Chris,

On Mon, Jul 8, 2013 at 11:50 PM, Christopher Schultz <
ch...@christopherschultz.net> wrote:

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> Howard,
>
> On 7/8/13 3:45 PM, Howard W. Smith, Jr. wrote:
> > On Mon, Jul 8, 2013 at 3:40 PM, Caldarale, Charles R <
> > chuck.caldar...@unisys.com> wrote:
> >
> >>> From: Howard W. Smith, Jr. [mailto:smithh032...@gmail.com]
> >>> Subject: How to handle "CONNECT ... HTTP 1.1" 400 in
> >>> localhost_access_log
> >>
> >>> 183.60.48.25 - - [08/Jul/2013:15:15:26 -0400] "CONNECT
> >>> tcpconn2.tencent.com:443 HTTP/1.1" 400 -
> >>
> >>> Any advise on how to handle these requests (if necessary)
> >>> and/or information about these type of 'CONNECT ...' requests
> >>> would be appreciated. Thanks.
> >>
> >> It's from somewhere in China (who'da thunk it?); you can always
> >> black list it with the RemoteAddrValve, but it will likely pop up
> >> from somewhere else.
> >>
> >
> > You beat me to the punch, Chuck. I thought about you when I just
> > searched the IP database[1] for the IP address, and was about to
> > reply again with this info, but thanks, I definitely need to
> > blacklist that IP address.
> >
> > [1] https://ipdb.at/ip/183.60.48.25
>
> Feel free to just drop the whole IP block with iptables or at a firewall
> closer to the edge of your network.


Interesting. sounds like a good idea, thanks.

That is, of course, unless you need to serve clients in China.
>

definitely have no need, desire, or requirement to serve clients in China.
:)

why would the same IP address be hitting my server when 400 is the
response? is that definitely a sign to China that a server (of some sort)
is returning error 400? and they will continue attempting these "CONNECT
..." requests until they get a 404 or what?

The 'HTTP "Forbidden" error' returned by RemoteAddrValve would seem to fuel
future/continual attempts as well as error 400. right?



> - -chris
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