[httperf] Re: Connection rate is very low

Vikash Kumar vikash.kumar at oneconvergence.com
Tue Oct 23 01:49:47 PDT 2012


Thnx Victor.

On Tue, Oct 23, 2012 at 12:24 PM, Gattegno, Victor (CPR&Q GCC - ISS/SW
Tower) <victor_gattegno at hp.com> wrote:

>  Hi Vikash* *****
>
> ** **
>
> **Ø  **What can be done to stoop this message?****
>
> ** **
>
> You could do this:****
>
> ** **
>
> *# echo 0 > /proc/sys/net/ipv4/tcp_syncookies*****
>
> ** **
>
> Or, if you want it permanent (after reboot), set: net.ipv4.tcp_syncookies
> = 0 in /etc/sysctl.conf****
>
> ** **
>
> Rgds,****
>
> Victor****
>
> ** **
>
> *From:* httperf-bounces at linux.hpl.hp.com [mailto:
> httperf-bounces at linux.hpl.hp.com] *On Behalf Of *Vikash Kumar
> *Sent:* lundi 22 octobre 2012 13:58
> *To:* httperf at linux.hpl.hp.com
>
> *Subject:* [httperf] Re: Connection rate is very low****
>
>  ** **
>
>   I am also getting TCP SYN flooding msg in dmesg of *Haproxy host m/c*:**
> **
>
> ** **
>
>   [ 2965.742025] possible SYN flooding on port 80. Sending cookies.****
>
> ** **
>
>   Command   *cat /proc/sys/net/ipv4/tcp_syncookies is set to 1.* ****
>
> ** **
>
> *   *What can be done to stoop this message?****
>
> ** **
>
> Regards,****
>
> Vikash* *****
>
> ** **
>
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>
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