Welcome! Log In Create A New Profile

Advanced

Re: Limit number of connections to server

April 04, 2017 06:14PM
You would probably want to also limit the number of connections per IP address, else one IP could lock up the entire site.


  Original Message  
From: Valentin V. Bartenev
Sent: Tuesday, April 4, 2017 1:58 PM
To: nginx@nginx.org
Reply To: nginx@nginx.org
Subject: Re: Limit number of connections to server

On Tuesday 04 April 2017 17:22:58 Kamil Gorlo wrote:
> Hi,
>
> is there a way to limit total number of open connections per listening port
> in Nginx? I know that there is limit_conn module but as far as I understand
> it only works on "request" layer, which means connections are counted only
> when request headers have been already read.
>
> I have problem when number of SSL connections to my server is very high
> (CPU is 100% and server becomes unresponsive), and I would like to "cut"
> new connections after some defined threshold is exceeded. It would possibly
> save some CPU cycles needed to handle SSL handshake, etc.
>
> Is it possible?
>

You should use system firewall. Most of *nix systems have one out of the box.

wbr, Valentin V. Bartenev

_______________________________________________
nginx mailing list
nginx@nginx.org
http://mailman.nginx.org/mailman/listinfo/nginx
_______________________________________________
nginx mailing list
nginx@nginx.org
http://mailman.nginx.org/mailman/listinfo/nginx
Subject Author Posted

Limit number of connections to server

Kamil Gorlo April 04, 2017 01:24PM

Re: Limit number of connections to server

Valentin V. Bartenev April 04, 2017 05:00PM

Re: Limit number of connections to server

gariac April 04, 2017 06:14PM

Re: Limit number of connections to server

unclepieman April 04, 2017 09:56PM



Sorry, only registered users may post in this forum.

Click here to login

Online Users

Guests: 82
Record Number of Users: 8 on April 13, 2023
Record Number of Guests: 421 on December 02, 2018
Powered by nginx      Powered by FreeBSD      PHP Powered      Powered by MariaDB      ipv6 ready