+* Fri Dec 1 2006 Brendan O'Dea <bod@optus.net> 2.1.21
+- Security: Rhys Kidd identified a vulnerability in the handling of
+ heartbeat packets. Drop oversize heartbeat packets.
+
+* Thu Aug 3 2006 Brendan O'Dea <bod@optus.net> 2.1.20
+- Fix sign problem with reporting of unknown VSAs.
+- Allow DNS servers to be specified either using the old or new
+ vendor-specific Ascend formats.
+
+* Fri Jun 23 2006 Brendan O'Dea <bod@optus.net> 2.1.19
+- Kludge around problem with Netgear DM602 authentication.
+- Use result code AVP to set Acct-Terminate-Cause is disconnect cause
+ AVP is not present.
+
+* Tue Apr 18 2006 Brendan O'Dea <bod@optus.net> 2.1.18
+- Don't shutdown on TerminateReq, wait for CDN.
+- Interpret "local" direction correctly (as LAC) in disconnect AVPs.
+