diff options
Diffstat (limited to 'config/snort/snort.inc')
| -rwxr-xr-x | config/snort/snort.inc | 91 |
1 files changed, 12 insertions, 79 deletions
diff --git a/config/snort/snort.inc b/config/snort/snort.inc index 50e7c291..884f0883 100755 --- a/config/snort/snort.inc +++ b/config/snort/snort.inc @@ -137,8 +137,8 @@ function sync_package_snort() if($bpfmaxinsns) mwexec_bg("sysctl net.bpf.maxinsns={$bpfmaxinsns}"); - /* always stop barnyard2 before starting snort -gtm */ - $start .= "/usr/bin/killall barnyard2\n"; + /* always stop snort2c before starting snort -gtm */ + $start .= "/usr/bin/killall snort2c\n"; /* start a snort process for each interface -gtm */ /* Note the sleep delay. Seems to help getting mult interfaces to start -gtm */ @@ -148,29 +148,24 @@ function sync_package_snort() { $start .= "sleep 8\n"; $start .= "snort -c /usr/local/etc/snort/snort.conf -l /var/log/snort -D -i {$snortIf} -q\n"; - - /* define snortbarnyardlog_chk */ - $snortbarnyardlog_info_chk = $config['installedpackages']['snortadvanced']['config'][0]['snortbarnyardlog']; - if ($snortbarnyardlog_info_chk == on) - $start .= "\nsleep 4;barnyard2 -c /usr/local/etc/barnyard2.conf -d /var/log/snort -f snort.u2 -w /usr/local/etc/snort/barnyard2.waldo -D -q\n"; } - - - $if_snort_pid = "\nif ls /tmp/snort.sh.pid > /dev/null\nthen\n echo \"snort.sh is running\"\n exit 0\nelse\n echo \"snort.sh is not running\"\nfi\n"; - $echo_snort_sh_pid = "\necho \"snort.sh run\" > /tmp/snort.sh.pid\n"; - $echo_snort_sh_startup_log = "\necho \"snort.sh run\" >> /tmp/snort.sh_startup.log\n"; + /* if block offenders is checked, start snort2c */ + if($_POST['blockoffenders']) { + $start .= "\nsleep 8\n"; + $start .= "snort2c -w /var/db/whitelist -a /var/log/snort/alert\n"; + } + $sample_before = "\nBEFORE_MEM=`top | grep Free | grep Wired | awk '{print \$10}'`\n"; $sample_after = "\nAFTER_MEM=`top | grep Free | grep Wired | awk '{print \$10}'`\n"; $sleep_before_final = "\necho \"Sleeping before final memory sampling...\"\nsleep 17"; $total_free_after = "\nTOTAL_USAGE=`top | grep snort | grep -v grep | awk '{ print \$6 }'`\n"; $echo_usage = "\necho \"Ram free BEFORE starting Snort: \${BEFORE_MEM} -- Ram free AFTER starting Snort: \${AFTER_MEM}\" -- Mode {$snort_performance} -- Snort memory usage: \$TOTAL_USAGE | logger -p daemon.info -i -t SnortStartup\n"; - $rm_snort_sh_pid = "\nrm /tmp/snort.sh.pid\n"; /* write out rc.d start/stop file */ write_rcfile(array( "file" => "snort.sh", - "start" => "{$if_snort_pid}{$echo_snort_sh_pid}{$echo_snort_sh_startup_log}{$sample_before}{$start}{$sleep_before_final}{$sample_after}{$echo_usage}{$rm_snort_sh_pid}", + "start" => "{$sample_before}{$start}{$sleep_before_final}{$sample_after}{$echo_usage}", "stop" => "/usr/bin/killall snort; killall snort2c" ) ); @@ -178,67 +173,11 @@ function sync_package_snort() /* create snort configuration file */ create_snort_conf(); -/* create barnyard2 configuration file */ -$snortbarnyardlog_info_chk = $config['installedpackages']['snortadvanced']['config'][0]['snortbarnyardlog']; -if ($snortbarnyardlog_info_chk == on) - create_barnyard2_conf(); /* start snort service */ conf_mount_ro(); start_service("snort"); } -/* open barnyard2.conf for writing */ -function create_barnyard2_conf() { - global $bconfig, $bg; - /* write out barnyard2_conf */ - $barnyard2_conf_text = generate_barnyard2_conf(); -// conf_mount_rw(); - $bconf = fopen("/usr/local/etc/barnyard2.conf", "w"); - if(!$bconf) { - log_error("Could not open /usr/local/etc/barnyard2.conf for writing."); - exit; - } - fwrite($bconf, $barnyard2_conf_text); - fclose($bconf); -// conf_mount_ro(); -} - -/* open barnyard2.conf for writing" */ -function generate_barnyard2_conf() { - - global $config, $g; - conf_mount_rw(); - -/* define snortbarnyardlog */ -$snortbarnyardlog_database_info_chk = $config['installedpackages']['snortadvanced']['config'][0]['snortbarnyardlog_database']; - -$barnyard2_conf_text = <<<EOD - - Copyright (C) 2006 Scott Ullrich - part of pfSense - All rights reserved. -# set the appropriate paths to the file(s) your Snort process is using -config reference-map: /usr/local/etc/snort/reference.config -config class-map: /usr/local/etc/snort/classification.config -config gen-msg-map: /usr/local/etc/snort/gen-msg.map -config sid-msg-map: /usr/local/etc/snort/sid-msg.map - -config hostname: pfsense.local -config interface: vr0 - -# Step 2: setup the input plugins -input unified2 - -# database: log to a variety of databases -# output database: log, mysql, user=snort password=snort123 dbname=snort host=192.168.1.22 - -$snortbarnyardlog_database_info_chk - -EOD; - - return $barnyard2_conf_text; - -} function create_snort_conf() { global $config, $g; /* write out snort.conf */ @@ -302,19 +241,14 @@ $tcpdumplog_info_chk = $config['installedpackages']['snortadvanced']['config'][0 if ($tcpdumplog_info_chk == on) $tcpdumplog_type = "output log_tcpdump: snorttcpd.log"; -/* define snortbarnyardlog_chk */ -$snortbarnyardlog_info_chk = $config['installedpackages']['snortadvanced']['config'][0]['snortbarnyardlog']; -if ($snortbarnyardlog_info_chk == on) - $snortbarnyardlog_type = "barnyard2 -c /usr/local/etc/barnyard2.conf -d /var/log/snort -f snort.u2 -w /usr/local/etc/snort/barnyard2.waldo -D"; +/* define snortmysqllog */ +$snortmysqllog_info_chk = $config['installedpackages']['snortadvanced']['config'][0]['snortmysqllog']; + /* define snortunifiedlog */ $snortunifiedlog_info_chk = $config['installedpackages']['snortadvanced']['config'][0]['snortunifiedlog']; if ($snortunifiedlog_info_chk == on) $snortunifiedlog_type = "output unified2: filename snort.u2, limit 128"; -/* define spoink */ -$spoink_info_chk = $config['installedpackages']['snort']['config'][0]['blockoffenders7']; -if ($spoink_info_chk == on) - $spoink_type = "output alert_pf: /var/db/whitelist,snort2c"; /* define servers and ports snortdefservers */ /* def DNS_SERVSERS */ @@ -1030,7 +964,6 @@ $alertsystemlog_type $tcpdumplog_type $snortmysqllog_info_chk $snortunifiedlog_type -$spoink_type ################# # |