POSTFIX-AMAVIS-MCAFEE
Preparei um MICRO-HOWTO(tudo bem que ele está mais para NANO-HOWTO), do
postfix com antivirus etc etc, gostaria das criticas dos senhores
participantes da lista.... segue abaixo...
instalando POSTIFIX+AMAVIS+MCAFEE em um Debian 3.0
############################################################################
############
INSTALANDO O POSTFIX E O AMAVIS-POSTIFIX:
############################################################################
############
#apt-get install postfix
#apt-get install amavis-postfix
############################################################################
############
INSTALADO O ANTIVIRUS
############################################################################
############
Instale o Mcafee para linux.
Baixe o arquivo:
#cd /tmp
#wget
http://download.nai.com/products/evaluation/virusscan/english/cmdline/linux/
version_4.24/intel/vlnx424e.tar.Z
Crie o diretorio para o antivirus:
#mkdir /usr/src/uvscan
Descompacte o arquivo:
#cd /usr/src/uvscan
#tar xvzf /tmp/vlnx424e.tar.Z
Instale o Antivirus:
#./install-uvscan
teste o Antivirus:
#uvscan --version
############################################################################
############
ERRO DO UVSCAN
############################################################################
############
Deve acontecer um erro relativo um uma Biblioteca antiga que o MCAFEE
utiliza,
baixe e instale-a:
#cd tmp
#wget
ftp://ftp.br.debian.org/debian/dists/Debian2.2r7/main/binary-i386/oldlibs/li
bstdc++2.8_2.90.29-2.deb
#dpkg -i libstdc++2.8_2.90.29-2.deb
Teste novamente:
#uvscan --version
############################################################################
############
ATUALIZANDO O ANTIVIRUS
############################################################################
############
Baixe o atualizador do MCAFEE:
#wget http://www.astornet.com.br/uvscan/atuvscan
Torne-o executavel:
#chmod 755 atuvscan
#mv atvscan /usr/local/bin
Insira a atualização no CRONTAB:
#crontab -e
insira a linha a seguir:
0 0 * * * /usr/local/bin/atuvscan
salve o arquivo do CRONTAB
############################################################################
############
CORRIGINDO O ATUALIZADOR DO ANTIVIRUS
############################################################################
############
Tive alguns problemas com este atualizador quando ele era executado pelo
crom,
resolvi o problema altando as linha conforme explicado abaixo
edite o arquivo ATUVSCAN
#vi /usr/local/bin/atuvscan
Localize a linha:
DAT_AT=$(uvscan --version|grep "Virus data file"|cut -c 18-21)
Altera para:
DAT_AT=$(/usr/local/bin/uvscan --version|grep "Virus data file"|cut -c
18-21)
############################################################################
############
CONFIGURANDO O POSTIFIX PARA TRABALHAR COM O AMAVIS
############################################################################
############
edite o arquivo main.cf:
#vi /etc/postfix/main.cf
insira no fim do arquivo as linhas:
content_filter = vscan:
soft_bounce = yes
edite o arquivo master.cf:
#vi /etc/postfix/master.cf
insira no fim do arquivo as linhas:
vscan unix - n n - 10 pipe flags=q
user=vscan argv=/usr/sbin/amavi
localhost:10025 inet n - n - - smtpd -o content_filter=
############################################################################
#############
# CONFIGURANDO O AMAVIS
############################################################################
#############
adicione o usuário vscan:
#useradd vscan
#configure o arquivo do AMAVIS
vi /etc/amavisd.conf
encontre a linha:
# NAI AntiVirus (uvscan)
$uvscan = "";
e a altera para:
# NAI AntiVirus (uvscan)
$uvscan = "/usr/local/bin/uvscan";
salve o arquivo.
edite o arquivo abaixo:
#vi /var/lib/dpkg/statoverride
Localiza as linhas:
amavis root 755 /var/lib/amavis/virusmails
amavis root 755 /var/lib/amavis
Altere para:
vscan root 755 /var/lib/amavis/virusmails
vscan root 755 /var/lib/amavis
############################################################################
#############
# ALTERANDO AS MENSAGENS DO AMAVIS
############################################################################
#############
Para alterar as mensagens dos email de respostas do AMAVIS basta
editar o arquivo amavisd, mas antes faça uma copia do arquivo:
#cp /usr/sbin/amavisd /usr/sbin/amavisd.bkp
depois:
#vi /usr/sbin/amavisd
reinicie os servidores:
/etc/init.d/postfix restart
/etc/init.d/amavis-postfix restart
############################################################################
#############
# TESTANDO O SISTEMA
############################################################################
#############
acesse este site:
http://www.supportweb.dk/virustest/
mande por email eu abaixe o arquivo eicar.
acho que isto é tudo pessoal...
Diorgenes Mello
diorgenes.mello@ig.com.br
Reply to: