@menu
* To block or not to block -- That is the question::
* Adjusting criteria for automatic blocking::
* Manually blocking/unblocking hosts::
* Sample Blocking Code::
@end menu

@comment ********************************************
@node To block or not to block -- That is the question
@section To block or not to block -- That is the question

insert text here 

@comment ********************************************
@node Adjusting criteria for automatic blocking
@section Adjusting criteria for automatic blocking

insert text here 

@comment ********************************************
@node Manually blocking/unblocking hosts
@section Manually blocking/unblocking hosts

insert text here 

@comment ********************************************
@node Sample Blocking Code
@section Sample Blocking Code

At LBL we use a program called @uref{http://www-nrg.ee.lbl.gov/leres/acl2.html, acld}
to update the ACLs in our boarder routers on the fly.
This code is available at:  ftp://ftp.ee.lbl.gov/acld.tar.gz