Oops, answering my own question here... we figured it out. The expression looks like this:
acl shard5 hdr_reg(Cookie) userState=ND That'll use a back end called 'shard5' if there's a userState cookie with the value ND On 9/27/13 1:31 PM, Dave Shevett wrote: > I've seen a couple posts (here and on stackoverflow) on checking to see > if a cookie exists, and setting an ACL based on that, but not what value > it has. > > Am I going to need to use a regexp to parse a header cookie line? (I > want to say 'if a cookie has value x, use backend x, if it has value y, > use backend y). > > Thanks! > > -d

