hi arnd,

Am 08.02.2013 19:00 schrieb Arnd Raphael Brandes:
> are you identifying failed attemts by the http error code (403,401)?

yes, due to fail2ban's inability to work with regexes spanning multiple
lines …
there are, however, some legitimate 401 requests from apple devices -
hence the ignoreregex.

> However, where you put the <HOST> placeholder, I had localhost only - until 
> the last changes. This came due to the proxy setup with apache.

hmmmm, our setup here is more or less a plain vanilla one (ie. sogo on a
single server, without a dedicated frontend proxy. apache is proxying
requests internally to localhost:20000, however). the actual client ip
addresses do show up in the sogo log.

> About the port, from my understanding this is the port whitch wil be blocked 
> - an for me SOGo has 443 (https), only with
> CalDav/CardDav running over them.

that makes sense … i thought this to be the port the incriminated
requests were directed at, which is obviously wrong. thank you for
clarifying this.

with kind regards,
t.
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