2 files changed, 9 insertions, 0 deletions
diff --git a/src/tls/rec_read.cpp b/src/tls/rec_read.cpp
index 84a96f508..63c08cad5 100644
--- a/src/tls/rec_read.cpp
+++ b/src/tls/rec_read.cpp
@@ -50,6 +50,7 @@ void Record_Reader::set_keys(const CipherSuite& suite, const SessionKeys& keys,
    cipher.reset();
    delete mac;
    mac = 0;
+   seq_no = 0;
 
    SymmetricKey mac_key, cipher_key;
    InitializationVector iv;
diff --git a/src/tls/rec_wri.cpp b/src/tls/rec_wri.cpp
index 3f6f9b7f1..a0c332c58 100644
--- a/src/tls/rec_wri.cpp
+++ b/src/tls/rec_wri.cpp
@@ -69,6 +69,14 @@ void Record_Writer::set_keys(const CipherSuite& suite,
    delete mac;
    mac = 0;
 
+   /*
+   RFC 4346:
+     A sequence number is incremented after each record: specifically,
+     the first record transmitted under a particular connection state
+     MUST use sequence number 0
+   */
+   seq_no = 0;
+
    SymmetricKey mac_key, cipher_key;
    InitializationVector iv;