[GTER] SQUID squid-3.1.0.14 + TPROXY

MARLON BORBA MBORBA at trf3.jus.br
Thu Nov 12 17:15:47 -02 2009 

hummm.. com que usuário ele deve rodá-lo?

;-)



 >>>Em 12/11/2009 às 17:13, Bruno Ayub <bruno.ayub at gmail.com> gravou:

> Roda esse comando e retorna o resultado pra gente:
> 
> 
> ulimit -n -H
> 
> 
> 
> 
> 2009/11/12 Luzivan <luzivan at gmail.com>
> 
>> Fiz todos estes ajustes... mas o problema dos FD continua.
>>
>> 2009/11/11 <servidores at futuro.usp.br>
>>
>> > Veja se ajuda:
>> > http://wiki.squid-cache.org/Features/Tproxy4 
>> >
>> > Lembrando que apartir do kernel 2.6.28 à suporte nativo ao TPROXY,
sem
>> > precisar de patchs.
>> >
>> > E a configuração do Squid torna-se bem simples como pode ser visto
acima.
>> >
>> >
>> >
>> >
>> > > Meu camarada...
>> > >
>> > >
>> > > Não sei qual seu problema. Os colegas já fizeram as perguntas
que eu
>> > > faria.
>> > >
>> > > considerações:
>> > >
>> > > 1- Tem memória pra caramba no seu servidor. Se o sistema
operacional
>> não
>> > > for
>> > > 64bits, você vai ter dificuldade para usa-la.
>> > > 2- Essa apresentação me ajudou (muito) a customizar o squid. (
>> > >
>> >
>> 
>
http://colab.interlegis.gov.br/attachment/wiki/EncontroGitec/squid.pdf?format

> =txt
>> > > )
>> > > 3- Uso o Debian v5. Squid 2.7 instalado via apt.
>> > > 4- Boa sorte!
>> > >
>> > >
>> > > [ ]'s
>> > >
>> > >
>> > > 2009/11/11 davi peres <daviperes at gmail.com>
>> > >
>> > >> Sem. Cerca de 60
>> > >>
>> > >> Em 11/11/09, Luzivan<luzivan at gmail.com> escreveu:
>> > >> > Fiz o teste baixando de 12Gb para 1GB até, também fiz um
teste
>> > >> alterando
>> > >> de
>> > >> > diskd para aufs e ufs, mas nada, sempre o problema do FD
aparece.
>> > >> >
>> > >> > Perguntas (Davi)
>> > >> > 1) O seu squid também trabalha com o tproxy ?
>> > >> >
>> > >> > 2) Quantas conexoes simultâneas seu proxy trabalha ?
>> > >> >
>> > >> >
>> > >> > 2009/11/11 davi peres <daviperes at gmail.com>
>> > >> >
>> > >> >> maximum_object_size 512 MB
>> > >> >> minimum_object_size 0 KB
>> > >> >> ipcache_size 1024
>> > >> >> ipcache_low 90
>> > >> >> ipcache_high 95
>> > >> >> fqdncache_size 1024
>> > >> >> cache_mem 512 MB
>> > >> >> cache_dir ufs /servidores/squid/var/cache 512 20 256
>> > >> >>
>> > >> >> o meu ta assim. tem 4gb de mem. so por via de duvidas tente
abaixar
>> > >> >> aqueles
>> > >> >> 12gb por que se nao me engano esta memoria eh multiplicada.
>> > >> >>
>> > >> >>
>> > >> >> 2009/11/10 Luzivan <luzivan at gmail.com>
>> > >> >>
>> > >> >> > ######### SQUID CONF ###########
>> > >> >> >
>> > >> >> > http_port 3129 tproxy
>> > >> >> > httpd_suppress_version_string on
>> > >> >> > max_open_disk_fds 0
>> > >> >> > error_directory /usr/local/squid/share/errors/Portuguese/
>> > >> >> > visible_hostname tempestade
>> > >> >> > cache_effective_user proxy
>> > >> >> > cache_effective_group proxy
>> > >> >> > debug_options ALL,1
>> > >> >> > logfile_rotate 7
>> > >> >> > client_db off
>> > >> >> > icp_port 0
>> > >> >> > ipcache_size 1024
>> > >> >> > cache_mem 12 GB
>> > >> >> > cache_swap_low 90
>> > >> >> > cache_swap_high 95
>> > >> >> > maximum_object_size 5 MB
>> > >> >> > maximum_object_size_in_memory 1 MB
>> > >> >> > minimum_object_size 0 KB
>> > >> >> > cache_dir diskd /cache/spool/squid3 1300000 16 256 Q1=64
Q2=72
>> > >> >> >
>> > >> >> > cache_dir diskd /cache/spool/squid3 1300000 16 256 Q1=64
Q2=72
>> > >> >> >
>> > >> >> > coredump_dir /cache/spool/squid3
>> > >> >> > cache_log /cache/log/squid3/cache.log
>> > >> >> > cache_store_log /cache/log/squid3/store.log
>> > >> >> > access_log /cache/log/squid3/access.log squid
>> > >> >> >
>> > >> >> > acl manager proto cache_object
>> > >> >> > acl localhost src 127.0.0.1/32
>> > >> >> > acl to_localhost dst 127.0.0.0/8
>> > >> >> >
>> > >> >> > cache_replacement_policy heap LFUDA
>> > >> >> > half_closed_clients off
>> > >> >> >
>> > >> >> > uri_whitespace encode
>> > >> >> > strip_query_terms on
>> > >> >> > ie_refresh on
>> > >> >> >
>> > >> >> > acl SSL_ports port 443
>> > >> >> > acl Safe_ports port 80          # http
>> > >> >> > acl Safe_ports port 21          # ftp
>> > >> >> > acl Safe_ports port 443         # https
>> > >> >> > acl Safe_ports port 70          # gopher
>> > >> >> > acl Safe_ports port 210         # wais
>> > >> >> > acl Safe_ports port 1025-65535  # unregistered ports
>> > >> >> > acl Safe_ports port 280         # http-mgmt
>> > >> >> > acl Safe_ports port 488         # gss-http
>> > >> >> > acl Safe_ports port 591         # filemaker
>> > >> >> > acl Safe_ports port 777         # multiling http
>> > >> >> > acl CONNECT method CONNECT
>> > >> >> >
>> > >> >> > http_access allow localhost
>> > >> >> > http_access allow all
>> > >> >> >
>> > >> >> > ########## FIM SQUID CONF #############
>> > >> >> >
>> > >> >> > 1) Estou compilando para usar com o TPROXY, poder usar
diskd ou
>> > >> aufs
>> > >> >> >
>> > >> >> > 2) Distro Debian 5.0 R3 com Kernal 2.6.30.4
>> > >> >> >
>> > >> >> >
>> > >> >> > 2009/11/10 Fabio Donizete Mantesso Machado <
>> > >> fabiomantesso at superig.com.br 
>> > >> >> >
>> > >> >> >
>> > >> >> > > posta o seu squid.conf ai!
>> > >> >> > > qual distro voce usa? qual a necessidade de compilar o
mesmo?
>> > >> >> > >
>> > >> >> > > 2009/11/10 Luzivan <luzivan at gmail.com>
>> > >> >> > >
>> > >> >> > > > As config de memória estão assim:
>> > >> >> > > >
>> > >> >> > > > ipcache_size 1024
>> > >> >> > > > cache_mem 12 GB
>> > >> >> > > > cache_swap_low 90
>> > >> >> > > > cache_swap_high 95
>> > >> >> > > > maximum_object_size 5 MB
>> > >> >> > > > maximum_object_size_in_memory 1 MB
>> > >> >> > > > minimum_object_size 0 KB
>> > >> >> > > >
>> > >> >> > > > cache_dir diskd /cache/spool/squid3 1300000 16 256
Q1=64
>> Q2=72
>> > >> >> > > >
>> > >> >> > > > OBS: Este servidor tem 16GB de memória
>> > >> >> > > >
>> > >> >> > > > 2009/11/9 davi peres <daviperes at gmail.com>
>> > >> >> > > >
>> > >> >> > > > > Ainda acho melhor você consultar sua configuração
de
>> memória
>> > >> >> > > > >
>> > >> >> > > > > Em 09/11/09, Luzivan<luzivan at gmail.com> escreveu:
>> > >> >> > > > > > para o squid reconhercer tive que alterar no
>> > >> >> > > /etc/security/limits.conf
>> > >> >> > > > > >
>> > >> >> > > > > > * - nofile 65535
>> > >> >> > > > > >
>> > >> >> > > > > > agora quando consulto das duas formas mostra a
quantidade
>> > >> do
>> > >> >> > > > limits.conf
>> > >> >> > > > > >
>> > >> >> > > > > >
>> > >> >> > > > > > squidclient -p 3129 mgr:info | grep descriptors
>> > >> >> > > > > >     Maximum number of file descriptors:   65536
>> > >> >> > > > > >     Available number of file descriptors: 65526
>> > >> >> > > > > >     Reserved number of file descriptors:   100
>> > >> >> > > > > >
>> > >> >> > > > > > cat /cache/log/squid3/cache.log | grep
descriptors
>> > >> >> > > > > > 2009/11/09 15:41:15| With 65536 file descriptors
>> available
>> > >> >> > > > > >
>> > >> >> > > > > > *mais tarde vou colocar em operação e ver o qua
acontece.
>> > >> >> > > > > >
>> > >> >> > > > > > 2009/11/8 Bruno L F Cabral
<bruno at openline.com.br>
>> > >> >> > > > > >
>> > >> >> > > > > >> >> Veja como está no SO.
>> > >> >> > > > > >> > ulimit -a proxy
>> > >> >> > > > > >> > open files                      (-n) 8192
>> > >> >> > > > > >>    ------------------------------------------
>> > >> >> > > > > >>
>> > >> >> > > > > >> Tente aumentar antes de iniciar o squid e veja se
ajuda.
>> > >> >> > > > > >>
>> > >> >> > > > > >> !3runo Cabral
>> > >> >> > > > > >> --
>> > >> >> > > > > >> gter list
>> > https://eng.registro.br/mailman/listinfo/gter 
>> > >> >> > > > > >>
>> > >> >> > > > > >
>> > >> >> > > > > >
>> > >> >> > > > > >
>> > >> >> > > > > > --
>> > >> >> > > > > > [Luzivan ;]
>> > >> >> > > > > > "O caminho do sucesso está sempre em construção"
>> > >> >> > > > > > --
>> > >> >> > > > > > gter list
>> https://eng.registro.br/mailman/listinfo/gter 
>> > >> >> > > > > >
>> > >> >> > > > >
>> > >> >> > > > > --
>> > >> >> > > > > Enviado do meu celular
>> > >> >> > > > > --
>> > >> >> > > > > gter list   
https://eng.registro.br/mailman/listinfo/gter 
>> > >> >> > > > >
>> > >> >> > > >
>> > >> >> > > >
>> > >> >> > > >
>> > >> >> > > > --
>> > >> >> > > > [Luzivan ;]
>> > >> >> > > > "O caminho do sucesso está sempre em construção"
>> > >> >> > > > --
>> > >> >> > > > gter list   
https://eng.registro.br/mailman/listinfo/gter 
>> > >> >> > > >
>> > >> >> > > --
>> > >> >> > > gter list   
https://eng.registro.br/mailman/listinfo/gter 
>> > >> >> > >
>> > >> >> >
>> > >> >> >
>> > >> >> >
>> > >> >> > --
>> > >> >> > [Luzivan ;]
>> > >> >> > "O caminho do sucesso está sempre em construção"
>> > >> >> > --
>> > >> >> > gter list    https://eng.registro.br/mailman/listinfo/gter

>> > >> >> >
>> > >> >> --
>> > >> >> gter list    https://eng.registro.br/mailman/listinfo/gter 
>> > >> >>
>> > >> >
>> > >> >
>> > >> >
>> > >> > --
>> > >> > [Luzivan ;]
>> > >> > "O caminho do sucesso está sempre em construção"
>> > >> > --
>> > >> > gter list    https://eng.registro.br/mailman/listinfo/gter 
>> > >> >
>> > >>
>> > >> --
>> > >> Enviado do meu celular
>> > >> --
>> > >> gter list    https://eng.registro.br/mailman/listinfo/gter 
>> > >>
>> > >
>> > >
>> > >
>> > > --
>> > > Bruno Ayub.
>> > > --
>> > > gter list    https://eng.registro.br/mailman/listinfo/gter 
>> > >
>> >
>> >
>> > --
>> > gter list    https://eng.registro.br/mailman/listinfo/gter 
>> >
>>
>>
>>
>> --
>> [Luzivan ;]
>> "O caminho do sucesso está sempre em construção"
>> --
>> gter list    https://eng.registro.br/mailman/listinfo/gter 
>>
> 

-- 

Abraços,

Marlon Borba, CISSP, APC DataCenter Associate
Técnico Judiciário · Segurança da Informação
IPv6 Evangelist · Moreq-Jus Evangelist
Comissão Local de Resposta a Incidentes - CLRI
TRF 3 Região
(11) 3012-1581
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