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| New in version 3.2 | |
| ================== | |
| Enhancements | |
| ------------ | |
| * Improve stability with NTP sources and reference clocks | |
| * Improve stability with hardware timestamping | |
| * Improve support for NTP interleaved modes | |
| * Control frequency of system clock on macOS 10.13 and later | |
| * Set TAI-UTC offset of system clock with leapsectz directive | |
| * Minimise data in client requests to improve privacy | |
| * Allow transmit-only hardware timestamping | |
| * Add support for new timestamping options introduced in Linux 4.13 | |
| * Add root delay, root dispersion and maximum error to tracking log | |
| * Add mindelay and asymmetry options to server/peer/pool directive | |
| * Add extpps option to PHC refclock to timestamp external PPS signal | |
| * Add pps option to refclock directive to treat any refclock as PPS | |
| * Add width option to refclock directive to filter wrong pulse edges | |
| * Add rxfilter option to hwtimestamp directive | |
| * Add -x option to disable control of system clock | |
| * Add -l option to log to specified file instead of syslog | |
| * Allow multiple command-line options to be specified together | |
| * Allow starting without root privileges with -Q option | |
| * Update seccomp filter for new glibc versions | |
| * Dump history on exit by default with dumpdir directive | |
| * Use hardening compiler options by default | |
| Bug fixes | |
| --------- | |
| * Don't drop PHC samples with low-resolution system clock | |
| * Ignore outliers in PHC tracking, RTC tracking, manual input | |
| * Increase polling interval when peer is not responding | |
| * Exit with error message when include directive fails | |
| * Don't allow slash after hostname in allow/deny directive/command | |
| * Try to connect to all addresses in chronyc before giving up | |
| New in version 3.1 | |
| ================== | |
| Enhancements | |
| ------------ | |
| * Add support for precise cross timestamping of PHC on Linux | |
| * Add minpoll, precision, nocrossts options to hwtimestamp directive | |
| * Add rawmeasurements option to log directive and modify measurements | |
| option to log only valid measurements from synchronised sources | |
| * Allow sub-second polling interval with NTP sources | |
| Bug fixes | |
| --------- | |
| * Fix time smoothing in interleaved mode | |
| New in version 3.0 | |
| ================== | |
| Enhancements | |
| ------------ | |
| * Add support for software and hardware timestamping on Linux | |
| * Add support for client/server and symmetric interleaved modes | |
| * Add support for MS-SNTP authentication in Samba | |
| * Add support for truncated MACs in NTPv4 packets | |
| * Estimate and correct for asymmetric network jitter | |
| * Increase default minsamples and polltarget to improve stability | |
| with very low jitter | |
| * Add maxjitter directive to limit source selection by jitter | |
| * Add offset option to server/pool/peer directive | |
| * Add maxlockage option to refclock directive | |
| * Add -t option to chronyd to exit after specified time | |
| * Add partial protection against replay attacks on symmetric mode | |
| * Don't reset polling interval when switching sources to online state | |
| * Allow rate limiting with very short intervals | |
| * Improve maximum server throughput on Linux and NetBSD | |
| * Remove dump files after start | |
| * Add tab-completion to chronyc with libedit/readline | |
| * Add ntpdata command to print details about NTP measurements | |
| * Allow all source options to be set in add server/peer command | |
| * Indicate truncated addresses/hostnames in chronyc output | |
| * Print reference IDs as hexadecimal numbers to avoid confusion with | |
| IPv4 addresses | |
| Bug fixes | |
| --------- | |
| * Fix crash with disabled asynchronous name resolving | |
| New in version 2.4.1 | |
| ==================== | |
| Bug fixes | |
| --------- | |
| * Fix processing of kernel timestamps on non-Linux systems | |
| * Fix crash with smoothtime directive | |
| * Fix validation of refclock sample times | |
| * Fix parsing of refclock directive | |
| New in version 2.4 | |
| ================== | |
| Enhancements | |
| ------------ | |
| * Add orphan option to local directive for orphan mode compatible with ntpd | |
| * Add distance option to local directive to set activation threshold | |
| (1 second by default) | |
| * Add maxdrift directive to set maximum allowed drift of system clock | |
| * Try to replace NTP sources exceeding maximum distance | |
| * Randomise source replacement to avoid getting stuck with bad sources | |
| * Randomise selection of sources from pools on start | |
| * Ignore reference timestamp as ntpd doesn't always set it correctly | |
| * Modify tracking report to use same values as seen by NTP clients | |
| * Add -c option to chronyc to write reports in CSV format | |
| * Provide detailed manual pages | |
| Bug fixes | |
| --------- | |
| * Fix SOCK refclock to work correctly when not specified as last refclock | |
| * Fix initstepslew and -q/-Q options to accept time from own NTP clients | |
| * Fix authentication with keys using 512-bit hash functions | |
| * Fix crash on exit when multiple signals are received | |
| * Fix conversion of very small floating-point numbers in command packets | |
| Removed features | |
| ---------------- | |
| * Drop documentation in Texinfo format | |
| New in version 2.3 | |
| ================== | |
| Enhancements | |
| ------------ | |
| * Add support for NTP and command response rate limiting | |
| * Add support for dropping root privileges on Mac OS X, FreeBSD, Solaris | |
| * Add require and trust options for source selection | |
| * Enable logchange by default (1 second threshold) | |
| * Set RTC on Mac OS X with rtcsync directive | |
| * Allow binding to NTP port after dropping root privileges on NetBSD | |
| * Drop CAP_NET_BIND_SERVICE capability on Linux when NTP port is disabled | |
| * Resolve names in separate process when seccomp filter is enabled | |
| * Replace old records in client log when memory limit is reached | |
| * Don't reveal local time and synchronisation state in client packets | |
| * Don't keep client sockets open for longer than necessary | |
| * Ignore poll in KoD RATE packets as ntpd doesn't always set it correctly | |
| * Warn when using keys shorter than 80 bits | |
| * Add keygen command to generate random keys easily | |
| * Add serverstats command to report NTP and command packet statistics | |
| Bug fixes | |
| --------- | |
| * Fix clock correction after making step on Mac OS X | |
| * Fix building on Solaris | |
| New in version 2.2.1 | |
| ==================== | |
| Security fixes | |
| -------------- | |
| * Restrict authentication of NTP server/peer to specified key (CVE-2016-1567) | |
| New in version 2.2 | |
| ================== | |
| Enhancements | |
| ------------ | |
| * Add support for configuration and monitoring over Unix domain socket | |
| (accessible by root or chrony user when root privileges are dropped) | |
| * Add support for system call filtering with seccomp on Linux (experimental) | |
| * Add support for dropping root privileges on NetBSD | |
| * Control frequency of system clock on FreeBSD, NetBSD, Solaris | |
| * Add system leap second handling mode on FreeBSD, NetBSD, Solaris | |
| * Add dynamic drift removal on Mac OS X | |
| * Add support for setting real-time priority on Mac OS X | |
| * Add maxdistance directive to limit source selection by root distance | |
| (3 seconds by default) | |
| * Add refresh command to get new addresses of NTP sources | |
| * Allow wildcard patterns in include directive | |
| * Restore time from driftfile with -s option if later than RTC time | |
| * Add configure option to set default hwclockfile | |
| * Add -d option to chronyc to enable debug messages | |
| * Allow multiple addresses to be specified for chronyc with -h option | |
| and reconnect when no valid reply is received | |
| * Make check interval in waitsync command configurable | |
| Bug fixes | |
| --------- | |
| * Fix building on NetBSD, Solaris | |
| * Restore time from driftfile with -s option if reading RTC failed | |
| Removed features | |
| ---------------- | |
| * Drop support for authentication with command key (run-time configuration | |
| is now allowed only for local users that can access the Unix domain socket) | |
| New in version 2.1.1 | |
| ==================== | |
| Bug fixes | |
| --------- | |
| * Fix clock stepping by integer number of seconds on Linux | |
| New in version 2.1 | |
| ================== | |
| Enhancements | |
| ------------ | |
| * Add support for Mac OS X | |
| * Try to replace unreachable and falseticker servers/peers specified | |
| by name like pool sources | |
| * Add leaponly option to smoothtime directive to allow synchronised | |
| leap smear between multiple servers | |
| * Use specific reference ID when smoothing served time | |
| * Add smoothing command to report time smoothing status | |
| * Add smoothtime command to activate or reset time smoothing | |
| Bug fixes | |
| --------- | |
| * Fix crash in source selection with preferred sources | |
| * Fix resetting of time smoothing | |
| * Include packet precision in peer dispersion | |
| * Fix crash in chronyc on invalid command syntax | |
| New in version 2.0 | |
| ================== | |
| Enhancements | |
| ------------ | |
| * Update to NTP version 4 (RFC 5905) | |
| * Add pool directive to specify pool of NTP servers | |
| * Add leapsecmode directive to select how to correct clock for leap second | |
| * Add smoothtime directive to smooth served time and enable leap smear | |
| * Add minsources directive to set required number of selectable sources | |
| * Add minsamples and maxsamples options for all sources | |
| * Add tempcomp configuration with list of points | |
| * Allow unlimited number of NTP sources, refclocks and keys | |
| * Allow unreachable sources to remain selected | |
| * Improve source selection | |
| * Handle offline sources as unreachable | |
| * Open NTP server port only when necessary (client access is allowed by | |
| allow directive/command or peer/broadcast is configured) | |
| * Change default bindcmdaddress to loopback address | |
| * Change default maxdelay to 3 seconds | |
| * Change default stratumweight to 0.001 | |
| * Update adjtimex synchronisation status | |
| * Use system headers for adjtimex | |
| * Check for memory allocation errors | |
| * Reduce memory usage | |
| * Add configure options to compile without NTP, cmdmon, refclock support | |
| * Extend makestep command to set automatic clock stepping | |
| Bug fixes | |
| --------- | |
| * Add sanity checks for time and frequency offset | |
| * Don't report synchronised status during leap second | |
| * Don't combine reference clocks with close NTP sources | |
| * Fix accepting requests from configured sources | |
| * Fix initial fallback drift setting | |
| New in version 1.31.1 | |
| ===================== | |
| Security fixes | |
| -------------- | |
| * Protect authenticated symmetric NTP associations against DoS attacks | |
| (CVE-2015-1853) | |
| * Fix access configuration with subnet size indivisible by 4 (CVE-2015-1821) | |
| * Fix initialization of reply slots for authenticated commands (CVE-2015-1822) | |
| New in version 1.31 | |
| =================== | |
| Enhancements | |
| ------------ | |
| * Support operation in other NTP eras (next era begins in 2036), | |
| NTP time is mapped to [-50, +86] years around build date by default | |
| * Restore time from driftfile with -s when RTC is missing/unsupported | |
| * Close connected client sockets when not waiting for reply | |
| * Use one client socket with random port when acquisitionport is 0 | |
| * Use NTP packets instead of UDP echo for presend | |
| * Don't adjust polling interval when sending fails | |
| * Allow binding to addresses that don't exist yet | |
| * Ignore measurements around leap second | |
| * Improve detection of unexpected time jumps | |
| * Include example of logrotate configuration, systemd services and | |
| NetworkManager dispatcher script | |
| Bug fixes | |
| --------- | |
| * Reconnect client sockets for each request to follow changes | |
| in network configuration automatically | |
| * Restart timer when polling interval is changed on reset | |
| New in version 1.30 | |
| =================== | |
| Enhancements | |
| ------------ | |
| * Add asynchronous name resolving with POSIX threads | |
| * Add PTP hardware clock (PHC) refclock driver | |
| * Add new generic clock driver to slew by adjusting frequency only | |
| (without kernel PLL or adjtime) and use it on Linux | |
| * Add rtcautotrim directive to trim RTC automatically | |
| * Add hwclockfile directive to share RTC LOCAL/UTC setting with hwclock | |
| * Add maxslewrate directive to set maximum allowed slew rate | |
| * Add maxdispersion option for refclocks | |
| * Add -q/-Q options to set clock/print offset once and exit | |
| * Allow directives to be specified on chronyd command line | |
| * Replace frequency scaling in Linux driver with retaining of tick | |
| * Try to detect unexpected forward time jumps and reset state | |
| * Exit with non-zero code when maxchange limit is reached | |
| * Improve makestep to not start and stop slew unnecessarily | |
| * Change default corrtimeratio to 3.0 to improve frequency accuracy | |
| * Announce leap second only on last day of June and December | |
| * Use separate connected client sockets for each NTP server | |
| * Remove separate NTP implementation used for initstepslew | |
| * Limit maximum minpoll set by KoD RATE to default maxpoll | |
| * Don't send NTP requests with unknown key | |
| * Print warning when source is added with unknown key | |
| * Take leap second in PPS refclock from locked source | |
| * Make reading of RTC for initial trim more reliable | |
| * Don't create cmdmon sockets when cmdport is 0 | |
| * Add configure option to set default user to drop root privileges | |
| * Add configure option to compile with debug messages | |
| * Print debug messages when -d is used more than once | |
| * Change format of messages written to terminal with -d | |
| * Write fatal messages also to stderr with -n | |
| * Use IP_RECVERR socket option in chronyc to not wait unnecessarily | |
| * Shorten default chronyc timeout for localhost | |
| * Change default hostname in chronyc from localhost to 127.0.0.1 | |
| * Print error message on invalid syntax with all chronyc commands | |
| * Include simulation test suite using clknetsim | |
| Bug fixes | |
| --------- | |
| * Fix crash when selecting with multiple preferred sources | |
| * Fix frequency calculation with large frequency offsets | |
| * Fix code writing drift and RTC files to compile correctly | |
| * Fix -4/-6 options in chronyc to not reset hostname set by -h | |
| * Fix refclock sample validation with sub-second polling interval | |
| * Set stratum correctly with non-PPS SOCK refclock and local stratum | |
| * Modify dispersion accounting in refclocks to prevent PPS getting | |
| stuck with large dispersion and not accepting new samples | |
| New in version 1.29.1 | |
| ===================== | |
| Security fixes | |
| -------------- | |
| * Modify chronyc protocol to prevent amplification attacks (CVE-2014-0021) | |
| (incompatible with previous protocol version, chronyc supports both) | |
| New in version 1.29 | |
| =================== | |
| Security fixes | |
| -------------- | |
| * Fix crash when processing crafted commands (CVE-2012-4502) | |
| (possible with IP addresses allowed by cmdallow and localhost) | |
| * Don't send uninitialized data in SUBNETS_ACCESSED and CLIENT_ACCESSES | |
| replies (CVE-2012-4503) (not used by chronyc) | |
| Other changes | |
| ------------- | |
| * Drop support for SUBNETS_ACCESSED and CLIENT_ACCESSES commands | |
| New in version 1.28 | |
| =================== | |
| * Combine sources to improve accuracy | |
| * Make config and command parser strict | |
| * Add -a option to chronyc to authenticate automatically | |
| * Add -R option to ignore initstepslew and makestep directives | |
| * Add generatecommandkey, minsamples, maxsamples and user directives | |
| * Improve compatibility with NTPv1 and NTPv2 clients | |
| * Create sockets only in selected family with -4/-6 option | |
| * Treat address bind errors as non-fatal | |
| * Extend tracking log | |
| * Accept float values as initstepslew threshold | |
| * Allow hostnames in offline, online and burst commands | |
| * Fix and improve peer polling | |
| * Fix crash in config parsing with too many servers | |
| * Fix crash with duplicated initstepslew address | |
| * Fix delta calculation with extreme frequency offsets | |
| * Set local stratum correctly | |
| * Remove unnecessary adjtimex calls | |
| * Set paths in documentation by configure | |
| * Update chrony.spec | |
| New in version 1.27 | |
| =================== | |
| * Support for stronger keys via NSS or libtomcrypt library | |
| * Support reading leap second data from tz database | |
| * Support for precise clock stepping on Linux | |
| * Support for nanoseconds in SHM refclock | |
| * Make offset corrections smoother on Linux | |
| * Make transmit timestamps random below clock precision | |
| * Add corrtimeratio and maxchange directives | |
| * Extend tracking, sources and activity reports | |
| * Wait in foreground process until daemon is fully initialized | |
| * Fix crash with slow name resolving | |
| * Fix iburst with jittery sources | |
| * Fix offset stored in rtc data right after trimrtc | |
| * Fix crash and hang with RTC or manual samples | |
| * Don't use readonly adjtime on Linux kernels before 2.6.28 | |
| * Changed chronyc protocol, incompatible with older versions | |
| New in version 1.26 | |
| =================== | |
| * Add compatibility with Linux 3.0 and later | |
| * Use proper source address in NTP replies on multihomed IPv6 hosts | |
| * Accept NTP packets with versions 4, 3 and 2 | |
| * Cope with unexpected backward time jumps | |
| * Don't reset kernel frequency on start without drift file | |
| * Retry on permanent DNS error by default | |
| * Add waitsync command | |
| New in version 1.25 | |
| =================== | |
| * Improve accuracy with NTP sources | |
| * Improve accuracy with reference clocks | |
| * Improve polling interval adjustment | |
| * Improve stability with temporary asymmetric delays | |
| * Improve source selection | |
| * Improve initial synchronisation | |
| * Add delayed server name resolving | |
| * Add temperature compensation | |
| * Add nanosecond slewing to Linux driver | |
| * Add fallback drifts | |
| * Add iburst, minstratum, maxdelaydevratio, polltarget, | |
| prefer, noselect options | |
| * Add rtcsync directive to enable Linux 11-minute mode | |
| * Add reselectdist, stratumweight, logbanner, maxclockerror, | |
| include directives | |
| * Add -n option to not detach daemon from terminal | |
| * Fix pidfile directive | |
| * Fix name resolving with disabled IPv6 support | |
| * Fix reloading sample histories with reference clocks | |
| * Fix crash with auto_offline option | |
| * Fix online command on auto_offline sources | |
| * Fix file descriptor leaks | |
| * Increase burst polling interval and stop on KoD RATE | |
| * Set maxupdateskew to 1000 ppm by default | |
| * Require password for clients command | |
| * Update drift file at most once per hour | |
| * Use system headers for Linux RTC support | |
| * Reduce default chronyc timeout and make it configurable | |
| * Avoid large values in chronyc sources and sourcestats output | |
| * Add reselect command to force reselecting best source | |
| * Add -m option to allow multiple commands on command line | |
| New in version 1.24 | |
| =================== | |
| Security fixes | |
| -------------- | |
| * Don't reply to invalid cmdmon packets (CVE-2010-0292) | |
| * Limit client log memory size (CVE-2010-0293) | |
| * Limit rate of syslog messages (CVE-2010-0294) | |
| Bug fixes/Enhancements | |
| ---------------------- | |
| * Support for reference clocks (SHM, SOCK, PPS drivers) | |
| * IPv6 support | |
| * Linux capabilities support (to drop root privileges) | |
| * Memory locking support on Linux | |
| * Real-time scheduler support on Linux | |
| * Leap second support on Linux | |
| * Support for editline library | |
| * Support for new Linux readonly adjtime | |
| * NTP client support for KoD RATE | |
| * Read kernel timestamps for received NTP packets | |
| * Reply to NTP requests with correct address on multihomed hosts | |
| * Retry name resolving after temporary failure | |
| * Fix makestep command, make it available on all systems | |
| * Add makestep directive for automatic clock stepping | |
| * Don't require _bigadj kernel symbol on NetBSD | |
| * Avoid blocking read in Linux RTC driver | |
| * Support for Linux on S/390 and PowerPC | |
| * Fix various bugs on 64-bit systems | |
| * Fix valgrind errors and compiler warnings | |
| * Improve configure to support common options and variables | |
| * Improve status checking and printing in chronyc | |
| * Return non-zero exit code on errors in chronyc | |
| * Reduce request timeout in chronyc | |
| * Print estimated offset in sourcestats | |
| * Changed chronyc protocol, incompatible with older versions | |
| New in version 1.23 | |
| =================== | |
| * Support for MIPS, x86_64, sparc, alpha, arm, FreeBSD | |
| * Fix serious sign-extension error in handling IP addresses | |
| * RTC support can be excluded at compile time | |
| * Make sources gcc-4 compatible | |
| * Fix various compiler warnings | |
| * Handle fluctuations in peer distance better. | |
| * Fixed handling of stratum zero. | |
| * Fix various problems for 64-bit systems | |
| * Flush chronyc output streams after each command, to allow it to be driven | |
| through pipes | |
| * Manpage improvements | |
| Version 1.22 | |
| ============ | |
| This release number was claimed by a release that Mandriva made to patch | |
| important bugs in 1.21. The official numbering has jumped to 1.23 as a | |
| consequence. | |
| New in version 1.21 | |
| =================== | |
| * Don't include Linux kernel header files any longer : allows chrony to compile | |
| on recent distros. | |
| * Stop trying to use RTC if continuous streams of error messages would occur | |
| (Linux with HPET). | |
| New in version 1.20 | |
| =================== | |
| * Many small tidy-ups and security improvements | |
| * Improve documentation (RTC support in post 2.0 kernels) | |
| * Remove trailing \n from syslog messages | |
| * Syslog messages now include IP and port number when packet cannot be sent. | |
| * Added the "acquisitionport" directive. (Kalle Olavi Niemitalo) | |
| * Use uname(2) instead of /proc/version to get kernel version. | |
| * Merge support for Linux on Alpha | |
| * Merge support for 64bit architectures | |
| * Don't link -lm if it's not needed | |
| * Fix Solaris build (broken by 64bit change) | |
| * Add detection of Linux 2.5 | |
| * Allow arbitrary value of HZ in Linux kernel | |
| * Fix for chrony.spec on SuSE (Paul Elliot) | |
| * Fix handling of initstepslew if no servers are listed (John Hasler) | |
| * Fix install rule in Makefile if chronyd is in use (Juliusz Chroboczek) | |
| * Replace sprintf by snprintf to remove risk of buffer overrun (John Hasler) | |
| * Add --help to configure script | |
| New in version 1.19 | |
| =================== | |
| * Auto-detect kernel's timer interrupt rate (so-called 'HZ') when chronyd | |
| starts instead of relying on compiled-in value. | |
| * Fix 2 bugs in function that creates the directory for the log and dump files. | |
| * Amended webpage URL and contact details. | |
| * Generate more informative syslog messages before exiting on failed | |
| assertions. | |
| * Fix bugs in clamping code for the tick value used when slewing a large | |
| offset. | |
| * Don't chown files to root during install (should be pointless, and makes RPM | |
| building awkward as ordinary user.) | |
| * Include chrony.spec file for building RPMs | |
| New in version 1.18 | |
| =================== | |
| * Amend homepage and mailing list information to chrony.sunsite.dk | |
| * Delete pidfile on exit from chronyd. | |
| * Improvements to readline interface to chronyc | |
| * Only generate syslog message when synchronisation is initially lost (instead | |
| of on every failed synchronisation attempt) | |
| * Use double fork approach when initialising daemon. | |
| * More things in contrib directory. | |
| * New options to help package builders: --infodir/--mandir for configure, and | |
| DESTDIR=xxx for make. (See section 2.2 of chrony.txt for details). | |
| * Changed the wording of the messages generated by mailonchange and logchange | |
| directives. | |
| New in version 1.17 | |
| =================== | |
| * Port to NetBSD | |
| * Configuration supports Linux on PPC | |
| * Fix compilation warnings | |
| * Several documentation improvements | |
| * Bundled manpages (taken from the 'missing manpages project') | |
| * Cope with lack of bzero function for Solaris 2.3 systems | |
| * Store chronyd's pid in a file (default /var/run/chronyd.pid) and check if | |
| chronyd may already be running when starting up. New pidfile directive in | |
| configuration file. | |
| * Any size subnet is now allowed in allow and deny commands. (Example: | |
| 6.7.8/20 or 6.7.8.x/20 (any x) mean a 20 bit subnet). | |
| * The environment variables CC and CFLAGS passed to configure can now be used | |
| to select the compiler and optimisation/debug options to use | |
| * Write syslog messages when chronyd loses synchronisation. | |
| * Print GPL text when chronyc is run. | |
| * Add NTP broadcast server capability (new broadcast directive). | |
| * Add 'auto_offline' option to server/peer (conf file) or add server/peer (via | |
| chronyc). | |
| * Add 'activity' command to chronyc, to report how many servers/peers are | |
| currently online/offline. | |
| * Fix long-standing bug with how the system time quantum was calculated. | |
| * Include support for systems with HZ!=100 (HZ is the timer interrupt | |
| frequency). | |
| * Include example chrony.conf and chrony.keys files (examples subdirectory). | |
| * Include support for readline in chronyc. | |
| New in version 1.16.1 | |
| ===================== | |
| * Fix compilation problem on Linux 2.4.13 (spinlock.h / spinlock_t) | |
| New in version 1.16 | |
| =================== | |
| * More informative captions for 'sources' and 'sourcestats' commands in chronyc | |
| (use 'sources -v' and 'sourcestats -v' to get them). | |
| * Correct behaviour for Solaris versions>=2.6 (dosynctodr not required on these | |
| versions.) | |
| * Remove some compiler warnings (Solaris) | |
| * If last line of keys file doesn't have end-of-line, don't truncate final | |
| character of that key. | |
| * Change timestamp format used in logfiles to make it fully numeric (to aid | |
| importing data into spreadsheets etc) | |
| * Minor documentation updates and improvements. | |
| New in version 1.15 | |
| =================== | |
| * Add contributed change to 'configure' to support Solaris 2.8 on x86 | |
| * Workaround for assertion failure that arises if two received packets occur | |
| close together. (Still need to find out why this happens at all.) | |
| * Hopefully fix problem where fast slewing was incompatible with machines | |
| that have a large background drift rate (=> tick value went out of range | |
| for adjtimex() on Linux.) | |
| * Fix rtc_linux.c compile problems with 2.4.x kernel include files. | |
| * Include support for RTC device not being at /dev/rtc (new rtcdevice directive | |
| in configuration file). | |
| * Include support for restricting network interfaces for commands (new | |
| bindcmdaddress directive in configuration file) | |
| * Fix potential linking fault in pktlength.c (use of CROAK macro replaced by | |
| normal assert). | |
| * Add some material on bug reporting + contributing to the chrony.texi file | |
| * Made the chrony.texi file "Vim6-friendly" (removed xrefs on @node lines, | |
| added folding markers to chapters + sections.) | |
| * Switched over to GPL for the licence | |
| New in version 1.14 | |
| =================== | |
| * Fix compilation for certain other Linux distributions (including Mandrake | |
| 7.1) | |
| New in version 1.13 | |
| =================== | |
| * Fixed compilation problems on Redhat/SuSE installations with recent 2.2.x | |
| kernels. | |
| * Minor tidy-ups and documentation enhancements. | |
| * Add support for Linux 2.4 kernels | |
| New in version 1.12 | |
| =================== | |
| * Trial fix for long-standing bug in Linux RTC estimator when system time is | |
| slewed. | |
| * Fix bug in chronyc if -h is specified without a hostname | |
| * Fixes to logging various error conditions when operating in daemon mode. | |
| * More stuff under contrib/ | |
| * Changes to README file (e.g. about the new chrony-users mailing list) | |
| New in version 1.11a | |
| ==================== | |
| * Minor changes to contact details | |
| * Minor changes to installation details (chrony subdirectory under doc/) | |
| New in version 1.11 | |
| =================== | |
| * Improve robustness of installation procedure | |
| * Tidy up documenation and contact details | |
| * Distribute manual as .txt rather than as .ps | |
| * Add -n option to chronyc to work with numeric IP addresses rather than | |
| names. | |
| * Add material in contrib subdirectory | |
| * Improve robustness of handling drift file and RTC coefficients file | |
| * Improve robustness of regression algorithm | |
| New in version 1.1 | |
| ================== | |
| Bug fixes | |
| --------- | |
| * Made linear regression more resistant to rounding errors (old one | |
| occasionally generated negative variances which made everything go | |
| haywire). Trap infinite or 'not-a-number' values being used to | |
| alter system clock to increase robustness further. | |
| Other changes/Enhancements | |
| -------------------------- | |
| * Support for Linux 2.1 and 2.2 kernels | |
| * New command 'makestep' in chronyc to immediately jump the system | |
| time to match the NTP estimated time (Linux only) - a response to | |
| systems booting an hour wrong after summertime/wintertime changes, | |
| due to RTCs running on local time. Needs extending to Sun driver | |
| files too. | |
| * New directives 'logchange' and 'mailonchange' to log to syslog or | |
| email to a specific address respectively if chronyd detects a clock | |
| offset exceeding a defined threshold. | |
| * Added capability to log all client/peer NTP accesses and command | |
| accesses (can be turned off with conf file directive 'noclientlog'). | |
| Added 'clients' command to chronyc to display this data. | |
| * Improved manual mode to use robust regression rather than 2 point | |
| fit. | |
| * Added 'manual list' and 'manual delete' commands to chronyc to | |
| allow display of entered timestamps and discretionary deletion of | |
| outliers. | |
| * If host goes unsynchronised the dummy IP address 0.0.0.0 is detected | |
| to avoid attempting a reverse name lookup (to stop dial on demand IP | |
| links from being started) | |
| * Changed chronyc/chronyd protocol so messages are now all variable | |
| length. Saves on network bandwidth particularly for large replies | |
| from chronyd to chronyc (to support the clients command). | |
| * Added bindaddress directive to configuration file, to give | |
| additional control over limiting which hosts can access the local | |
| server. | |
| * Groundwork done for a port to Windows NT to compile with Cygwin | |
| toolkit. chronyc works (to monitor another host). sys_winnt.c | |
| needs finishing to use NT clock control API. Program structure | |
| needs adapting to use Windows NT service functions, so it can be | |
| started at boot time. Hopefully a Windows NT / Cygwin guru with | |
| some spare time can take this port over :-) | |
| New in version 1.02 | |
| =================== | |
| Bug fixes | |
| --------- | |
| * Fix error messages in chronyc if daemon is not reachable. | |
| * Fix config file problem for 'allow all' and 'deny all' without a | |
| trailing machine address. | |
| * Remove fatal failed assertion if command socket cannot be read from | |
| in daemon. | |
| * Rewrote timezone handling for Linux real time clock, following | |
| various reported problems related to daylight saving. | |
| Other changes/Enhancements | |
| -------------------------- | |
| * Configure script recognizes BSD/386 and uses SunOS 4.1 driver for | |
| it. | |
| * Log files now print date as day-month-year rather than as a day | |
| number. Milliseconds removed from timestamps of logged data. | |
| Banners included in file to give meanings of columns. | |
| * Only do 1 initial step (followed by a trimming slew) when | |
| initialising from RTC on Linux (previously did 2 steps). | |
| New in version 1.01 | |
| =================== | |
| Bug fixes | |
| --------- | |
| * Handle timezone of RTC correctly with respect to daylight saving | |
| time | |
| * Syntax check the chronyc 'local' command properly | |
| * Fixed assertion failed fault in median finder (used by RTC | |
| regression fitting) | |
| Other changes/Enhancements | |
| -------------------------- | |
| * Log selection of new NTP reference source to syslog. | |
| * Don't zero-pad IP address fields | |
| * Add new command to chronyc to allow logfiles to be cycled. | |
| * Extend allow/deny directive syntax in configuration file to so | |
| directive can apply to all hosts on the Internet. | |
| * Tidy up printout of timestamps to make it clear they are in UTC | |
| * Make 'configure' check the processor type as well as the operating | |
| system. |