| Commit message (Collapse) | Author | Age | Files | Lines |
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based on tests/options-most.rules
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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based on tests/options-most.rules
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Use "/etc/iproute2/group" as the default path to the mapping file
instead of "/etc/iproute2/group_map".
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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else, static builds will print this for every iptables invocation,
even 'iptables -L'. Delay open until we need to translate a mapping.
Reported-by: Thomas De Schampheleire <patrickdepinguin@gmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
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This patch adds the user space extension/frontend for process matching
based on cgroups from the kernel patch entitled "netfilter: xtables:
lightweight process control group matching".
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch provides the userspace part for snat in order to make
randomize-full support available in {ip,nf}tables. It allows for
enabling full port randomization that was motivated in [1] and
introduced to the kernel in [2].
Joint work between Hannes Frederic Sowa and Daniel Borkmann.
[1] https://sites.google.com/site/hayashulman/files/NIC-derandomisation.pdf
[2] http://patchwork.ozlabs.org/patch/304306/
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch enables user to set iptables ACTIONs for IPcomp
flow specified by its SPI value.
For example:
iptables -A OUTPUT -p 108 -m ipcomp --ipcompspi 0x12 -j DROP
ip6tables -A OUTPUT -p 108 -m ipcomp --ipcompspi 0x12 -j DROP
IPcomp packet with spi as 0x12 will be dropped.
Signed-off-by: Fan Du <fan.du@windriver.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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http://www.gnu.org/licenses/gpl-2.0.html
http://www.fsf.org/about/contact/
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This merges the branch that contains the iptables over nftables
compatibility layer into master.
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Fix option IDs and remove irrelevant flags on setting options
mandatory.
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This is a porting of the original mangle target in arptables. This
also adapts original code so functions fits with libxtables.
This is needed by the xtables-arp compatibility tool for nftables.
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Martin Topholm <mph@one.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
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Signed-off-by: Mart Frauenlob <mart.frauenlob@chello.at>
Signed-off-by: Florian Westphal <fw@strlen.de>
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... to get 76e230e ('iptables: link against libnetfilter_conntrack'),
else static build doesn't work.
Conflicts:
extensions/GNUmakefile.in
[ CPPFLAGS was added in master, so keep it ]
Reported-By: Gustavo Zacarias <gustavo@zacarias.com.ar>
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Linking currently fails in --enable-static case:
../extensions/libext.a(libxt_connlabel.o): In function `connlabel_get_name':
iptables/extensions/libxt_connlabel.c:57: undefined reference to `nfct_labelmap_get_name'
[..]
It's libxtables.la(libxt_connlabel.o) using libnetfilter_conntrack.
If libnetfilter_conntrack is not found, @libnetfilter_conntrack_CFLAGS@
and @libnetfilter_conntrack_LIBS@ (and their ${} ones) should be empty,
therefore producing no harm to include unconditionally.
Reported-and-tested-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Florian Westphal <fw@strlen.de>
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Do not accept silently sets with wrong protocol family but reject
them with an error message. It makes straightforward to catch user
errors.
[ Use afinfo instead to avoid a binary interface update --pablo ]
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Patrick McHardy <kaber@trash.net>
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Gao feng reported problems while getting the cluster match working with
arptables. This patch adds a note in the manpage to warn about the arptables-jf
syntax, which is different from mainstream arptables.
Reported-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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"All other Makefiles add CPPFLAGS to ${COMPILE} (automake), but GNUmakefile.in
doesn't set it."
http://bugs.debian.org/665286
Signed-off-by: Laurence J. Lane <ljlane@debian.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Fedora, ArchLinux, Ubuntu, and Debian, at the least, use
alternative syslog daemons by default these days. Let's make
the syslog reference generic.
Reference: http://bugs.debian.org/567564
Signed-off-by: Laurence J. Lane <ljlane@debian.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add usage examples for string and hex string patterns.
References: http://bugs.debian.org/699904
Signed-off-by: Laurence J. Lane <ljlane@debian.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
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Remove it.
Signed-off-by: Laurence J. Lane <ljlane@debian.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
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The extension man page shows "port-unreach" and "port-unreachable" as
default icmpv6 and icomp reject-with types. Either and variations work
fine for writing rules, but they are displayed as "icmp6-port-unreachable"
and "icmp-port-unreachable". Let's make that consistent.
http://bugs.debian.org/644819
Signed-off-by: Laurence J. Lane <ljlane@debian.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The first might work. The second doesn't.
(The other corrections in the bug report are already implemented.)
http://bugs.debian.org/654983
Signed-off-by: Laurence J. Lane <ljlane@debian.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Corrects an example address with subnet mask.
http://bugs.debian.org/698393
Signed-off-by: Laurence J. Lane <ljlane@debian.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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To retrieve:
iptables: state match incompatibilty across versions
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As reported in Debian bug #718810 [1], state match rules added in < 1.4.16
iptables versions are incorrectly displayed by >= 1.4.16 iptables versions.
Issue bisected to commit 0d701631 (libxt_state: replace as an alias to
xt_conntrack).
Fix this by adding the missing .print and .save functions for state match
aliases in the conntrack match.
[1] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=718810
Signed-off-by: Phil Oester <kernel@linuxace.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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... and remove the QUEUE snippets from ip(6)tables man page,
the queue target was replaced by nfqueue years ago.
Fix up a couple of needless differences in ip(6)tables.8, too.
Signed-off-by: Florian Westphal <fw@strlen.de>
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Document --nowildcard option and its implications when using -m socket
to intercept packets.
While at it, update man page with Balazs Scheidlers comments from
nf_tproxy_core.h in kernel tree to better explain how lookup is performed.
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
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xt_socket module can be a nice replacement to conntrack module
in some cases (SYN filtering for example)
But it lacks the ability to match the 3rd packet of TCP
handshake (ACK coming from the client).
Add a XT_SOCKET_NOWILDCARD flag to disable the wildcard mechanism
The wildcard is the legacy socket match behavior, that ignores
LISTEN sockets bound to INADDR_ANY (or ipv6 equivalent)
iptables -I INPUT -p tcp --syn -j SYN_CHAIN
iptables -I INPUT -m socket -j ACCEPT
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Patrick McHardy <kaber@trash.net>
Cc: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Available since Linux kernel 3.8.
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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libipt_LOG is using the xtables_save_string func, which
escapes unsafe characters as needed. libip6t_LOG should
do the same.
Signed-off-by: Phil Oester <kernel@linuxace.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This checking was accidentally removed in (74ded72 libxt_recent:
add --mask netmask).
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Pablo suggested to make it depend on lnf-conntrack, and get rid of
the example config file as well.
The problem is that the file must be in a fixed path,
/etc/xtables/connlabel.conf, else userspace needs to "guess-the-right-file"
when translating names to their bit values (and vice versa).
Originally "make install" did put an example file into /etc/xtables/,
but distributors complained about iptables ignoring the sysconfdir.
So rather remove the example file, the man-page explains the format,
and connlabels are inherently system-specific anyway.
Signed-off-by: Florian Westphal <fw@strlen.de>
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Signed-off-by: Florian Westphal <fw@strlen.de>
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