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1 fping 5.1 (2022-02-06) 2 ====================== 3 4 ## Bugfixes and other changes 5 6 - Use setcap to specify specific files in fping.spec (#232, thanks @zdyxry) 7 - Netdata: use host instead name as family label (#226, thanks @k0ste) 8 - Netdata: use formatstring macro PRId64 (#229, thanks @gsnw) 9 - Allow -4 option to be given multiple times (#215, thanks @normanr) 10 - Documentation fix (#208, thanks @timgates42) 11 - Retain privileges until after privileged setsockopt (#200, thanks @simetnicbr) 12 - Set bind to source only when option is set (#198, thanks @dinoex) 13 - Update Azure test pipeline (#197, thanks @gsnw) 14 - Fix getnameinfo not called properly for IPv4 (#227, thanks @aafbsd) 15 - Fixed wrong timestamp under Free- and OpenBSD and macOS (#217, thanks @gsnw) 16 - Documentation updates (#240, thanks @auerswal) 17 - Updated autotools (autoconf 2.71, automake 1.16.5, libtool 2.4.6) 18 19 20 fping 5.0 (2020-08-05) 21 ====================== 22 23 ## Incompatible Changes 24 25 - In non-quiet loop and count mode, a line is printed for every lost packet 26 (#175, thanks @kbucheli): 27 28 ``` 29 $ fping -D -c2 8.8.8.8 8.8.8.7 30 [1596092373.18423] 8.8.8.8 : [0], 64 bytes, 12.8 ms (12.8 avg, 0% loss) 31 [1596092374.18223] 8.8.8.7 : [0], timed out (NaN avg, 100% loss) 32 [1596092374.18424] 8.8.8.8 : [1], 64 bytes, 12.3 ms (12.5 avg, 0% loss) 33 [1596092375.18344] 8.8.8.7 : [1], timed out (NaN avg, 100% loss) 34 35 8.8.8.8 : xmt/rcv/%loss = 2/2/0%, min/avg/max = 12.3/12.5/12.8 36 8.8.8.7 : xmt/rcv/%loss = 2/0/100% 37 ``` 38 39 - The returned size in bytes now always excludes the IP header, so if before it 40 reported '84 bytes' e.g. when using 'fping -l', now it reports '64 bytes'. 41 This is to make the reported size consistent with ping(8) from iputils and 42 also with fping when pinging a IPv6 host (which never included the IPv6 43 header size). 44 45 ## New features 46 47 - The number of sent pings is only counted when the pings are received or have 48 timed out, ensuring that the loss ratio will be always correct. This makes it 49 possible, for example, to use loop mode (-l) with interval statistics (-Q) 50 and a timeout larger than period, without having the issue that initially 51 some pings would be reported as missing (#193) 52 53 - Improved precision of measurements from 10us to 1us (#136, thanks @tycho) 54 55 ## Bugfixes and other changes 56 57 - The reported size of received packets is now always correct on Linux even for 58 packets > 4096 bytes (#180) 59 60 - Travis CI automated testing now also macos testing and additional ubuntu 61 distributions (#196) 62 63 fping 4.4 (2020-07-24) 64 ====================== 65 ## Bugfixes and other changes 66 67 - Fix wrong ident used for normal (non-unprivileged) pings (#191, thanks @tycho) 68 - Fix build with --disable-ipv6 (#187, thanks Polynomial-C) 69 70 fping 4.3 (2020-07-11) 71 ====================== 72 73 ## New features 74 75 - Linux unprivileged ping support (#173, thanks @tycho) 76 - Add SIGQUIT summary support similar to ping (#185, thanks @laddp) 77 78 ## Bugfixes and other changes 79 80 - Corrected long option name of -s to --stats (#148, thanks @wopfel) 81 - Do not fail if using fping6 with -6 flag (#149, thanks @stromnet) 82 - Fail if interface binding (-I) does not work (#162, thanks @kbucheli) 83 - Fix using option -4 when fping is compiled IPv4-only (#154, thanks @pbhenson) 84 - Add Azure pipeline test build (#153 and #170, thanks @gsnw) 85 - GCC 10 compatibility fixes (#167 and #168, thanks @cranderson) 86 - Macos build fix (#174, thanks @tycho) 87 - Fix xmt stats in Netdata output (#172, thanks @vlvkobal) 88 - Only increase num_alive if response is not a duplicate (#151, thanks @brownowski) 89 - Use line buffering for stdout (#179, thanks @bg6cq) 90 91 fping 4.2 (2019-02-19) 92 ====================== 93 94 ## New features 95 96 - New option -x / --reachable to check if the number of reachable hosts is >= a certain 97 number. Useful for example to implement connectivity-checks (#138, thanks @deepak0004) 98 99 ## Bugfixes and other changes 100 101 - Allow decimal numbers for '-t', '-i', '-p', and '-Q' 102 - Fix build with --disable-ipv6 (#134, thanks @Polynomial-C) 103 - Fix hang with '-6', with ipv6 kernel module, but not loaded (#140, thanks @abelbeck) 104 - Assume '-6' if the binary is named 'fping6' (this is mostly for special 105 embedded-distro use cases, and not meant to be used generally in place of 106 compiling IPv6-only binary or using '-6', see also the notes in #139, thanks 107 abelbeck) 108 - Get rid of warning "timeout (-t) value larger than period (-p) produces unexpected results" 109 (#142, thanks @MrDragon1122) 110 111 112 fping 4.1 (2018-09-17) 113 ====================== 114 115 ## Bugfixes and other changes 116 117 - Fix problem when socket fd is 0 (#125, thanks Ramón Novoa!) 118 - Fix running on servers with disabled IPv6 (#118, thanks Simon Matter) 119 - Allow running "fping -h" or "--help" even when raw socket can't be opened (#131, thanks @teto) 120 - Fix build issue with FreeBSD and IPv6 (#132, thanks @gsnw) 121 122 fping 4.0 (2017-04-23) 123 ====================== 124 125 ## Incompatible Changes 126 127 ##### fping and fping6 unification 128 129 fping and fping6 are now unified into one binary. It means that, for example, 130 doing 'fping google.com' is going to ping the IPv6 IP of google.com on 131 IPv6-enabled hosts. 132 133 If you need exact compatibility with old versions, you can configure and 134 install fping twice: once for ipv4, and once for ipv6: 135 136 ./configure --disable-ipv6; make clean install 137 ./configure --disable-ipv4 --program-suffix=6; make clean install 138 139 ##### Option -n, not the same as -d anymore 140 141 Option -n / --name is now doing a reverse-DNS lookups on host addresses, 142 only if they are given as IP address, but not for hostnames. For example, 143 if you write 'fping -n google.com', fping would previously do a 144 forward-DNS lookup on google.com, and then a reverse-DNS lookup on the 145 resolved IP address. Now, it is just going to keep the name 'google.com'. 146 That same behavior can be achieved with the option -d / --rdns (which was 147 previously an alias for -n). 148 149 fping<4.0 fping>=4.0 150 fping -n NAME NAME->IP->IPNAME NAME 151 fping -d NAME NAME->IP->IPNAME NAME->IP->IPNAME 152 153 ##### Discarding of late packets 154 155 fping will now discard replies, if they arrive after the defined timeout 156 for reply packets, specified with -t. This change is relevant only for the 157 count and loop modes, where the measured times should be now more 158 consistent (see github issue [#32][i32] for details). 159 160 To prevent loosing reply packets because of this change, the default 161 timeout in count and loop modes is now automatically adjusted to the 162 period interval (up to 2000 ms), but it can be overriden with the -t 163 option. The default timeout for non-loop/count modes remains 500 ms. 164 165 ##### No restrictions by default 166 167 fping will not enforce -i >= 1 and -p >= 10 anymore, except if you 168 './configure --enable-safe-limits'. 169 170 The reasoning to removing the restrictions by default, is that users can 171 clog the network with other tools anyway, and these restrictions are 172 sometimes getting in the way (for example if you try to ping a lot of 173 hosts). 174 175 ##### Default interval (-i) changed from 25ms to 10ms 176 177 The default minimum interval between ping probes has been changed from 178 25ms to 10ms. The reason is that 25ms is very high, considering today's 179 fast networks: it generates at most 31 kbps of traffic (for IPv4 and 180 default payload size). 181 182 ## New features 183 184 - Unified 'fping' and 'fping6' into one binary ([#80][i80]) 185 - Long option names for all options 186 - IPv6 enabled by default 187 - New option -4 to force IPv4 188 - New option -6 to force IPv6 189 - Keep original name if a hostname is given with -n/--name 190 - Option -d/--rdns now always does a rdns-lookup, even for names, as '-n' was doing until now 191 - Enforce -t timeout on reply packets, by discarding late packets ([#32][i32]) 192 - Auto-adjust timeout for -c/-C/-l mode to value of -p 193 194 ## Bugfixes and other changes 195 196 - -i/-p restrictions disabled by default (enable with --enable-safe-limits) 197 - Default interval -i changed from 25ms to 10ms 198 - Fix compatibility issue with GNU Hurd 199 - A C99 compiler is now required 200 - Option parsing with optparse (https://github.com/skeeto/optparse). Thanks Christopher Wellons! 201 - New changelog file format 202 203 [i32]: https://github.com/schweikert/fping/issues/32 204 [i80]: https://github.com/schweikert/fping/issues/80 205 206 (see doc/CHANGELOG.pre-v4 for older changes)