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Commit Graph

71 Commits (1c7b7a01a69664c17a112cc52d6ea700003fceb2)

Author SHA1 Message Date
Victor Julien 1c7b7a01a6 Add option to set the syslog level for the alerts. Minor cleanups. 14 years ago
Gurvinder Singh e5edc6e8e3 add the support to log the fast.log alerts type to syslog 14 years ago
Eric Leblond 0b5e5b8772 affinity: change config format and misc fixes 
This patch fixes some problem with affinity work and modify the
configuration file format.

For example, the detect cup set can be formatted as follow:
     - detect_cpu_set:
        cpu: [ "all" ]
        mode: "exclusive" # run detect threads in these cpus
        prio:
          low: [ 0 ] # threads on CPU 0 have low prio
          medium: [ "1-2" ] # threads on CPU 1 and 2 have medium prio
          high: [ 3 ] # threads on CPU 3 have high prio
          default: "medium" #default priority is "medium"
 14 years ago
Eric Leblond c74116949c source-nfq: improve nfq option system 
This patch modifies the NFQ option system to avoid implicit
choice. 'nfq.mode' is now a string which can take a value
in the 'accept', 'repeat' and 'route' set.

Signed-off-by: Eric Leblond <eric@regit.org>
 14 years ago
Eric Leblond 1e600c1054 source-nfq: add simulated non-terminal NFQUEUE verdict 
This patch adds a new mode for NFQ inline mode. The idea is to
simulate a non final NFQUEUE rules.
This permit to do send all needed packets to suricata via a simple
FORWARD rule:
    iptables -I FORWARD -m mark ! --mark $MARK/$MASK -j NFQUEUE
And below, we have a standard filtering ruleset.

To do so, suricata issues a NF_REPEAT instead of a NF_ACCEPT verdict and
put a mark ($MARK) with respect to a mask ($MASK) on the handled packet.

NF_REPEAT verdict has for effect to have the packet reinjected at start
of the hook after the verdict. As it has been marked by suricata during
the verdict it will not rematch the initial rules and make his way to
the following classical ruleset.

Mode, mark and mask can be configured via suricata.yaml file with the
following syntax:
   nfq:
     repeat_mode: (false|true)
     mark: $MARK
     mask: $MASK
Default is false to preserve backward compatibility.

Signed-off-by: Eric Leblond <eric@regit.org>
 14 years ago
Eric Leblond 789d46cc3c Add per-cpu prio handling 
This patch updates affinity setting to add a support for per cpu
priority setting. In exclusive mode a thread is dedicated to a CPU.
This patch adds the ability to set the thread prio for all threads
of a family running on a given CPU.

With this patch we can write
    - detect_cpu_set:
        cpu: [ "all" ]
        mode: "exclusive" # run detect threads in these cpus
        low_prio: [ 0 ]
        medium_prio: [ "1-2" ]
        high_prio: [ 3 ]
With this configuration, detect threads assigned to cpu 0 will
have a low priority. Detect threads on cpus 1 and 2 will have
prio medium...

The previous configuration is equivalent to:
    - detect_cpu_set:
        cpu: [ "all" ]
        mode: "exclusive" # run detect threads in these cpus
        low_prio: [ 0 ]
        high_prio: [ 3 ]
        prio: "medium"
because the prio value is used a default.

Signed-off-by: Eric Leblond <eric@regit.org>
 14 years ago
Eric Leblond 559b5db7df yaml: add config for cpu_affinity 
This patch introduces the configuration part of cpu_affinity
evolution. The idea is to have thread families (receive, stream, ...)
and to be able to specify for each of them:
 - The cpus to use
 - The mode of balancing between the cpus
 - The thread priority to use (value of nice)

Signed-off-by: Eric Leblond <eric@regit.org>
 14 years ago
Victor Julien d00c6172c9 Update stream section of example configuration. 14 years ago
Eric Leblond e802e1ed16 Modify Packet structure and prepare accessor. 
This patch modifies decode.c and decode.h to avoid the usage
by default of a bigger than 65535 bytes array in Packet structure.
The idea is that the packet are mainly under 1514 bytes size and
a bigger size must be supported but should not be the default.

If the packet length is bigger than DFLT_PACKET_SIZE then the
data are stored in a dynamically allocated part of the memory.

To ease the modification of the rest of the code, functions to
access and set the payload/length in a Packet have been introduced.

The default packet size can be set at runtime via the default-packet-size
configuration variable.
 14 years ago
Eric Leblond 8471626916 Fix error message and adds information to config 
This patch fixes a typo in an error message and add some
information to the checksum verification option.
 14 years ago
Gurvinder Singh f4392e1dcc added support for appending the log files 14 years ago
Pierre Chifflier de41612ea1 Add options to choose if we log header and content in Prelude alert module. 
Signed-off-by: Pierre Chifflier <chifflier@edenwall.com>
 14 years ago
Victor Julien e66b3e3ee7 Switch mpm-algo in example suricata.yaml to ac 14 years ago
Victor Julien 355f237bfd Fix compiler warnings, cleanup counters config code. 14 years ago
Gurvinder Singh ba18110abd support for stats.log configurable and fixed timezone issue in faslog and debuglog 14 years ago
Martin Beyer b1c577f829 cuda streams support in b2g-cuda MPM 14 years ago
Anoop Saldanha c734cd1bdd make cuda mpm parameters configurable 14 years ago
Victor Julien 0dd07df60d Add reference to suricata.yaml documentation in our redmine wiki. 14 years ago
Victor Julien 6ebe7b7cd3 Change the way the request body limit is enforced. 14 years ago
Anoop Saldanha 778ec0939c make client body buffer limit configurable. Also some minor changes 14 years ago
Jason Ish a4d19e4130 Add new profiling sort option, maxticks. 15 years ago
Anoop Saldanha 5d9a453e0d find an optimal value for detect-engine:inspection-recursion_limit + unittest 15 years ago
Anoop Saldanha 88d94b136d Support for reference.config file 15 years ago
Victor Julien 344ea14695 Change mpm hash_size config setting highest to higher as highest wasn't the... highest. Max was higher. Leaving highest as an alias to higher for backwards compatibility. 15 years ago
Victor Julien 3bd7441ea5 Default to 'single' ctx for ac-gfbs as well. 15 years ago
Anoop Saldanha 62f814a4c3 change default value for detect-engine.sgh_mpm_context to auto 15 years ago
Anoop Saldanha b367c37ae6 suricata.yaml conf update to support single mpm context distribution over multiple sghs + code to parse this conf 15 years ago
Anoop Saldanha a85fa6b792 support for fast_pattern only and fast_pattern:offset,length. Also support the new option for engine-analysis 15 years ago
Pablo Rincon b3a8f0a90f Fix asn1 decoder frame oob mem. Adding max stack frames to suricata.yaml 15 years ago
Victor Julien b4454b6846 Switch to b2gc as default pattern matcher as it uses less memory and is a little faster. 15 years ago
Victor Julien 87f88867f4 Further improve B2gc. Add B2gm. Improve memory layout. 15 years ago
Victor Julien 9dfbab42f8 WIP B2gc 15 years ago
Gurvinder Singh 6a5bc52461 support for several tcp evasion attacks. Thanks to Judy Novak and G2 Inc for reporting them 15 years ago
Victor Julien 875184a4ba Cleanup suricata.yaml. 15 years ago
Gurvinder Singh f0928a4555 support for enforcing the depth until when the reassembly will be performed 15 years ago
Victor Julien cbebc44fb2 Fix config file typo. 15 years ago
Anoop Saldanha 07491f8887 add --list-cuda-cards option to list the cuda cards on the system. Add conf parameter to select the cuda device to use. Also change the threshhold limit to 2.4k packets to buffer 15 years ago
Gurvinder Singh 8b0ca4f628 support for seperate memcaps for reassembly and stream engine 15 years ago
Victor Julien 2c5c0d54f3 Add comments on CUDA usage in suricata.yaml. 15 years ago
Victor Julien c67cf593c2 Disable alert-debuglog and unified1 in the default config. Add comments to the default config about pending packets, alert log types. 15 years ago
Victor Julien 6519a86ec7 Move packet pool to ringbuffer, update packet pool api and ringbuffer api. Remove memset usage from PACKET_RECYCLE, add proper cleanup macros. 15 years ago
Pablo Rincon 9d114eaffb Adding threshold.config example at suricata.yaml 15 years ago
Victor Julien 49d68169ea Allow the user to disable setting cpu affinity and allow configuring the number of detect threads relative to the number of CPU's/CPU cores. 15 years ago
Victor Julien 2fd31a1a11 Remove dsize grouping from detection engine grouping reducing memory usage. Store sgh in flow to reduce lookups. Reduce locking in alert handling. Increase default grouping values as we use less memory. 15 years ago
Pablo Rincon 4775f67ba1 Adding emergency mode recovery options on config 15 years ago
Jason Ish 18e5ac8cde Basic rule profiling even though the results may be skewed by a bad rule in a grouping of rules. 15 years ago
Pablo Rincon 1238668961 Adding actions order and suport for rule action "pass" 15 years ago
Jason Ish 00974d157b Fix issue 131. 
Flow-timeouts likely don't need to be a sequence, but rather mappings.  We'd only need a sequence if you wanted to list something like "tcp" twice which I don't think makes sense for configuration section.

Also fixup flow.c to not attempt to use the sequence, and put the timeouts into their correct place.
 15 years ago
Victor Julien 4875c2daf4 Console logging settings are now overridden by env vars. 15 years ago
Brian Rectanus a9cdd2bbae Add htp personality configuration. 15 years ago