {Hid, Eid}}) ->
diameter_peer:close(TPid),
{stop, N};
+%% Ignore anything else, an unsolicited DPA in particular.
rcv(_, _, _) ->
ok.