Hi Willy Tarreau,
Willy Tarreau wrote on 24.07.2017:
> Hi Aleks,
> On Sun, Jul 23, 2017 at 09:50:41AM +0200, Aleksandar Lazic wrote:
>> > Personally I use 2 rules similar to the following to append to
>> > X-Forwarded-For:
>> >
>> > http-request set-header X-Forwarded-For
>> > %[req.fhdr(X-Forwarded-For)],\ %[src] if { req.fhdr(X-Forwarded-For) -m
>> > found }
>> > http-request set-header X-Forwarded-For %[src] if !{
>> > req.fhdr(X-Forwarded-For) -m found }
>> >
>> > -Patrick
>>
>> But doesn't haproxy do this already?
>>
>> http://git.haproxy.org/?p=haproxy-1.7.git;a=blob;f=src/proto_http.c;h=94c8d639f6f777241109f605e1e1742f9a39bf33;hb=HEAD#l4639
> It always adds a new header field. But this is strictly equivalent to
> adding a new value to an existing entry, it's just much less expensive
> (no need to scan the list to find one, nor to move bytes around to insert
> a new value).
Thanks willy for confirmation.
> Willy
--
Best Regards
Aleks
