Thanks for that Tom, just to clarify though, does LIMIT just drop the connections momentarily or is it in effect adding the source to the dynamic list?
Thanks Phil -- Phil Foxton RHCE ---------- Original Message ----------- From: Tom Eastep <[EMAIL PROTECTED]> To: Shorewall Users <[email protected]> Sent: Wed, 23 Apr 2008 06:51:10 -0700 Subject: Re: [Shorewall-users] Shorewall drop issue? > Phil Foxton wrote: > > > > > The script is shown below, any ideas? Basically I need to drop any > > connection > > attempts shown as authentication failures, am I trying to re-invent the > > wheel? > > > > Pretty much. The preferred method of dealing with SSH dictionary > attacks is: > > a) Configure your SSHD to only allow authentication via shared keys. > That way, a dictionary attack can never succeed. > > b) Use the 'Limit' built-in action to limit the rate of SSH > connection attempts from individual IP addresses > (http://www.shorewall.net/PortKnocking.html#Limit). > > -Tom > -- > Tom Eastep \ Nothing is foolproof to a sufficiently talented fool > Shoreline, \ http://shorewall.net > Washington USA \ [EMAIL PROTECTED] > PGP Public Key \ https://lists.shorewall.net/teastep.pgp.key ------- End of Original Message ------- ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone _______________________________________________ Shorewall-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/shorewall-users
