New changelog format
David Schweikert
8 years ago
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06dfaef9c3
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fping 4.0 (2017-04-23)
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======================
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## Incompatible Changes
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##### fping and fping6 unification
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fping and fping6 are now unified into one binary. It means that, for example,
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doing 'fping google.com' is going to ping the IPv6 IP of google.com on
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IPv6-enabled hosts.
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If you need exact compatibility with old versions, you can configure and
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install fping twice: once for ipv4, and once for ipv6:
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./configure --disable-ipv6; make clean install
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./configure --disable-ipv4 --program-suffix=6; make clean install
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##### Option -n, not the same as -d anymore
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Option -n / --name is now doing a reverse-DNS lookups on host addresses,
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only if they are given as IP address, but not for hostnames. For example,
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if you write 'fping -n google.com', fping would previously do a
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forward-DNS lookup on google.com, and then a reverse-DNS lookup on the
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resolved IP address. Now, it is just going to keep the name 'google.com'.
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That same behavior can be achieved with the option -d / --rdns (which was
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previously an alias for -n).
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fping<4.0 fping>=4.0
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fping -n NAME NAME->IP->IPNAME NAME
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fping -d NAME NAME->IP->IPNAME NAME->IP->IPNAME
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##### Discarding of late packets
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fping will now discard replies, if they arrive after the defined timeout
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for reply packets, specified with -t. This change is relevant only for the
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count and loop modes, where the measured times should be now more
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consistent (see github issue #32 for details).
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To prevent loosing reply packets because of this change, the default
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timeout in count and loop modes is now automatically adjusted to the
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period interval (up to 2000 ms), but it can be overriden with the -t
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option. The default timeout for non-loop/count modes remains 500 ms.
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##### No restrictions by default
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fping will not enforce -i >= 1 and -p >= 10 anymore, except if you
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'./configure --enable-safe-limits'.
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The reasoning to removing the restrictions by default, is that users can
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clog the network with other tools anyway, and these restrictions are
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sometimes getting in the way (for example if you try to ping a lot of
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hosts).
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##### Default interval (-i) changed from 25ms to 10ms
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The default minimum interval between ping probes has been changed from
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25ms to 10ms. The reason is that 25ms is very high, considering today's
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fast networks: it generates at most 31 kbps of traffic (for IPv4 and
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default payload size).
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## New features
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- Unified 'fping' and 'fping6' into one binary (#80)
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- Long option names for all options
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- IPv6 enabled by default
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- New option -4 to force IPv4
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- New option -6 to force IPv6
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- Keep original name if a hostname is given with -n/--name
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- Option -d/--rdns now always does a rdns-lookup, even for names, as '-n' was doing until now
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- Enforce -t timeout on reply packets, by discarding late packets (#32)
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- Auto-adjust timeout for -c/-C/-l mode to value of -p
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## Bugfixes and other changes
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- -i/-p restrictions disabled by default (enable with --enable-safe-limits)
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- Default interval -i changed from 25ms to 10ms
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- Fix compatibility issue with GNU Hurd
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- A C99 compiler is now required
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- Option parsing with optparse (https://github.com/skeeto/optparse). Thanks Christopher Wellons!
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- New changelog file format
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@ -1,55 +0,0 @@
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fping 3 README
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--------------
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fping is a program to send ICMP echo probes to network hosts, similar to ping,
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but much better performing when pinging multiple hosts. fping has a long long
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story: Roland Schemers did publish a first version of it in 1992 and it has
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established itself since then as a standard tool.
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Current maintainer:
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David Schweikert <david@schweikert.ch>
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Website:
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http://fping.org/
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Mailing-list:
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https://groups.google.com/group/fping-users
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Installation
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------------
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If you want to install fping from source, proceed as follows:
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0. Run ./autogen.sh
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(only if you got the source from github)
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1. Run ./configure with the correct arguments
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(see: ./configure --help)
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2. Run make; make install
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3. Make fping either setuid, or, if under Linux:
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sudo setcap cap_net_raw+ep fping
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4. Have a look at the fping(8) manual for usage help
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(fping -h will also give a minimal help output)
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IPv6 support
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------------
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You can can compile fping with support for IPv6 addresses. A separate binary
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is used for that, called fping6. To build it, use ./configure --enable-ipv6
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(possibly combined with --enable-ipv4 to also build fping for IPv4). E.g.:
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# ./configure --prefix=/usr/local --enable-ipv4 --enable-ipv6
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# make
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# make install
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# sudo setcap cap_net_raw+ep /usr/local/bin/fping*
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Credits
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-------
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Original author: Roland Schemers (schemers@stanford.edu)
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Previous maintainer: RL "Bob" Morgan (morgan@stanford.edu)
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Initial IPv6 Support: Jeroen Massar (jeroen@unfix.org / jeroen@ipng.nl)
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Other contributors: see ChangeLog
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@ -1,77 +1,3 @@
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2017-02-13 David Schweikert <david@schweikert.ch>
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* Version 4.0-rc3
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* INCOMPATIBILE CHANGE: fping and fping6 unification
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fping and fping6 are now unified into one binary. It means that, for
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example, doing 'fping google.com' is going to ping the IPv6 IP of
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google.com on IPv6-enabled hosts.
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If you need exact compatibility with old versions, you can configure and
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install fping twice: once for ipv4, and once for ipv6:
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- ./configure --disable-ipv6; make clean install
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- ./configure --disable-ipv4 --program-suffix=6; make clean install
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* INCOMPATIBILE CHANGE: -n option, not the same as -d anymore
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Option -n / --name is now doing a reverse-DNS lookups on host addresses,
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only they are given as IP address, but not for hostnames. For example, if
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you write 'fping -n google.com', fping would previously do a forward-DNS
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lookup on google.com, and then a reverse-DNS lookup on the resolved IP
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address. Now, it is just going to keep the name 'google.com'. That same
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behavior can be achieved with the option -d / --rdns (which was previously
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an alias for -n).
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fping<4.0 fping>=4.0
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fping -n NAME NAME->IP->IPNAME NAME
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fping -d NAME NAME->IP->IPNAME NAME->IP->IPNAME
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* INCOMPATIBILE CHANGE: discard late packets
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fping will now discard replies, if they arrive after the defined timeout
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for reply packets, specified with -t. This change is relevant only for the
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count and loop modes, where the measured times should be now more
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consistent (see github issue #32 for details).
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To prevent loosing reply packets because of this change, the default
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timeout in count and loop modes is now automatically adjusted to the
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period interval (up to 2000 ms), but it can be overriden with the -t
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option. The default timeout for non-loop/count modes remains 500 ms.
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* INCOMPATIBLE CHANGE: no restrictions by default
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fping will not enforce -i >= 1 and -p >= 10 anymore, except if you
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'./configure --enable-safe-limits'.
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The reasoning to removing the restrictions by default, is that users can
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clog the network with other tools anyway, and these restrictions are
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sometimes getting in the way (for example if you try to ping a lot of
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hosts).
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* INCOMPATIBLE CHANGE: default interval (-i) changed from 25ms to 10ms
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The default minimum interval between ping probes has been changed from
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25ms to 10ms. The reason is that 25ms is very high, considering today's
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fast networks: it generates at most 31 kbps of traffic (for IPv4 and
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default payload size).
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* (feature) Unified 'fping' and 'fping6' into one binary (#80)
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* (feature) Long option names for all options
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* (feature) --enable-ipv6 is now default
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* (feature) New option -4 to force IPv4
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* (feature) New option -6 to force IPv6
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* (feature) Keep original name if a hostname is given with -n/--name
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* (feature) Option -d/--rdns now always does a rdns-lookup, even for names
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(name->IP->name), as '-n' was doing until now
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* (feature) Enforce -t timeout on reply packets, by discarding late packets (#32)
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* (feature) Auto-adjust timeout for -c/-C/-l mode to value of -p
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* (feature) -i/-p restrictions only enforced with ./configure --enable-safe-limits
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* (feature) Default interval -i changed from 25ms to 10ms
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* (bugfix) Fix compatibility issue with GNU Hurd
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* (other) A C99 compiler is now required
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* (other) Option parsing with optparse (https://github.com/skeeto/optparse)
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Thanks Christopher Wellons!
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2017-02-09 David Schweikert <david@schweikert.ch>
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2017-02-09 David Schweikert <david@schweikert.ch>
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* Version 3.16
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* Version 3.16
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* (feature) Support kernel-timestamping of received packets (#46)
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* (feature) Support kernel-timestamping of received packets (#46)
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