| Commit message (Collapse) | Author | Age | Files | Lines |
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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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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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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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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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XTTYPE_HOSTMASK will require that what has now become haddr,
hmask/hlen are not overlays of another. Thus relax the structure and
always set all members of the {haddr, hmask, hlen} triplet now for all
types that touch any of the members.
Add some more comments and clean out ONEHOST.
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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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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: Changli Gao <xiaosuo@gmail.com>
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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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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Currently, libxt_statistic only dumps the probability with a
granularity of 1/1000000. Assuming only stuffed packets with 1440
bytes payload, this would match approximately every 1.341 GB, which is
pretty low for a high-volume router. Trying to match any larger
interval than that (e.g. 2 GB) will cause libxt_statistic to output
"--probability 0.000000", and when restored, will cause it to never
match again.
Bump the dump precision to what xt_statistic can really do, and adjust
the manpage to include a word about it.
Furthermore, employ explicit rounding when reading the argument from
the command line, because the previous implicit conversion would use
truncation, which is not very exact.
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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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Ever since we keep a copy of the header files anyway, IPT_COMM_OWNER
is always available.
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Commit v1.4.8-36-g32b8e61 added this end marker in a little too many
places: at non-getopt places. Fix that.
Also change the definition of XT_GETOPT_TABLEEND to reference a struct
getopt member by name so that this cannot happen again.
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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It was unfortunately removed during the option parser switch.
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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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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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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If ret was negative, ntohs may make it positive, which is undesired.
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Adding the x6_* members to struct xtables_{match,target} caused a
change requiring a bump.
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Signed-off-by: Maciej Zenczykowski <maze@google.com>
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Signed-off-by: Maciej Zenczykowski <maze@google.com>
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This enables one to have a single configuration file for both ipv4 and ipv6
firewall rules.
Example:
iptables-restore config
ip6tables-restore config
Where the file 'config' contains:
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
:ssh - [0:0]
-A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
-A INPUT -m state --state INVALID -j DROP
-A INPUT -i lo -j ACCEPT
-A INPUT -4 -p icmp -j ACCEPT
-A INPUT -6 -p icmpv6 -j ACCEPT
-A INPUT -p tcp --dport 22 -m state --state NEW -j ssh
-A ssh -j ACCEPT
COMMIT
Signed-off-by: Maciej Zenczykowski <maze@google.com>
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Signed-off-by: Maciej Zenczykowski <maze@google.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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I am starting with a simple module here that does not require a
final_check function.
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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The bonus of the POSIX socket API is that it is almost protocol-agnostic
and that there are ready-made functions to take over the gist of address
parsing and packing.
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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