-* Thu May 5 2005 Brendan O'Dea <bod@optusnet.com.au> 2.1.0
+* Wed Aug 2 2006 Brendan O'Dea <bod@optus.net> 2.2.0
+- Only poll clifd if successfully bound.
+- Add "Practical VPNs" document from Liran Tal as Docs/vpn .
+- Add Multilink support from Khaled Al Hamwi.
+- Remove non-working setuid option.
+- Convert manual.html to Docbook.
+- Kludge around problem with Netgear DM602 authentication.
+- Add session/idle timeouts (Graham Maltby).
+- Use result code AVP to set Acct-Terminate-Cause is disconnect cause
+ AVP is not present.
+- Add radius_bind_{min,max} to simplify firewalling of RADIUS ports.
+- Fix sign problem with reporting of unknown RADIUS VSAs.
+
+* 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.
+
+* Thu Apr 13 2006 Brendan O'Dea <bod@optus.net> 2.1.17
+- Fix IPCP length test to allow Terminate-Request (4 bytes).
+- Send nsctl responses back using the correct source address (thanks ltd).
+- Similarly set the source for DAE responses; use bind_address when
+ handling forwarded packets on the master.
+- Add Acct-Terminate-Cause to RADIUS stop records.
+
+* Thu Feb 23 2006 Brendan O'Dea <bod@optus.net> 2.1.16
+- Send configured magic-no in LCP EchoReq when LCP is opened.
+- Correct addition of single IP to pool (Jonathan Yarden).
+- Ensure session changes from LCP ConfigReq/ConfigNak are sent to cluster.
+- Verify that RADIUS packets come from a configured server (Jonathan Yarden).
+- Avoid endless loop in processipcp, processipv6cp.
+- Additional length checks in processlcp.
+- Allow peer to request a new magic-number, or to disable magic-numbers.
+- Decrease ip_conntrack_tcp_timeout_established to 5hrs (table filling).
+
+* Mon Dec 19 2005 Brendan O'Dea <bod@optus.net> 2.1.15
+- Drop backtrace.
+- Reduce logging of LCP EchoReply packets.
+- Break LCP configure loop with shutdown.
+- Limit value of MRU of 1492 (rfc2516).
+- Tun MTU should be MRU (not MRU+4).
+- Add Service-Type/Framed-Protocol to RADIUS records (Paul Martin).
+
+* Fri Dec 9 2005 Brendan O'Dea <bod@optus.net> 2.1.14
+- Run PLUGIN_RADIUS_ACCOUNT for Start records.
+
+* Wed Dec 7 2005 Brendan O'Dea <bod@optus.net> 2.1.13
+- Add test/ping-sweep.
+- Apply spec changes from Charlie Brady: use License header, change
+ BuildRoot to include username.
+- Fix IPCP negotiation of secondary DNS server, reported by Jon Morby.
+- Clean up sessiont, removing some unused fields.
+- Remove unused "MAC" config type.
+- Reject unknown/unconfigured protocols on the master.
+- Sanity check MRU before using in ppp_code_rej, protoreject.
+
+* Thu Nov 17 2005 Brendan O'Dea <bod@optus.net> 2.1.12
+- Set MTU on tunnel interface so the kernel will re-fragment large
+ packets to within MRU.
+- Fix TCP checksum recalc.
+- NAK silly MRU values from peer.
+
+* Mon Nov 14 2005 Brendan O'Dea <bod@optus.net> 2.1.11
+- Fix fragment handling in ip_filter.
+- Exclude counter when comparing filter rules.
+
+* Sat Nov 5 2005 Brendan O'Dea <bod@optus.net> 2.1.10
+- Add scripts/l2tpns-capture.
+- Fix LCP Echo frequency.
+- Add Framed-Route entries to RADIUS records.
+- Reset restart counters correctly.
+- Reset timers on sending ConfigReq.
+- Only send one RADIUS Start record, even if IPCP is restarted.
+
+* Tue Oct 11 2005 Brendan O'Dea <bod@optus.net> 2.1.9
+- Fix Calling-Station-Id in RADIUS accounting records (Slobodan Tomic).
+- Fix RADIUS authentication on DAE responses.
+- Don't send tunnel HELLO when there are pending control messages.
+- Move plugin_radius_reset from *ctl to auto* plugins.
+- Add Cisco-AVPairs to RADIUS accounting records via plugin_radius_account.
+
+* Mon Sep 19 2005 Brendan O'Dea <bod@optus.net> 2.1.8
+- Move code from signal handlers into mainloop, avoiding a race
+ condition when forking CLI.
+
+* Fri Sep 16 2005 Brendan O'Dea <bod@optus.net> 2.1.7
+- This time, for sure: really fix Protocol-Reject.
+
+* Fri Sep 16 2005 Brendan O'Dea <bod@optus.net> 2.1.6
+- Any traffic on a tunnel resets lastrec, not just control messages.
+- Use a unique identifier for LCP.
+- Fix Code-Reject/Protocol-Reject.
+- Add l2tp_mtu configuration option, used to define MRU, MSS.
+- Adjust TCP MSS options in SYN and SYN,ACK packets to avoid
+ fragmentation of tcp packets.
+
+* Sat Sep 3 2005 Brendan O'Dea <bod@optus.net> 2.1.5
+- Avoid Code-Reject loop.
+- Increase size of PPP buffers to MAXETHER.
+- Bug fixes for CLI ringbuffer and tunnel HELLO from Yuri.
+- Restart rather than halt BGP on receipt of CEASE (Dominique Rousseau).
+- Add cluster_mcast_ttl option to allow a cluster to span multiple
+ subnets (suggested by Tim Devries).
+
+* Mon Aug 29 2005 Brendan O'Dea <bod@optus.net> 2.1.4
+- Drop level of "Unexpected CHAP message" log.
+- Fix parsing of ProtocolRej (allow 1 or two byte protocols).
+- Handle rejection of MRU negotiation by peer.
+- Use local hostname for tunnel in SCCRP (Alex Kiernan).
+
+* Wed Aug 17 2005 Brendan O'Dea <bod@optus.net> 2.1.3
+- Fail IPCP negotiation only on ConfigRej of IP-Address.
+
+* Wed Aug 10 2005 Brendan O'Dea <bod@optus.net> 2.1.2
+- Clear cluster_master on election so that slaves will accept a new master.
+- Provide more comments/defaults in etc/startup-config.default.
+- Add DAE support (PoD/CoA) from Vladislav Bjelic.
+- Clean up new warnings from gcc 4.0.
+- Replace flags used for LCP/IPCP with state machine.
+- Include Acct-Session-Time in interim records.
+- Fix DAE vector, generateload (Alex Kiernan).
+- Replace RSA MD5 with public domain version.
+
+* Tue Jun 14 2005 Brendan O'Dea <bod@optusnet.com.au> 2.1.1
+- Add missing newline to backtrace macro.
+- Don't send CDN for each session when shutting down tunnels (this is
+ implicit).
+- Move tunnel shutdown from SIGQUIT signal handler to be run once from
+ still_busy(). Reject new tunnels/sessions while in the process of
+ shutting down.
+- Clarify usage of shutdown signals in documentation.
+- Always initialise PRNG.
+- Sanity check length of random_vector.
+- Fix segv in unhide_value.
+- Ping new master when we get C_MASTER and delay next election to allow
+ the unicast limp-along code to kick in if required.
+
+* Sun Jun 5 2005 Brendan O'Dea <bod@optusnet.com.au> 2.1.0
- Add IPv6 support from Jonathan McDowell.
-- Add CHAP support from Jordan Hrycaj (work in progress).
+- Add CHAP support from Jordan Hrycaj.
+- Add interim accounting support from Vladislav Bjelic.
+- Negotiate MRU, default 1458 to avoid fragmentation.
- Sanity check that cluster_send_session is not called from a child
process.
-- Throttle outgoing LASTSEEN packets to at most one per second for a
- given seq#.
-- More DoS prevention: add packet_limit option to apply a hard limit
- to downstream packets per session.
- Use bounds-checking lookup functions for string constants.
- Add enum for RADIUS codes.
- Make "call_" prefix implict in CSTAT() macro.
- Fix some format string problems.
-- Fix "clear counters".
-- Log "Accepted connection to CLI" at 4 when connection is from localhost
- to reduce noise in logs.
-- Show time since last counter reset in "show counters".
- Remove "save_state" option. Not maintained anymore; use clustering
to retain state across restarts.
-- Ensure that sessionkill is not called on an unopened session (borks
- the freelist).
-- Bump MAXSESSION to 60K.
-- Fix off-by-one errors in session/tunnel initialisation and
- sessiont <-> sessionidt functions.
-- Use session[s].opened consistently when checking for in-use sessions
- (rather than session[s].tunnel).
-- Use <= cluster_highest_sessionid rather than < MAXSESSION in a
- couple of loops.
-- Don't kill a whole tunnel if we're out of sessions.
-- Change session[s].ip to 0 if set from RADIUS to 255.255.255.254;
- avoids the possibility that it will be interpreted as a valid IP
- address.
-- Avoid a possible buffer overflow in processpap.
-- Kill session if authentication was rejected.
- Simplify AVP unhiding code.
- Add optional "username" parameter to ungarden control, allowing the
username to be reset before going online.
- Add result/error codes to CDN when shutting down sessions. Sends 2/7
(general error, try another LNS) when out of IP addresses, and 3
(adminstrative) for everything else (suggestion from Chris Gates).
-- Only send RADIUS stop record in sessionshutdown when there's an ip address.
-- Reset .die on master takeover (so that dying sessions don't have to
- hang around until the new master has the same uptime as the old one).
-- Update .last_packet in cluster_handle_bytes only when there have
- been bytes received from the modem (dead sessions were having the
- idle timeout reset by stray packets).
- Use cli_error() for error messages and help.
-- Add a Cisco-Avpair with intercept details to RADIUS Start/Stop
- records.
- Don't use LOG() macro in initdata() until the config struct has been
allocated (uses config->debug).
- Initialise log_stream to stderr to catch errors before the config file
is read.
+- Make "show running-config" a privileged command (contains clear text
+ shared secrets).
+- Add sessionctl plugin to provide drop/kill via nsctl.
+- New config option: allow_duplicate_users which determines whether
+ or not to kill older sessions with the same username.
+- Fix byte counters in accounting records.
+- Add Acct-Output-Gigawords, Acct-Input-Gigawords attributes to RADIUS
+ accounting packets.
+- Fix icmp host unreachable to use router address.
+- Include endpoint address in accounting dump files.
+- Convert mainloop to use epoll rather than select.
+- Add note about fragmentation in Docs/manual.html, and a sample
+ iptables rule for MSS clamping.
+- Merge 2.0.22:
+ + Show session open time in "show session"/"show user" detailed output.
+ + Have slaves with BGP configured drop BGP on receipt of a shutdown
+ signal, but hang about for an additional 5s to process any remaining
+ traffic.
+ + Run regular_cleanups after processing the results of the select,
+ looking at a sufficient slice of each table to ensure that all
+ entries are examined at least once per second.
+- Merge 2.0.21:
+ + Cluster changes from Michael, intended to prevent a stray master
+ from trashing a cluster:
+ = Ignore heartbeats from peers claiming to be the master before the
+ timeout on the old master has expired.
+ = A master receiving a stray heartbeat sends a unicast HB back, which
+ should cause the rogue to die due to the tie-breaker code.
+ = Keep probing the master for late heartbeats.
+ = Drop BGP as soon as we become master with the minumum required peers.
+ = Any PING seen from a master forces an election (rather than just
+ where basetime is zero).
+ = A slave which receives a LASTSEEN message (presumably a restarted
+ master) sends back new message type, C_MASTER which indicates the
+ address of the current master.
+ + New config option: cluster_master_min_adv which determines the minimum
+ number of up to date slaves required before the master will drop
+ routes.
+- Merge 2.0.20:
+ + Add handling of "throttle=N" RADIUS attributes.
+ + Fix RADIUS indexing (should have 16K entries with 64 sockets).
+- Merge 2.0.19:
+ + Fix leak in session freelist when initial RADIUS session allocation
+ fails.
+- Merge 2.0.18:
+ + Add a Cisco-Avpair with intercept details to RADIUS Start/Stop
+ records.
+- Merge 2.0.17:
+ + Only send RADIUS stop record in sessionshutdown when there's an ip address.
+ + Reset .die on master takeover (so that dying sessions don't have to
+ hang around until the new master has the same uptime as the old one).
+ + Update .last_packet in cluster_handle_bytes only when there have
+ been bytes received from the modem (dead sessions were having the
+ idle timeout reset by stray packets).
+- Merge 2.0.16:
+ + Ensure that sessionkill is not called on an unopened session (borks
+ the freelist).
+ + Bump MAXSESSION to 60K.
+ + Fix off-by-one errors in session/tunnel initialisation and
+ sessiont <-> sessionidt functions.
+ + Use session[s].opened consistently when checking for in-use sessions
+ (rather than session[s].tunnel).
+ + Use <= cluster_highest_sessionid rather than < MAXSESSION in a
+ couple of loops.
+ + Don't kill a whole tunnel if we're out of sessions.
+ + Change session[s].ip to 0 if set from RADIUS to 255.255.255.254;
+ avoids the possibility that it will be interpreted as a valid IP
+ address.
+ + Avoid a possible buffer overflow in processpap.
+ + Kill session if authentication was rejected.
+- Merge 2.0.15:
+ + More DoS prevention: add packet_limit option to apply a hard limit
+ to downstream packets per session.
+ + Fix "clear counters".
+ + Log "Accepted connection to CLI" at 4 when connection is from localhost
+ to reduce noise in logs.
+ + Show time since last counter reset in "show counters".
+- Merge 2.0.14:
+ + Throttle outgoing LASTSEEN packets to at most one per second for a
+ given seq#.
* Fri Dec 17 2004 Brendan O'Dea <bod@optusnet.com.au> 2.0.13
- Better cluster master collision resolution: keep a counter of state