X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/be9b20412d04fe8e2b221d12902638a0dcda3db9..a350423d38f12d40b50a2d253ef2516d4409c2bc:/Changes diff --git a/Changes b/Changes index 8336c72..dee7915 100644 --- a/Changes +++ b/Changes @@ -1,3 +1,159 @@ +* Mon May 30 2005 Brendan O'Dea 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 every 1/10th second, looking at a sufficient + slice of each table to ensure that each entry is examined at least + once per second. + +* Mon May 23 2005 Brendan O'Dea 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. + +* Mon May 16 2005 Brendan O'Dea 2.0.20 +- Add handling of "throttle=N" RADIUS attributes. +- Fix RADIUS indexing (should have 16K entries with 64 sockets). + +* Sat May 7 2005 Brendan O'Dea 2.0.19 +- Fix leak in session freelist when initial RADIUS session allocation + fails. + +* Tue May 3 2005 Brendan O'Dea 2.0.18 +- Add a Cisco-Avpair with intercept details to RADIUS Start/Stop + records. + +* Mon May 2 2005 Brendan O'Dea 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). + +* Mon Feb 14 2005 Brendan O'Dea 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. + +* Thu Jan 13 2005 Brendan O'Dea 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". + +* Mon Dec 20 2004 Brendan O'Dea 2.0.14 +- Throttle outgoing LASTSEEN packets to at most one per second for a + given seq#. + +* Fri Dec 17 2004 Brendan O'Dea 2.0.13 +- Better cluster master collision resolution: keep a counter of state + changes, propagated in the heartbeats; the master with the highest # + of changes (that has kept in contact with the LAC through the + outage) prevails. +- Skip newlines in ringbuffer messages to CLI. +- Drop "Session N is closing" message level to 4; don't process PPPIP + packets in this state. +- Use gzip --best for man pages, include pid_file in sample + startup-config (from Jonathan's Debian package patches). +- Read multiple packets off cluster_sockfd as well as udpfd, tunfd in an + attempt to avoid losing the cluster in high load (DoS) conditions. +- Add counters for select_called, multi_read_used and multi_read_exceeded. +- Compress logs. +- Retain counters of shutdown sessions to dump once per minute. +- Use standard uintN_t types for portability. + +* Wed Dec 1 2004 Brendan O'Dea 2.0.12 +- The "This time, for sure!" release. +- Fix throttlectl plugin argument parsing. + +* Wed Dec 1 2004 Brendan O'Dea 2.0.11 +- Don't send a RADIUS start record when ungardening on shutdown. + +* Wed Dec 1 2004 Brendan O'Dea 2.0.10 +- Fix byte ordering of LCP header length (thanks Yuri). +- Increase ip_conntrack_max due to dropped packets. + +* Tue Nov 30 2004 Brendan O'Dea 2.0.9 +- Revise CCP, send ConfigReq once only. +- Don't copy the old buffer into Config{Nak,Rej} LCP responses (oops); + add length checks when appending. +- Do copy the identifier from the request and update length. +- Have makeppp print a backtrace on overflow. +- Check control serial before clearing window, prevents looping tunnel + setup in some instances. +- Implement named access-lists which may be applied to a session + either via Filter-Id RADIUS responses, or using the CLI. +- Drop ip address from LOG. +- autothrottle: revise parsing; ignore lcp:interface-config avpairs + which don't start with serv[ice-policy]. +- Add THANKS file. + +* Sat Nov 20 2004 Brendan O'Dea 2.0.8 +- Ignore gateway address in Framed-Route (from Jonathan McDowell). +- Don't route Framed-IP-Address if contained in a Framed-Route. +- Call sessionshutdown() when a tunnel is dropped rather than + sessionkill() to ensure that RADIUS stop records are sent. +- Cleanup: make a bunch of global functions/variables static. +- Remove reference to old -a command line argument. +- Add l2tpns(8) and nsctl(8) manpages from Jonathan McDowell. +- Add startup-config(5) manpage. +- Revise nsctl to allow arbitrary strings/args to be passed to plugins. +- Add snoopctl, throttlectl plugins. +- Fix deletion from linked list. +- Allow LCP re-negotiation after connection completes (thanks Yuri). + +* Mon Nov 15 2004 Brendan O'Dea 2.0.7 +- Fix socket creation in host_unreachable() (thanks to Bjørn Augestad) +- Don't assume BGP peer sends back negotiated hold time, pick smallest + +* Thu Nov 11 2004 Brendan O'Dea 2.0.6 +- Make BGP keepalive/hold time configurable +- Revise BGP config to use "router bgp AS" syntax (requires libcli >= 1.8.2) + +* Tue Nov 9 2004 Brendan O'Dea 2.0.5 +- Handle routing properly in lone-master case +- Fix intercepts: don't double-snoop throttled customers, ensure + byte/packet counts are only updated once +- Add a callback to allow plugins to fetch values from the running config + +* Mon Nov 8 2004 Brendan O'Dea 2.0.4 +- Added setrxspeed plugin +- Added peer_address config option +- Rename wrapper macros to LOG()/LOG_HEX(), use p->log() in plugins +- Replace some PPP{PAP,CHAP} magic numebrs with constants +- Nak asyncmap (unless == 0) +- Bundle ConfigRej options +- Clean up initlcp handling + * Wed Nov 3 2004 Brendan O'Dea 2.0.3 - Added support for hidden AVPs by Robert Clark - l2tpns-chap-response.patch from Robert Clark