[squid-users] Fwd: Re: HTTP 503 error in squid proxy server

[聡司蛭田]

Dear

Thanks for reply.

2015-11-07 20:53 GMT+09:00 Antony Stone <Antony.Stone at squid.open.source.it>:

> On Saturday 07 November 2015 at 12:48:09, Antony Stone wrote:
>
> > This reply came to my private address.
> >
> > Forwarding to the list.
> >
> > ----------  Forwarded Message Starts  ----------
> >
> > Subject: Re: [squid-users] HTTP 503 error in squid proxy server
> > Date: Saturday 07 November 2015 10:43:14
> > From: 聡司蛭田 <hiruta at totalsolution.biz>
> > To: Antony Stone <Antony Stone <Antony.Stone at squid.open.source.it>>
> >
> > Dear
> >
> > Thank you for reply.
> >
> > Squid version is squid-3.1.16-22.
> >
> > > On Saturday 07 November 2015 at 09:30:04, 聡司蛭田 wrote:
> > > > Dear
> > > >
> > > > I have question about HTTPS communication through Squid Proxy Server.
> > > >
> > > > HTTP 503 error frequency occurs.
> > >
> > > Does it also occur if you point your browser directly at the site, not
> > > via Squid?
> >
> > No browser. client Java Application communicate other site by using HTTPS
> > protcol  through squid proxy server.
>
> Okay, let me re-phrase my question then:
>
> Do you get the same intermittent problems if you tell the client java
> Application to connect to the site directly without using Squid?
>

no problem to connect the site directlt without using Squid.


>
> > > > 10.xx.xx.xx - - [01/Nov/2015:03:44:33 +0900] "CONNECT
> > > xxxx.xxxx.xxx.io:443
> > > > HTTP/1.1" 503 0 "-" "Javaa/1.7.0_71" TCP_MISS:DIRECT
> > > > xxxx.xxxx.xxx.io:443 is ELB (Internet-Facing Load Balancer) DNS
> name.
> > >
> > > Do you have access to that machine, to see what its logs show about the
> > > incoming requests, and the responses it generates?
>
> What is the answer to the above question?
>
> > > > Squid cache is disable.
> > >
> > > So, what are you using it for?
>
>         ?
>

I use Squid Proxy for HTTP(HTTPS) replay and acess log logging.

>
> > > > My addition squid config is the following.
> > > >
> > > > visible_hostname unknown
> > > > strip_query_terms off
> > > > acl NOCACHE src all
> > > > cache deny NOCACHE
> > >
> > > Please show all of your squid.conf, omitting comments and blank lines.
> >
> > My squid config file is attached.
> >
> > > > What could be considered the cause?
> > >
> > > Temporary failure on the content server?
> >
> > Yes. temporary failure.
>
> No, I meant that there could genuinely be a temporary failure on the
> content
> server, which results in the HTTP/503 error.  Nothing Squid can do about
> that
> (especially since you're not using it in caching mode - what are you using
> it
> for?)
>

I use Squid Proxy for HTTP(HTTPS) replay and acess log logging.
It seems packet has not reached until the ELB.



communication flow is the following.

Squid Proxy -> IGW ->IGW->ELB-> Server(EC2)


>
> > ----------  Forwarded Message Ends  ----------
>
> Please send all replies to the list.
>
>
> Regards,
>
>
> Antony.
>
> --
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