Snordi katsetus

apache paigaldus

php paigaldus mysql toega

mysql server

snordi paigaldus mysql toega

NOTE: Starting with Snort 2.4.0 (released on 2005-04-22)

     the rules are no longer included with the distribution.
     Please download them from http://www.snort.org/rules/.
     You might consider installing security/oinkmaster port to simplify
     rules downloads and updates.

seega oinkmasteri paigaldus mis asub nagu snorgi FreeBSD's security harus

Reeglite saamiseks tuleb end snordi lehel registreerida http://www.snort.org/

logida lehele, ja uurida lehte My Oinkcodes ning nõuda generate code

ja lisada oinkmaster.conf'i rida

url = http://www.snort.org/pub-bin/oinkmaster.cgi/<oinkcode here>/<fail>

näiteks

http://www.snort.org/pub-bin/oinkmaster.cgi/5a08f649c16a278e1012e1c/snortrules-snapshot-2.8.tar.gz

ja seejärel oinkmaster startida

oinkmaster -o /usr/local/etc/snort/rules/

seadistada snordi rulepath õigeks

ja startida snort

logid tekivad /var/log/snort/ kaustas olevasse faili /var/log/snort/alert näiteks kujul

[**] [1:469:4] ICMP PING NMAP [**]
[Classification: Attempted Information Leak] [Priority: 2]
11/10-17:49:57.595915 128.9.160.132 -> 193.40.0.236
ICMP TTL:51 TOS:0x0 ID:0 IpLen:20 DgmLen:28 DF
Type:8  Code:0  ID:883   Seq:6144  ECHO
[Xref => http://www.whitehats.com/info/IDS162]

snort2pf

ips fuktsionaalsus Free ja Openbsd jaoks

pf enablemine

pf.conf

ext_if="bge1"

set optimization aggressive
set limit states 40000

scrub in all
scrub out all random-id max-mss 1440

antispoof for $ext_if inet
 
anchor snort2pf

block log all label "blocked"

pass quick on lo0 all
pass in inet proto icmp all keep state
pass out inet proto icmp all keep state
pass in on $ext_if proto tcp from any to $ext_if port 80 keep state label "www"
pass in on $ext_if proto tcp from any to $ext_if port 22 keep state label "ssh"
pass out on $ext_if proto { tcp, udp } all keep state

snort2pf installiks tõmmata alla

cd snort2pf-4.3
./install
>>> Installing files...
install: snort2pf -> /usr/local/sbin/snort2pf
install: snort2pfmon -> /usr/local/sbin/snort2pfmon
install: snort2pf.8 -> /usr/local/man/man8/snort2pf.8
install: snort2pfmon.8 -> /usr/local/man/man8/snort2pfmon.8
>>> Creating symlinks...
/sbin/snort2pf -> /usr/local/sbin/snort2pf
/sbin/snort2pfmon -> /usr/local/sbin/snort2pfmon
/man/man8/snort2pf.8 -> /usr/local/man/man8/snort2pf.8
/man/man8/snort2pfmon.8 -> /usr/local/man/man8/snort2pfmon.8

Don't forget to add the following line to you pf.conf(5):
"anchor snort2pf"

stardime

snort2pf -f /var/log/snort/alert -s 180 &

Töötamise kontrolliks

# ps -aux | grep snort2pf
root    708  0.0  0.3 18016  5344   0  S     6:45PM   0:00.04 snort2pf 4.3 :: blocking 0 hosts (perl5.8.9)

lisainfot man snort2pf