[FUG-BR] parece que o pf nao le as regras!
Cleyton Bertolim
cbertolim em gmail.com
Quarta Julho 25 15:42:03 BRT 2007
Segue meu RC.CONF tambem entao:
######## INICIO DO ARQUIVO
icmp_drop_redirect="YES"
icmp_bmcastecho="NO"
icmp_bandlim="YES"
tcp_keepalive="YES"
tcp_extensions="YES"
pf_enable="YES"
pf_rules="/etc/pf.conf"
pf_flags=""
hostname="servidor.agrola.com.br"
ifconfig_vr0="inet 192.168.247.254/24 up" # Rede Corporativa
ifconfig_rl0="inet 202.4.143.40/29 up" # Link BrT - WTS/VPN
ifconfig_rl1="inet 10.1.1.2/8 up" # Link BrT - Internet
defaultrouter="10.1.1.1"
log_in_vain="1"
syslogd_flags="-ss"
pflog_enable="YES"
pflog_logfile="/var/log/pflog"
pflog_flags=""
kern_securelevel_enable="YES"
kern_securelevel="-1"
nfs_server_enable="NO"
nfs_client_enable="NO"
nfs_reserved_port_only="NO"
sshd_enable="NO"
sendmail_enable="NO"
sendmail_submit_enable="NO"
sendmail_outbound_enable="NO"
sendmail_msp_queue_enable="NO"
moused_enable="NO"
moused_type="NO"
rpcbind_enable="NO"
inetd_enable="NO"
check_quotas="NO"
virecover_enable="NO"
mpd_enable="YES"
squid_enable="YES"
openssh_enable="YES"
apache22_enable="YES"
gateway_enable="YES"
dhcpd_enable="YES"
dhcpd_ifaces="vr0"
clear_tmp_enable="YES"
update_motd="NO"
keymap="br275.cp850"
keyrate="fast"
##### FINAL DO ARQUIVO
Em 25/07/07, Marcio Antunes<mantunes.listas em gmail.com> escreveu:
> manda o seu rc.conf tambem..
>
>
>
> Em 25/07/07, Cleyton Bertolim<cbertolim em gmail.com> escreveu:
> > Estou enviando o meu PF.CONF para que voces possam ter mais detalhes
> > da configuracao que tenho aqui.
> >
> > segue:
> >
> >
> > ##### INICIO DO ARQUIVO #######################
> >
> > ############################################################
> > ### Macros #################################################
> > ############################################################
> > internal = "vr0"
> > wts_vpn = "rl0"
> > external = "rl1"
> > mpd = "ng0"
> >
> > local_net = "192.168.247.0/24"
> > ip_fw_internal = "192.168.247.254"
> > ip_fw_external = "10.1.1.2"
> > ip_fw_wts_vpn = "202.4.143.40"
> >
> > nonroutable = "{ 192.168.0.0/16, 127.0.0.0/8, \
> > 172.16.0.0/12, 0.0.0.0/8, 169.254.0.0/16, \
> > 192.0.2.0/24, 204.152.64.0/23, 224.0.0.0/3, \
> > 255.255.255.255/32 }"
> >
> > table <caixa_ips> { 200.201.173.68 200.201.173.68/32 \
> > 200.201.166.200 200.201.166.200/32 200.201.174.207 \
> > 200.201.174.207/32 200.252.47.0/24 200.201.160.0/20 \
> > 200.201.0.0/16 200.165.60.137/32 200.242.61.4 \
> > 200.201.173.0/32 }
> >
> >
> > #--- LOG de estatisticas de filtragem ------------------####
> > set block-policy drop
> > set loginterface $external
> > set loginterface $wts_vpn
> > set state-policy if-bound
> >
> >
> > #--- Nao filtra na interface loopback e NG0 ------------####
> > set skip on lo0
> > set skip on $mpd
> >
> >
> > #--- faz scrub em pacotes que chegam -------------------####
> > scrub on { $external $internal $wts_vpn } all reassemble tcp
> >
> >
> >
> > ############################################################
> > ### NAT dos enderecos IP internos do range ###
> > ### 192.168.247.0/24 para o endereco IP roteavel/valido ###
> > ### da interface rl0 ###
> > ############################################################
> > nat pass on $external from $local_net to any -> $external
> > nat pass on $wts_vpn from $local_net to any -> $wts_vpn
> >
> >
> > ############################################################
> > ### Proxy transparente #####################################
> > ############################################################
> > rdr pass on $internal inet proto tcp from $local_net to any port 3389
> > -> $ip_fw_wts_vpn
> >
> > rdr pass on $internal inet proto tcp from $local_net to !<caixa_ips>
> > port 80 -> $ip_fw_internal port 3128
> >
> >
> > ############################################################
> > ### Filtragem de pacotes ###################################
> > ############################################################
> > block all
> > antispoof quick for { $internal $external $wts_vpn } inet
> >
> >
> > #--- Loopback @ 127.0.0.1/8 ----------------------------####
> > pass out quick on lo0 all
> > pass in quick on lo0 all
> >
> >
> > #--- NG0 @ 192.168.247.1/24 ----------------------------####
> > pass out quick on $mpd all modulate state
> > pass in quick on $mpd all modulate state
> >
> >
> > #--- Rede Local @ 192.168.247.254/24 -------------------####
> > pass out quick on $internal all modulate state
> > pass in quick on $internal all modulate state
> > pass in quick on $internal inet proto icmp all modulate state
> >
> >
> > #--- Link BrT/WTS_VPN @ 202.4.143.40/29 ----------------####
> > block drop out log quick on $wts_vpn from any to $nonroutable
> > pass out quick on $wts_vpn from any to any modulate state
> >
> > pass in log quick on $wts_vpn inet proto tcp from 202.37.33.54 to
> > $ip_fw_wts_vpn port 1723 flags S/SA synproxy state
> > pass in log quick on $wts_vpn inet proto tcp from any to
> > $ip_fw_wts_vpn port 50000 flags S/SA synproxy state
> >
> > block drop in log quick on $wts_vpn inet proto tcp from any to any flags FUP/FUP
> > block drop in log quick on $wts_vpn inet proto tcp from any to any flags SF/SFRA
> > block drop in log quick on $wts_vpn inet proto tcp from any to any flags /SFRA
> > block drop in quick on $wts_vpn proto tcp from any to any port = 113
> > block drop in log quick on $wts_vpn inet proto icmp from any to any
> > icmp-type redir
> > block drop in log quick on $wts_vpn from $nonroutable to any
> > block drop in log quick on $wts_vpn all
> > block return
> >
> >
> > #--- Link BrT/ADSL @ 10.1.1.2/8 -------------------------####
> > block drop out log quick on $external from any to $nonroutable
> > pass out quick on $external from any to any modulate state
> >
> > pass in log quick on $external inet proto tcp from any to
> > $ip_fw_external port 50000 flags S/SA synproxy state
> >
> > block drop in log quick on $external inet proto tcp from any to any
> > flags FUP/FUP
> > block drop in log quick on $external inet proto tcp from any to any
> > flags SF/SFRA
> > block drop in log quick on $external inet proto tcp from any to any flags /SFRA
> > block drop in quick on $external proto tcp from any to any port = 113
> > block drop in log quick on $external inet proto icmp from any to any
> > icmp-type redir
> > block drop in log quick on $external from $nonroutable to any
> > block drop in log quick on $external all
> > block return
> >
> > #### FINAL DO ARQUIVO #############
> >
> >
> >
> >
> >
> > Em 25/07/07, Welkson Renny de Medeiros<welkson em focusautomacao.com.br> escreveu:
> > > Cleyton, é um belo chute... mas lá vai... comigo também aconteceu isso... se
> > > não me engano foi até o "irado" me deu umas dicas e consegui resolver... nas
> > > minhas regras tinha referência a alguns "domínios", e como o bsd ainda
> > > estava startando não conseguia resolver o domínio e não carregava nada...
> > > (tipo: block in on $int_if from any to globo.com)... não sei se o mesmo erro
> > > serve para nomes de pcs cadastrados no arquivo /etc/hosts... só sugestão! no
> > > flames!! :-)
> > >
> > >
> > > --
> > > Welkson Renny de Medeiros
> > > Focus Automação Comercial
> > > Desenvolvimento / Gerência de Redes
> > > welkson em focusautomacao.com.br
> > >
> > >
> > >
> > > Powered by ....
> > >
> > > (__)
> > > \\\'',)
> > > \/ \ ^
> > > .\._/_)
> > >
> > > www.FreeBSD.org
> > >
> > > ----- Original Message -----
> > > From: "Cleyton Bertolim" <cbertolim em gmail.com>
> > > To: "Lista Brasileira de Discussão sobre FreeBSD (FUG-BR)"
> > > <freebsd em fug.com.br>
> > > Sent: Wednesday, July 25, 2007 2:29 PM
> > > Subject: [FUG-BR] parece que o pf nao le as regras!
> > >
> > >
> > > Boa tarde BSD's!!!!!
> > >
> > > Seguinte, tenho um servidor com FreeBSD-6.2-Stable, rodando o MPD como
> > > servidor de VPN na porta 1723, e com PF como firewall. As regras do pf
> > > estao funcionando perfeitamente!
> > >
> > > Quando ligo este servidor, ele carrega a VPN, o PF inicia sem nenhuma
> > > mensagem de erro, eu me conecto ao servidor de VPN remotamente, mas
> > > quando dou um PING do meu micro pra dentro da rede VPN, nao consigo
> > > resposta alguma, e tambem quando tento acessar algum compartilhamento
> > > pela VPN, tambem nao da. É como se a rede estivesse desconectada!!!
> > > Mas, se entro no servidor de VPN por SSH e digito: pfctl -f
> > > /etc/pf.conf, ele comeca a funcionar tudo normalmente..... consigo
> > > pingar as maquinas dentro da VPN e tambem acessar seus
> > > compartilhamentos!!!!
> > >
> > > Parece que so funciona as coisas depois de executar o comando pfctl -f
> > > /etc/pf.conf !!!!!
> > >
> > > Como dentro do arquivo /etc/rc.conf tem as instrucoes pra iniciar o pf
> > > e tambem o arquivo de regras pf.conf, ele esta lendo as regras, mas
> > > nesse caso da VPN, parece que mesmo com a vpn conectada, tenho que dar
> > > o comando pra reler as regras do PF.
> > >
> > > Alguem ja passou por isso??
> > > O que fazer??
> > >
> > > Desde ja meus agradecimentos!
> > >
> > > Cleyton Bertolim.
> > > -------------------------
> > > Histórico: http://www.fug.com.br/historico/html/freebsd/
> > > Sair da lista: https://www.fug.com.br/mailman/listinfo/freebsd
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