bug report : Mangled emails from dev-digest

2014-09-15 Thread André Warnier
Dear ezmlm, (I don't quite know how this message is going to make it through, due to the very substance of the message). I have been wondering why in the dev-digest emails, the names of some unfortunate contributors always appear mangled. I am talking e.g. of our friend Rüdiger Plüm (and

Re: URL scanning by bots

2013-05-03 Thread André Warnier
Ben Reser wrote: On Tue, Apr 30, 2013 at 5:23 PM, André Warnier a...@ice-sa.com wrote: Alternatives : 1) if you were running such a site (which I would still suppose is a minority of the 600 Million websites which exist), you could easily disable the feature. 2) you could instead return

Re: URL scanning by bots

2013-05-03 Thread André Warnier
Marian Marinov wrote: On 05/03/2013 07:24 AM, Ben Reser wrote: On Tue, Apr 30, 2013 at 5:23 PM, André Warnier a...@ice-sa.com wrote: Alternatives : 1) if you were running such a site (which I would still suppose is a minority of the 600 Million websites which exist), you could easily disable

Re: URL scanning by bots

2013-05-03 Thread André Warnier
Tom Evans wrote: On Fri, May 3, 2013 at 10:54 AM, André Warnier a...@ice-sa.com wrote: So here is a challenge for the Apache devs : describe how a bot-writer could update his software to avoid the consequences of the scheme that I am advocating, without consequences on the effectivity

Re: URL scanning by bots

2013-05-02 Thread André Warnier
Christian Folini wrote: André, On Wed, May 01, 2013 at 02:47:55AM +0200, André Warnier wrote: With respect, I think that you misunderstood the purpose of the proposal. It is not a protection mechanism for any server in particular. And installing the delay on one server is not going to achieve

Re: URL scanning by bots

2013-05-01 Thread André Warnier
Tom Evans wrote: On Wed, May 1, 2013 at 1:47 AM, André Warnier a...@ice-sa.com wrote: Christian Folini wrote: Hey André, I do not think your protection mechanism is very good (for reasons mentioned before) But you can try it out for yourself easily with 2-3 ModSecurity rules and the pause

Re: URL scanning by bots

2013-05-01 Thread André Warnier
Marian Marinov wrote: On 05/01/2013 12:19 PM, Tom Evans wrote: On Wed, May 1, 2013 at 1:47 AM, André Warnier a...@ice-sa.com wrote: Christian Folini wrote: Hey André, I do not think your protection mechanism is very good (for reasons mentioned before) But you can try it out for yourself

Re: URL scanning by bots

2013-05-01 Thread André Warnier
Dirk-Willem van Gulik wrote: On 1 mei 2013, at 13:31, Graham Leggett minf...@sharp.fm wrote: The evidence was just explained - a bot that does not get an answer quick enough gives up and looks elsewhere. The key words are looks elsewhere. For what it is worth - I've been experimenting with

Re: URL scanning by bots

2013-05-01 Thread André Warnier
Graham Leggett wrote: On 01 May 2013, at 1:51 PM, André Warnier a...@ice-sa.com wrote: But *based on the actual data and patterns which I can observe on my servers (not guesses), I think it might have an effect*. Of course it might have an effect - the real important question

URL scanning by bots

2013-04-30 Thread André Warnier
Dear Apache developers, This is a suggestion relative to the code of the Apache httpd webserver, and a possible default new default option in the standard distribution of Apache httpd. It also touches on WWW security, which is why I felt that it belongs on this list, rather than on the general

Re: URL scanning by bots

2013-04-30 Thread André Warnier
Graham Leggett wrote: On 30 Apr 2013, at 12:03 PM, André Warnier a...@ice-sa.com wrote: The only cost would a relatively small change to the Apache webservers, which is what my suggestion consists of : adding a variable delay (say between 100 ms and 2000 ms) to any 404 response. This would

Re: URL scanning by bots

2013-04-30 Thread André Warnier
Ben Reser wrote: On Tue, Apr 30, 2013 at 3:03 AM, André Warnier a...@ice-sa.com wrote: Let us imagine for a moment that this suggestion is implemented in the Apache webservers, and is enabled in the default configuration. And let's imagine that after a while, 20% of the Apache webservers

Re: URL scanning by bots

2013-04-30 Thread André Warnier
Ben Reser wrote: On Tue, Apr 30, 2013 at 4:09 PM, André Warnier a...@ice-sa.com wrote: But I have been trying to figure out a real use case, where expecting 404 responses in the course of legitimate applications or website access would be a normal thing to do, and I admit that I haven't been

Re: URL scanning by bots

2013-04-30 Thread André Warnier
Ben Laurie wrote: On 30 April 2013 11:29, Graham Leggett minf...@sharp.fm wrote: On 30 Apr 2013, at 12:03 PM, André Warnier a...@ice-sa.com wrote: The only cost would a relatively small change to the Apache webservers, which is what my suggestion consists of : adding a variable delay (say

Re: URL scanning by bots

2013-04-30 Thread André Warnier
that they can scan over any given time period with the same number of bots. On Tue, Apr 30, 2013 at 12:03:28PM +0200, André Warnier wrote: Dear Apache developers, This is a suggestion relative to the code of the Apache httpd webserver, and a possible default new default option