Hello!

On Mon, Sep 26, 2022 at 11:16:05PM +0200, Dipl. Ing. Sergey Brester via nginx-devel wrote:

> below is a patch to fix a weakness by logging of broken header by
> incorrect proxy protocol.
>
> If some service (IDS/IPS) analyzing or monitoring log-file, regularly
> formatted lines may be simply confused with lines written not escaped
> directly from buffer supplied from foreign source.
> Not to mention it may open a certain vector allowing "injection" of user
> input in order to avoid detection of failures or even to simulate
> malicious traffic from legitimate service.

https://trac.nginx.org/nginx/ticket/191

--
Maxim Dounin
http://mdounin.ru/
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