. All rights reserved. Pfsense Old snort GUI Copyright (C) 2006 Scott Ullrich. Pfsense snort GUI Copyright (C) 2008-2012 Robert Zelaya. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 3. Neither the name of the pfSense nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ require_once("guiconfig.inc"); require_once("/usr/local/pkg/snort/snort_new.inc"); require_once("/usr/local/pkg/snort/snort_gui.inc"); // set page vars $uuid = $_GET['uuid']; if (isset($_POST['uuid'])) $uuid = $_POST['uuid']; if ($uuid == '') { echo 'error: no uuid'; exit(0); } $a_list = snortSql_fetchAllSettings('snortDB', 'SnortIfaces', 'uuid', $uuid); $pgtitle = "Snort: Interface Preprocessors and Flow"; include("/usr/local/pkg/snort/snort_head.inc"); ?>



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  Note:
Rules may be dependent on preprocessors!
Defaults will be used when there is no user input.

Performance Statistics
Enable > Performance Statistics for this interface.
HTTP Inspect Settings
Enable > Use HTTP Inspect to Normalize/Decode and detect HTTP traffic and protocol anomalies.
HTTP server flow depth
-1 to 1460 (-1 disables HTTP inspect, 0 enables all HTTP inspect)
Amount of HTTP server response payload to inspect. Snort's performance may increase by adjusting this value.
Setting this value too low may cause false negatives. Values above 0 are specified in bytes. Default value is 0

Stream5 Settings
Max Queued Bytes
Minimum is 1024, Maximum is 1073741824 ( default value is 1048576, 0means Maximum )
The number of bytes to be queued for reassembly for TCP sessions in memory. Default value is 1048576
Max Queued Segs
Minimum is 2, Maximum is 1073741824 ( default value is 2621, 0 means Maximum )
The number of segments to be queued for reassembly for TCP sessions in memory. Default value is 2621
General Preprocessor Settings
Enable
RPC Decode and Back Orifice detector
>
Normalize/Decode RPC traffic and detects Back Orifice traffic on the network.
Enable
FTP and Telnet Normalizer
>
Normalize/Decode FTP and Telnet traffic and protocol anomalies.
Enable
SMTP Normalizer
>
Normalize/Decode SMTP protocol for enforcement and buffer overflows.
Enable
Portscan Detection
>
Detects various types of portscans and portsweeps.
Enable
DCE/RPC2 Detection
>
The DCE/RPC preprocessor detects and decodes SMB and DCE/RPC traffic.
Enable
DNS Detection
>
The DNS preprocessor decodes DNS Response traffic and detects some vulnerabilities.
Define SSL_IGNORE
Encrypted traffic should be ignored by Snort for both performance reasons and to reduce false positives.
Default: "443 465 563 636 989 990 992 993 994 995". Please use spaces and not commas.
 
  Note: Please save your settings before you click Start.