On Mon, Jan 15, 2018 at 12:15:48PM +0100, Hidvégi Gábor wrote:
> Hello there,
>
> if you look at the access log, you can notice that the shadow request is
> exactly one minute after a real query, like:
>
> OpenBSD teszt 192.168.255.1 - - [12/Jan/2018:16:16:42 +0100] "GET / HTTP/1.1"
> 200 5
> OpenBSD teszt 192.168.255.1 - - [12/Jan/2018:16:17:42 +0100] "<UNKNOWN> " 408 > 0
>
> or
>
> OpenBSD teszt 192.168.255.1 - - [12/Jan/2018:20:22:46 +0100] "GET / HTTP/1.1"
> 200 5
> OpenBSD teszt 192.168.255.1 - - [12/Jan/2018:20:23:46 +0100] "<UNKNOWN> " 408 > 0
>
> It might be a timeout or a second request started in the background.
>
> Gábor Hidvégi
>
I think this is because the default timeout in httpd is 1 minute:
"
request timeout seconds
Specify the inactivity timeout for HTTP operations
between client and server, for example the maximum time
to wait for a request from the client. The default
timeout is 60 seconds (1 minute). The maximum is
2147483647 seconds (68 years).
"
Can you try to change this as described below?
>
> Hiltjo Posthuma wrote:
> > On Fri, Jan 12, 2018 at 05:15:24PM +0100, Hidvégi Gábor wrote:
> >
> > > > Synopsis: httpd randomly gives error 408
> > > > Category: httpd
> > > > Environment:
> > >
> > > System : OpenBSD 6.2
> > > Details : OpenBSD 6.2 (GENERIC) #132: Tue Oct 3 21:18:21 MDT
> > > 2017
> > >
> > > [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC
> > >
> > > Architecture: OpenBSD.amd64
> > > Machine : amd64
> > >
> > > > Description:
> > >
> > > httpd sometimes responds errordocument 408 on a random request
> > >
> > >
> > > > How-To-Repeat:
> > >
> > > This bug is common, not amd64 only, can be reproduced on armv7 as well.
> > > All
> > > you need to do is to open index.html in the browser (tried with Internet
> > > Explorer, Firefox and Chrome) and keep pressing F5 (refresh) many times.
> > > When you look at the access.log, you randomly see lines like this one:
> > >
> > > OpenBSD teszt 192.168.0.19 - - [12/Jan/2018:16:59:16 +0100] "<UNKNOWN> "
> > > 408 0
> > >
> > > httpd.conf:
> > > default type text/html
> > > prefork 2
> > >
> > > server "OpenBSD teszt" {
> > > listen on egress port 80
> > > directory no auto index
> > > }
> > >
> > > types {
> > > text/html html
> > > }
> > >
> > >
> > >
> > >
> > > > Fix:
> > >
> > > check httpd source
> > >
> > > Gábor Hidvégi
> > >
> > >
> >
> >
> > Hey,
> >
> > I can also reproduce it on -current and firefox-esr. It is related to the
> > timeout handling, but I don't know a fix yet.
> >
> > A faster way to reproduce it is to add to httpd.conf:
> >
> > server "*" {
> > connection {
> > request timeout 5
> > }
> > ...
> > }
> >
> > Then do a single request (no need to spam it) and wait 5 seconds.
> > Then (when run with httpd -d -vv) a line appears:
> >
> > server *, client 1 (1 active), 127.0.0.1:43314 -> 127.0.0.1:6970,
> > timeout (408 Request Timeout)
> >
--
Kind regards,
Hiltjo
