[PATCH] FAQ: update SSL section, add Pound

Eric Wong normalperson at yhbt.net
Sun Aug 15 21:40:04 EDT 2010

Hi all, I just added Pound to the FAQ section.

Does anybody have more experience with other HTTPS reverse
proxy solutions and could recommend them?

Pound has the advantage of coming with X-Forwarded-For support

I haven't tested either for performance/scalability.  Both use the
thread-per-connection concurrency model, but Pound appears to use the
default stack size (8M(!) on my NPTL systems) while stunnel sets the
thread stack size to 64K (which I seem to recall was the minimum
under LinuxThreads).

Nowadays NPTL allows stack sizes as low as 16K (which is still high
IMHO, but I also don't know how much stack OpenSSL uses).  Those
of you with more interest in HTTPS performance/scalability could
try lowering stack sizes for Pound and perhaps submitting patches

>From 2f0ac01589cdc9775f7a5668c4ac491712a9f1b1 Mon Sep 17 00:00:00 2001
From: Eric Wong <normalperson at yhbt.net>
Date: Mon, 16 Aug 2010 01:02:30 +0000
Subject: [PATCH] FAQ: update SSL section, add Pound

Pound appears to work well in my limited testing with
t/sha1.ru and "curl -T-"
 FAQ |   11 ++++++++---
 1 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/FAQ b/FAQ
index 5c4ea2c..7609d55 100644
--- a/FAQ
+++ b/FAQ
@@ -52,9 +52,14 @@ solution even if nginx will always outperform it in raw throughput.
 === How do I support SSL?
-If you need a streaming "rack.input" to do upload processing within your
-Rack application, then {stunnel}[http://stunnel.org/] is required.
-Otherwise, nginx is a perfectly good reverse proxy.
+If you need streaming "rack.input" to do on-the-fly upload processing
+within your Rack application, then using an SSL proxy such as
+{Pound}[http://www.apsis.ch/pound/] or {Stunnel}[http://stunnel.org/] is
+required.  Pound has built-in X-Forwarded-For support while Stunnel
+requires a extra {patch}[http://haproxy.1wt.eu/download/patches/].
+If you don't need streaming "rack.input", then nginx is a great HTTPS
+reverse proxy.
 Refer to the {Unicorn FAQ}[http://unicorn.bogomips.org/FAQ.html] on how
 to ensure redirects go to "https://" URLs.
Eric Wong

More information about the rainbows-talk mailing list