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Re: Nginx, Linux и DDOS

Никита Кардашин
April 24, 2010 09:10AM
А, ну и conntrack, snat и прочее отключены. Они мне там не нужны,
поэтому просто выгружены модули.

24.04.10, Никита Кардашин<megalin2@gmail.com> написал(а):
> Мой sysctl.conf, на часто атакуемом сервере:
>
> net.ipv4.icmp_echo_ignore_broadcasts=1
> net.ipv4.conf.all.forwarding=0
> net.ipv4.conf.all.mc_forwarding=0
> net.ipv4.tcp_syncookies=1
> net.core.rmem_max=202143
> net.core.rmem_default=202143
> net.ipv4.tcp_sack=0
> net.ipv4.tcp_timestamps=0
> net.ipv4.ip_local_port_range=1024 65000
> net.core.somaxconn=32768
> net.ipv4.tcp_max_syn_backlog=16384
> net.ipv4.tcp_syncookies=1
> net.ipv4.tcp_tw_reuse=1
> net.ipv4.tcp_tw_recycle=1
> net.ipv4.tcp_fin_timeout=25
>
>
> По конкретным параметрам сейчас уже не вспомню, но работает вполне успешно.
>
> 2010/4/24, Alex Vorona <voron@amhost.net>:
>> 24.04.2010 15:45, sba wrote:
>>> # head /proc/sys/net/ipv4/tcp_max_tw_buckets
>>> 1440000
>>>
>>> увеличил до 1500000 - не помогло
>>>
>> Не забывайте про sysctl'и
>> net.ipv4.tcp_tw_reuse=1
>> net.ipv4.tcp_tw_recycle=1
>> net.core.somaxconn=32768
>> net.ipv4.tcp_max_syn_backlog=32768
>>
>> И увеличение listen backlog в nginx
>>
>> _______________________________________________
>> nginx-ru mailing list
>> nginx-ru@nginx.org
>> http://nginx.org/mailman/listinfo/nginx-ru
>>
>
>
> --
> With best regards,
> differentlocal (www.differentlocal.ru | differentlocal@gmail.com),
> System administrator.
>


--
With best regards,
differentlocal (www.differentlocal.ru | differentlocal@gmail.com),
System administrator.

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Subject Author Posted

Nginx, Linux и DDOS

sba April 24, 2010 08:05AM

Re: Nginx, Linux и DDOS

Bokhan Artem April 24, 2010 08:16AM

Re: Nginx, Linux и DDOS

sba April 24, 2010 08:31AM

Re: Nginx, Linux и DDOS

big bond April 24, 2010 08:36AM

Re: Nginx, Linux и DDOS

Bokhan Artem April 24, 2010 08:38AM

Re: Nginx, Linux и DDOS

sba April 24, 2010 08:45AM

Re: Nginx, Linux и DDOS

Alex Vorona April 24, 2010 08:56AM

Re: Nginx, Linux и DDOS

Никита Кардашин April 24, 2010 09:10AM

Re: Nginx, Linux и DDOS

Никита Кардашин April 24, 2010 09:10AM



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