Malformed newsgroup control messages

[Russ Allbery]

Rajeev Lamba <Rajeev.Lamba at Sun.COM> writes:

> We are seeing frequent control messages to non-existing french
> newsgroups on our news server.Noticed newsgoups have some french
> (special) character and from badcontrol.log is reported as "Malformed
> newsgroup name".

> Everytime we get few of these malformed newsgroups postings have noticed
> Load avg. on news servers shoots up momentarily. What would be the best
> method to block/restrict these control message postings ?

Which version of INN are you running?  Any recent version should be using
controlchan, which will single-thread control message processing and
shouldn't produce a load impact.  It should be fine to just let
controlchan deal with reading and throwing away these messages.

-- 
Russ Allbery (rra at stanford.edu)             <http://www.eyrie.org/~eagle/>

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