Snort - the de facto standard for intrusion detection/prevention
Search Site
Search Rules
Account
email
password
not registered?
can't login?
user preferences
Next:
3.1 The Basics
Up:
SnortUsers Manual 2.3.2
Previous:
2.5 Output Modules
 
Contents
3. Writing Snort Rules
How to Write Snort Rules and Keep Your Sanity
Subsections
3.1 The Basics
3.2 Rules Headers
3.2.1 Rule Actions
3.2.2 Protocols
3.2.3 IP Addresses
3.2.4 Port Numbers
3.2.5 The Direction Operator
3.2.6 Activate/Dynamic Rules
3.3 Rule Options
3.4 Meta-Data Rule Options
3.4.1 msg
3.4.2 reference
3.4.3 sid
3.4.4 rev
3.4.5 classtype
3.4.6 Priority
3.5 Payload Detection Rule Options
3.5.1 content
3.5.2 nocase
3.5.3 rawbytes
3.5.4 depth
3.5.5 offset
3.5.6 distance
3.5.7 within
3.5.8 uricontent
3.5.9 isdataat
3.5.10 pcre
3.5.11 byte_test
3.5.12 byte_jump
3.5.13 regex
3.5.14 content-list
3.6 Non-payload Detection Rule Options
3.6.1 fragoffset
3.6.2 ttl
3.6.3 tos
3.6.4 id
3.6.5 ipopts
3.6.6 fragbits
3.6.7 dsize
3.6.8 flags
3.6.9 flow
3.6.10 flowbits
3.6.11 seq
3.6.12 ack
3.6.13 window
3.6.14 itype
3.6.15 icode
3.6.16 icmp_id
3.6.17 icmp_seq
3.6.18 rpc
3.6.19 ip_proto
3.6.20 sameip
3.7 Post-Detection Rule Options
3.7.1 logto
3.7.2 session
3.7.3 resp
3.7.4 React
3.7.5 tag
3.8 Writing Good Rules
3.8.1 Content Matching
3.8.2 Catch the Vulnerability, Not the Exploit
3.8.3 Catch the Oddities of the Protocol in the Rule
3.8.4 Optimizing Rules
3.8.5 testing numerical values
Terms of Use
|
Privacy Policy
|
forum archives
|
site feedback
©2009 Snort and Sourcefire are registered trademarks of Sourcefire, Inc. All rights reserved.