| Commit message (Collapse) | Author | Age | Files | Lines |
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For example:
# iptables-translate -A OUTPUT -m connbytes --connbytes 200 \
--connbytes-dir original --connbytes-mode packets
nft add rule ip filter OUTPUT ct original packets ge 200 counter
# iptables-translate -A OUTPUT -m connbytes ! --connbytes 200 \
--connbytes-dir reply --connbytes-mode packets
nft add rule ip filter OUTPUT ct reply packets lt 200 counter
# iptables-translate -A OUTPUT -m connbytes --connbytes 200:600 \
--connbytes-dir both --connbytes-mode bytes
nft add rule ip filter OUTPUT ct bytes 200-600 counter
# iptables-translate -A OUTPUT -m connbytes ! --connbytes 200:600 \
--connbytes-dir both --connbytes-mode bytes
nft add rule ip filter OUTPUT ct bytes != 200-600 counter
# iptables-translate -A OUTPUT -m connbytes --connbytes 200:200 \
--connbytes-dir both --connbytes-mode avgpkt
nft add rule ip filter OUTPUT ct avgpkt 200 counter
Signed-off-by: Liping Zhang <zlpnobody@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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quoting man page:
match packets from a connection whose packets/bytes/average
packet size is more than FROM and less than TO bytes/packets. if
TO is omitted only FROM check is done.
But, when TO was omitted, we did treat it like "x:x" which is not
the same at all.
Before commit 09631dc60ce41bc484a42fcf4d4ddf7036820bd1
(libxt_connbytes: use guided option parser), we failed to parse
"--connbytes x" ('Bad range "x"'), but treated "x:" like "x:0xffffffff".
Also, restore the "from must be smaller than to" check.
Signed-off-by: Florian Westphal <fw@strlen.de>
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Due to the use of printf("foobar "), iptables emits spaces at the
end-of-line, which looks odd to some users because it causes the
terminal to wrap even if there is seemingly nothing to print.
It may also have other points of annoyance, such as mailers
interpreting a trailing space as an indicator that the paragraph
continues when format=flowed is also on.
And git highlights trailing spaces in red, so let's avoid :)
Preexisting inconsistencies in outputting spaces in the right
spot are also addressed right away.
References: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=429579
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Match and target parse functions now only get option characters they
have defined themselves.
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Try to inhibit copypasting old stuff.
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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When using a bundled option like "-ptcp", 'argv[optind-1]' would
logically point to "-ptcp", but this is obviously not right.
'optarg' is needed instead, which if properly offset to "tcp".
Not all places change optind-based access to optarg; where
look-ahead is needed, such as for tcp's --tcp-flags option for
example, optind is ok.
References: http://bugzilla.netfilter.org/show_bug.cgi?id=611
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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In going to fix NF bug #611, "argv" is needed in
xtables_check_inverse to set "optarg" to the right spot in case of an
intrapositional negation.
References: http://bugzilla.netfilter.org/show_bug.cgi?id=611
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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There are no different code paths between IPV4 and IPV6, so
data can be consolidated here.
text data bss dec hex filename
243757 12212 2576 258545 3f1f1 ip6tables-static[before.i586]
243613 9428 2576 255617 3e681 ip6tables-static[after.i586]
-144 -2784
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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This also adds a warning that intrapositional negation support
is deprecated.
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Resync netfilter.h from the latest kernel and make use of the new
NFPROTO_ constants that have been introduced.
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
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A number of comments are redundant, some outdated and others outright
wrong in their own way. Remove and fixup.
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
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Max Kellermann <max@duempel.org>
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Give symbols of libxt matches unique names (1/3).
Adds unique prefixes to all functions (most of them - especially the hook
functions) so that debugging programs can unambiguously map a symbol to an
address. Also unifies the names of the xtables_match/xtables_target structs,
(based upon libxt_connmark.c/libip6t_*.c).
Signed-off-by: Jan Engelhardt <jengelh@gmx.de>
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Fixes compiler warning in quota match.
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