[httperf] Re: Connection rate is very low

Vikash Kumar vikash.kumar at oneconvergence.com
Tue Oct 23 02:52:57 PDT 2012


But Victor that will lead to drop more legitimate connections.

Thnx

On Tue, Oct 23, 2012 at 2:19 PM, Vikash Kumar <
vikash.kumar at oneconvergence.com> wrote:

> 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* *****
>>
>> ** **
>>
>> _______________________________________________
>> httperf mailing list
>> httperf at linux.hpl.hp.com
>> http://www.hpl.hp.com/hosted/linux/mail-archives/httperf/
>>
>
>
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