Qaul serviço voce quer acessar na net ?
Qual o erro que apresenta ?


2011/6/6 Rodrigo Lira <[email protected]>:
> Salve Salve Galera!!!!
> Seguinte, to com um problema em uma das empresas que dou suporte. Tem um
> software que faz envio de pedidos de revelação de Fotos, já fiz todas as
> liberações no firewall mas o mesmo continua dando erro:
> Segue abaixo o meu firewall, squid e o tcpdump.
> FIREWALL
> #!/bin/bash
> # Modulos de Compartilhamento da Conexão
> /sbin/modprobe ip_nat_amanda
> /sbin/modprobe ip_nat_h323
> /sbin/modprobe ip_nat
> /sbin/modprobe ip_nat_sip
> /sbin/modprobe ip_nat_tftp
> /sbin/modprobe ip_nat_ftp
> /sbin/modprobe ip_nat_irc
> /sbin/modprobe ip_nat_pptp
> /sbin/modprobe ip_nat_snmp_basic
> /sbin/modprobe iptable_nat
> /sbin/modprobe ip_conntrack_ftp
> /sbin/iptables -F
> /sbin/iptables -F -t nat
> /sbin/iptables -X
> INTERNET="ppp0"
> REDELOCAL="eth1"
> echo 1 > /proc/sys/net/ipv4/ip_forward
> iptables -P INPUT ACCEPT
> iptables -P OUTPUT ACCEPT
> iptables -P FORWARD ACCEPT
> #Regras de nat para Servicos Convide Eventos
> iptables -t nat -I POSTROUTING -d convideeventos.com.br -j MASQUERADE
> iptables -t nat -I POSTROUTING -d alphaeditora.com.br -j MASQUERADE
> iptables -t nat -I POSTROUTING -d redenetworks.net.br -j MASQUERADE
> iptables -t nat -I POSTROUTING -d convideeventos.com.br -j MASQUERADE
> iptables -t nat -I POSTROUTING -d hayangroup.com.br -j MASQUERADE
> iptables -t nat -I POSTROUTING -d zyoncore.com.br -j MASQUERADE
> iptables -t nat -I POSTROUTING -d servidor01.zyoncore.com.br -j MASQUERADE
> iptables -t nat -I POSTROUTING -d locaweb.com.br -j MASQUERADE
> iptables -t nat -I POSTROUTING -d xxxdnn1252.locaweb.com.br -j MASQUERADE
> iptables -t nat -I POSTROUTING -d cabald.sites.uol.com.br -j MASQUERADE
> iptables -t nat -I POSTROUTING -d webgeral.com -j MASQUERADE
> iptables -t nat -I POSTROUTING -d ns1.webgeral.com -j MASQUERADE
> iptables -t nat -I POSTROUTING -d ns2.webgeral.com -j MASQUERADE
> iptables -t nat -I POSTROUTING -d akamai.com -j MASQUERADE
> iptables -t nat -I POSTROUTING -d 189.1.162.21 -j MASQUERADE
> iptables -t nat -I POSTROUTING -d 186.202.10.40 -j MASQUERADE
> iptables -t nat -I POSTROUTING -d 189.1.161.55 -j MASQUERADE
> iptables -t nat -I POSTROUTING -d 189.1.161.50 -j MASQUERADE
> iptables -t nat -I POSTROUTING -d 187.61.11.122 -j MASQUERADE
> iptables -t nat -I POSTROUTING -d 187.45.247.66 -j MASQUERADE
> iptables -t nat -I POSTROUTING -d 187.17.68.200 -j MASQUERADE
> iptables -t nat -I POSTROUTING -d 187.61.11.122 -j MASQUERADE
> iptables -t nat -I POSTROUTING -d 187.0.211.215 -j MASQUERADE
> iptables -t nat -I POSTROUTING -d 187.45.202.30 -j MASQUERADE
> iptables -t nat -I POSTROUTING -d 200.219.246.7 -j MASQUERADE
> iptables -t nat -I POSTROUTING -d 189.126.119.93 -j MASQUERADE
> iptables -t nat -I POSTROUTING -d 189.126.116.18 -j MASQUERADE
> iptables -t nat -I POSTROUTING -d 200.140.198.223 -j MASQUERADE
> iptables -t nat -I POSTROUTING -d 200.140.198.224 -j MASQUERADE
> iptables -t nat -I POSTROUTING -d 200.140.198.225 -j MASQUERADE
> iptables -t nat -I POSTROUTING -d 200.140.198.226 -j MASQUERADE
> iptables -t nat -I POSTROUTING -d 200.140.198.227 -j MASQUERADE
> iptables -t nat -I POSTROUTING -d 200.140.198.228 -j MASQUERADE
> #Regra de bloqueio ao acesso externo do proxy
> iptables -A INPUT -p tcp -i $INTERNET -m multiport --destination-port 3128
> -j DROP
> #Porta SSL
> iptables -t nat -A POSTROUTING  -p tcp --dport 443 -j MASQUERADE
> #TEAMVIEWER
> iptables -t nat -I POSTROUTING -p tcp --dport 5930 -j MASQUERADE
> #FTP
> iptables -t nat -I POSTROUTING -p tcp --dport 21 -j MASQUERADE
> #SQUID redirect
> iptables -t nat -A PREROUTING -p tcp -i $REDELOCAL --dport 80 -j REDIRECT
> --to-port 3128
>
> SQUID
> http_port 3128 transparent
> visible_hostname cache-convide
> error_directory /usr/share/squid/errors/Portuguese
> cache_access_log /var/log/squid/access.log
> cache_dir ufs /var/spool/squid 80240 32 512
> maximum_object_size 512 MB
> minimum_object_size 0 KB
> cache_swap_low 90
> cache_swap_high 95
> dns_nameservers 208.67.222.222
> acl all src 0.0.0.0/0.0.0.0
> acl manager proto cache_object
> acl localhost src 127.0.0.1/255.255.255.255
> acl SSL_ports port 443 563
> acl Safe_ports port 21 80 443 563 70 210 280 488 59 777 901 1025-65535
> acl purge method PURGE
> acl CONNECT method CONNECT
> http_access allow manager localhost
> http_access deny manager
> http_access allow purge localhost
> http_access deny purge
> http_access deny !Safe_ports
> http_access deny CONNECT !SSL_ports
> acl NOCACHE url_regex 192.168.0.1 \?
> no_cache deny NOCACHE
> # ACLs
> acl redelocal src 192.168.0.0/24
> acl manha time 06:00-08:00
> acl noite time 19:00-20:00
> acl almoco time 12:00-14:00
> #ACLs para permissao de acesso
> acl acesso_ouro src "/etc/squid/ips_ouro.txt"
> acl acesso_prata src "/etc/squid/ips_prata.txt"
> acl acesso_bronze src "/etc/squid/ips_bronze.txt"
> #ACLs sites liberados
> acl sites_bronze url_regex "/etc/squid/sites_bronze.txt"
> acl sites_prata url_regex "/etc/squid/sites_prata.txt"
> #Execucao das ACLS
> #Libera o acesso aos sites liberados
> http_access allow sites_bronze
> http_access allow sites_prata
> #Primeiro nivel de acesso a internet
> http_access allow acesso_ouro
> #Segundo nivel de acesso a internet
> http_access allow manha
> http_access allow noite
> http_access allow almoco
> #Segundo nivel de bloqueio
> http_access deny redelocal
> #Terceiro nivel de bloqueio
> http_access deny all
>
> TCPDUMP
> 12:25:01.491009 IP 192.168.0.29.51763 > 200.140.198.224.80: Flags [S], seq
> 2717378554, win 8192, options [mss 1460,nop,wscale 2,nop,nop,sackOK], length
> 0
> 12:25:01.491039 IP 200.140.198.224.80 > 192.168.0.29.51763: Flags [S.], seq
> 2083647526, ack 2717378555, win 5840, options [mss
> 1460,nop,nop,sackOK,nop,wscale 7], length 0
> 12:25:01.491205 IP 192.168.0.29.51763 > 200.140.198.224.80: Flags [.], ack
> 1, win 16425, length 0
> 12:25:01.492790 IP 192.168.0.29.51763 > 200.140.198.224.80: Flags [P.], seq
> 1:325, ack 1, win 16425, length 324
> 12:25:01.492808 IP 200.140.198.224.80 > 192.168.0.29.51763: Flags [.], ack
> 325, win 54, length 0
> 12:25:01.493040 IP 192.168.0.29.51763 > 200.140.198.224.80: Flags [P.], seq
> 325:756, ack 1, win 16425, length 431
> 12:25:01.493055 IP 200.140.198.224.80 > 192.168.0.29.51763: Flags [.], ack
> 756, win 63, length 0
> 12:25:01.697631 IP 200.140.198.224.80 > 192.168.0.29.51763: Flags [P.], seq
> 1:408, ack 756, win 63, length 407
> 12:25:01.697655 IP 200.140.198.224.80 > 192.168.0.29.51763: Flags [.], seq
> 408:1868, ack 756, win 63, length 1460
> 12:25:01.697666 IP 200.140.198.224.80 > 192.168.0.29.51763: Flags [P.], seq
> 1868:1919, ack 756, win 63, length 51
> 12:25:01.698248 IP 192.168.0.29.51763 > 200.140.198.224.80: Flags [.], ack
> 1919, win 16425, length 0
> 12:25:01.891401 IP 192.168.0.29.51764 > 200.140.198.224.80: Flags [S], seq
> 1498805634, win 8192, options [mss 1460,nop,wscale 2,nop,nop,sackOK], length
> 0
> 12:25:01.891423 IP 200.140.198.224.80 > 192.168.0.29.51764: Flags [S.], seq
> 2101414921, ack 1498805635, win 5840, options [mss
> 1460,nop,nop,sackOK,nop,wscale 7], length 0
> 12:25:01.891642 IP 192.168.0.29.51764 > 200.140.198.224.80: Flags [.], ack
> 1, win 16425, length 0
> 12:25:01.892585 IP 192.168.0.29.51764 > 200.140.198.224.80: Flags [P.], seq
> 1:332, ack 1, win 16425, length 331
> 12:25:01.892602 IP 200.140.198.224.80 > 192.168.0.29.51764: Flags [.], ack
> 332, win 54, length 0
> 12:25:01.892841 IP 192.168.0.29.51764 > 200.140.198.224.80: Flags [P.], seq
> 332:734, ack 1, win 16425, length 402
> 12:25:01.892856 IP 200.140.198.224.80 > 192.168.0.29.51764: Flags [.], ack
> 734, win 63, length 0
> 12:25:02.087377 IP 200.140.198.224.80 > 192.168.0.29.51764: Flags [P.], seq
> 1:408, ack 734, win 63, length 407
> 12:25:02.087397 IP 200.140.198.224.80 > 192.168.0.29.51764: Flags [P.], seq
> 408:1570, ack 734, win 63, length 1162
> 12:25:02.087657 IP 200.140.198.224.80 > 192.168.0.29.51764: Flags [P.], seq
> 1570:2153, ack 734, win 63, length 583
> 12:25:02.087884 IP 192.168.0.29.51764 > 200.140.198.224.80: Flags [.], ack
> 1570, win 16425, length 0
> 12:25:02.210895 IP 192.168.0.29.51765 > 187.45.202.30.80: Flags [S], seq
> 598358245, win 8192, options [mss 1460,nop,wscale 2,nop,nop,sackOK], length
> 0
> 12:25:02.210917 IP 187.45.202.30.80 > 192.168.0.29.51765: Flags [S.], seq
> 2090396113, ack 598358246, win 5840, options [mss
> 1460,nop,nop,sackOK,nop,wscale 7], length 0
> 12:25:02.211131 IP 192.168.0.29.51765 > 187.45.202.30.80: Flags [.], ack 1,
> win 16425, length 0
> 12:25:02.211807 IP 192.168.0.29.51765 > 187.45.202.30.80: Flags [P.], seq
> 1:714, ack 1, win 16425, length 713
> 12:25:02.211825 IP 187.45.202.30.80 > 192.168.0.29.51765: Flags [.], ack
> 714, win 57, length 0
> 12:25:02.289333 IP 200.140.198.224.80 > 192.168.0.29.51764: Flags [P.], seq
> 1570:2153, ack 734, win 63, length 583
> 12:25:02.289753 IP 192.168.0.29.51764 > 200.140.198.224.80: Flags [.], ack
> 2153, win 16279, options [nop,nop,sack 1 {1570:2153}], length 0
> 12:25:02.369489 IP 187.45.202.30.80 > 192.168.0.29.51765: Flags [P.], seq
> 1:385, ack 714, win 57, length 384
> 12:25:02.369509 IP 187.45.202.30.80 > 192.168.0.29.51765: Flags [P.], seq
> 385:1511, ack 714, win 57, length 1126
> Galera nao coloquei o log do tcpdump todo porque era muito extenso e
> repetitivo.
>
> Rodrigo Lira
> Coordenador de Suporte Técnico
> Rede GigaNet
> (83) 3021-5430 / 8754-5490 / 9906-2552
> Msn: [email protected]
> Skype: rbl1984
> ------------------------------------------
>
> --
> GUS-BR - Grupo de Usuários de Slackware Brasil
> http://www.slackwarebrasil.org/
> http://groups.google.com/group/slack-users-br
>
> Antes de perguntar:
> http://www.istf.com.br/perguntas/
>
> Para sair da lista envie um e-mail para:
> [email protected]



-- 
Otavio Augusto
---------------------
Consultor de TI

-- 
GUS-BR - Grupo de Usuários de Slackware Brasil
http://www.slackwarebrasil.org/
http://groups.google.com/group/slack-users-br

Antes de perguntar:
http://www.istf.com.br/perguntas/

Para sair da lista envie um e-mail para:
[email protected]

Responder a