# TCP Load Balancing with Proxy Protocol

**URL:** <https://www.ruby-forum.com/t/tcp-load-balancing-with-proxy-protocol/244214>\
**Category:** NGINX\
**Created:** [March 7, 2016, 3:11pm UTC](https://www.ruby-forum.com/t/tcp-load-balancing-with-proxy-protocol/244214 "2016-03-07T15:11:14Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Sadaf\_N](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/858c86/32.png) [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\
**Post date:** [March 7, 2016, 3:11pm UTC](https://www.ruby-forum.com/t/tcp-load-balancing-with-proxy-protocol/244214/1 "2016-03-07T15:11:14Z")

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Hi,

Newbie here. Would like to ask if NGINX supports Proxy Protocol. This  
to  
expose client IP addresses to the backend nodes.

Regards,  
Chino

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**Author:** ![Chino\_Aureus](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/c/e19adc/32.png) [@Chino\_Aureus](https://www.ruby-forum.com/u/Chino_Aureus)\
**Post date:** [March 7, 2016, 3:34pm UTC](https://www.ruby-forum.com/t/tcp-load-balancing-with-proxy-protocol/244214/2 "2016-03-07T15:34:36Z")

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Yes, it is [Accepting the PROXY Protocol | NGINX Documentation](https://www.nginx.com/resources/admin-guide/proxy-protocol/)

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**Author:** ![Chino\_Aureus](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/c/e19adc/32.png) [@Chino\_Aureus](https://www.ruby-forum.com/u/Chino_Aureus)\
**Post date:** [March 7, 2016, 3:58pm UTC](https://www.ruby-forum.com/t/tcp-load-balancing-with-proxy-protocol/244214/3 "2016-03-07T15:58:33Z")

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Hi.

Am 07-03-2016 15:33, schrieb Pavlo Zhuk:

> Yes, it is [NGINX | F5](https://www.nginx.com/resources/admin-guide/proxy-protocol/)

Please pay attention that only V1 is supported!

> **[hg.nginx.org is decommissioned](http://hg.nginx.org/nginx/file/tip/src/core/ngx_proxy_protocol.c)**

> **[5.2. Server and default-server options - HAProxy version 1.5.18 - Configuration...](http://cbonte.github.io/haproxy-dconv/configuration-1.5.html#send-proxy)**

If you want to use the check option in haproxy then please also take a  
look into this.

> **[5.2. Server and default-server options - HAProxy version 1.5.18 - Configuration...](http://cbonte.github.io/haproxy-dconv/configuration-1.5.html#check-send-proxy)**

BR Aleks