Re: port scan rule

[Balla István <balla.bmf () gmail com>]

add. info: this nmap command grabbed the followings:
nmap -p 1-443 -T4 -Pn -v 10.10.10.2

PORT    STATE SERVICE
22/tcp  open  ssh
135/tcp open  msrpc


2013/5/9 Balla István <balla.bmf () gmail com>

> hey guys,
>
> could you tell me which rule should I set to drop if I wanna block all
> port scan?
>
> from my snort.conf:
>
> *preprocessor sfportscan: proto  { all } memcap { 10000000 } sense_level
> { medium } detect_ack_scan*s
>
> if i m right it only detects ack flags without 3w hs. my question is how
> to configure it to detect all port scans and which rules to set to drop?
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