My guess is that the dot star you have in the regexp is eating large chunks of memory. If you're trying to delete the line with the Set Header directive, create a regexp that will do that.

I'm not sure if there's a module to parse an HTTP header but if there is, I'd suggest using that instead.

--t. alex

"Here's the chocolates, and here's the flowers. Now how 'bout it, widder hen, will ya marry me?" --Foghorn Leghorn