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| author | robiscool <robrob2626@yahoo.com> | 2009-09-08 03:15:14 -0700 |
|---|---|---|
| committer | robiscool <robrob2626@yahoo.com> | 2009-09-08 03:15:14 -0700 |
| commit | 8564f82412de9183210e8db7e37afa6066453d4d (patch) | |
| tree | 1772d18b058dc42dc64b3d236244d675bbd2c7d9 /config/snort-dev/pfsense_rules/rules/pfsense-voip.rules | |
| parent | d65a69cda0fe97579f9e2328b62bd856c6a52914 (diff) | |
| download | pfsense-packages-8564f82412de9183210e8db7e37afa6066453d4d.tar.gz pfsense-packages-8564f82412de9183210e8db7e37afa6066453d4d.tar.bz2 pfsense-packages-8564f82412de9183210e8db7e37afa6066453d4d.zip | |
snort-dev, replace snort2c with spoink, replace snort-mysql with barnyard2, add rule perl scrips, update Gsnort GUI, fix dboot-up issues
Diffstat (limited to 'config/snort-dev/pfsense_rules/rules/pfsense-voip.rules')
| -rw-r--r-- | config/snort-dev/pfsense_rules/rules/pfsense-voip.rules | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/config/snort-dev/pfsense_rules/rules/pfsense-voip.rules b/config/snort-dev/pfsense_rules/rules/pfsense-voip.rules new file mode 100644 index 00000000..3142c0b6 --- /dev/null +++ b/config/snort-dev/pfsense_rules/rules/pfsense-voip.rules @@ -0,0 +1,11 @@ +alert ip any any -> $HOME_NET $SIP_PROXY_PORTS (msg:"OPTIONS SIP scan"; content:"OPTIONS"; depth:7; threshold: type both , track by_src, count 30, seconds 3; sid:5000004; rev:1;) +# Excessive number of SIP 4xx Responses Does not work +#### alert ip any any -> $SIP_PROXY_IP $SIP_PROXY_PORTS (msg:"Excessive number of SIP 4xx Responses - possible user or password guessing attack"; pcre:"/^SIP\/2.0 4\d{2}"; threshold: type both, track by_src, count 100, seconds 60; sid:5000008; rev:1;) +alert ip any any -> $SIP_PROXY_IP $SIP_PROXY_PORTS (msg:"Ghost call attack"; content:"SIP/2.0 180"; depth:11; threshold: type both, track by_src, count 100, seconds 60; sid:5000009; rev:1;) + +# Rule for alerting of INVITE flood attack: +alert ip any any -> $SIP_PROXY_IP $SIP_PROXY_PORTS (msg:"INVITE message flooding"; content:"INVITE"; depth:6; threshold: type both , track by_src, count 100, seconds 60; sid:5000002; rev:1;) +# Rule for alerting of REGISTER flood attack: +alert ip any any -> $SIP_PROXY_IP $SIP_PROXY_PORTS (msg:"REGISTER message flooding"; content:"REGISTER"; depth:8; threshold: type both , track by_src, count 100, seconds 60; sid:5000005; rev:1;) +# Threshold rule for unauthorized responses: +alert ip any any -> $SIP_PROXY_IP $SIP_PROXY_PORTS (msg:"INVITE message flooding"; content:"SIP/2.0 401 Unauthorized"; depth:24; threshold: type both, track by_src, count 100, seconds 60; sid:5000008; rev:1;) |