[Snort-sigs] newbie rule writer

Mark Brochu mbrochu at ...730...
Mon Aug 5 19:03:04 EDT 2002


Try looking into pass rules for snort.  You can make pass rules get parsed before all others so you you could write something like this:
pass icmp x.x.x.x any -> $HOME_NET any;
  ----- Original Message ----- 
  From: Steve Postma 
  To: snort-sigs at lists.sourceforge.net 
  Sent: Monday, August 05, 2002 3:01 PM
  Subject: [Snort-sigs] newbie rule writer

  I am trying to modify my rules so that any pings from the machine at does not result in an alert. 

  I have tried the modification below, but am getting this error. snort snort: FATAL ERROR: ERROR icmp-info.rules (33): Illegal direction specifier: any"


  What is the correct syntax to remove one IP from a rule?




  alert icmp ! any,$HOME_NET any -> $EXTERNAL_NET any 


  Thanks for your time, 






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