Administrao de Sistemas Ferramentas e KnowHow Sistemas Operativos

Administração de Sistemas Ferramentas e Know-How Sistemas Operativos Scripting Servidores Web Servidores Base de

Serviços de Rede Squid Proxy Vo. IP PBX DHCP + DNS IPtables Remote Shell

IPtables iptables -t mangle -A PREROUTING -s $LAN -p tcp -m tcp --dport 80

Advanced Routing /sbin/ip route add default via $ADSL_A dev eth 0 table 201 /sbin/ip

SSH VPN /usr/sbin/pppd nodetach noauth pty “ssh -i /root/. ssh/private_key root@$IP_4 '/usr/sbin/pppd

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Administração de Sistemas Ferramentas e Know-How Sistemas Operativos Scripting Servidores Web Servidores Base de Dados Serviços Rede Monitorização Projecto Website Empresa Projecto IPtables e Advanced Routing

Sistemas Operativos Centos Red Hat

Scripting Perl

Servidores Web Tomcat

Servidores de Base de Dados

Serviços de Rede Squid Proxy Vo. IP PBX DHCP + DNS IPtables Remote Shell Virtualization

Monitorização

[Projectos] Website Empresa

[Projectos] IPtables e Advanced Routing

Primeiro Cenário

Cenário Actual

IPtables iptables -t mangle -A PREROUTING -s $LAN -p tcp -m tcp --dport 80 -j MARK --set-mark 0 x 1

Advanced Routing /sbin/ip route add default via $ADSL_A dev eth 0 table 201 /sbin/ip rule add fwmark 1 table 201 /sbin/ip route add default via $ADSL_B dev eth 1 table 202 /sbin/ip rule add fwmark 2 table 202 /sbin/ip route add default via $ADSL_C dev eth 2 table 203 /sbin/ip rule add fwmark 3 table 203 /sbin/ip route add table 205 default equalize nexthop via $ADSL_A dev eth 0 weight 2 nexthop via $ADSL_B dev eth 1 weight 2 nexthop via $ADSL_C dev eth 5 weight 2 /sbin/ip rule add fwmark 5 table 205

SSH VPN /usr/sbin/pppd nodetach noauth pty “ssh -i /root/. ssh/private_key root@$IP_4 '/usr/sbin/pppd notty noauth 10. 0. 0. 2: 10. 0. 0. 1' “ 10. 0. 0. 1: 10. 0. 0. 2

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