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構(gòu)建反病毒反垃圾郵件系統(tǒng)(五)_Mail服務(wù)器教程

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  二、防病毒系統(tǒng)

  1、安裝McAfee uvscan for linux

  McAfee uvscan for linux雖然是試用,但是沒有什么限制,可以升級(jí),也沒有過期。

  # wget http://www.XXXX.com/products/evaluation/virusscan/english/
cmdline/linux/version_4.24/intel/vlnx424e.tar.Z
  # tar xzf vlnx424e.tar.Z
  # ./install-uvscan

  默認(rèn)會(huì)裝到/usr/local/uvscan目錄下,不過uvscan需要libstdc++.so.2.8,直接運(yùn)行出現(xiàn)如下錯(cuò)誤:

  # uvscan
  uvscan: error while loading shared libraries: libstdc++.so.2.8:
cannot open shared objectfile: No such file or directory

  可以從如下地址獲得libstdc++.so.2.8的安裝包:

  # wget http://debian.marlow.dk/dists/woody/virus/pool/
lib/libstdc++2.8_2.90.29-2.deb
  # dpkg -i libstdc++2.8_2.90.29-2.deb

  這樣uvscan就可以正常運(yùn)行了,不過會(huì)提示病毒庫比較老了云云。寫個(gè)病毒庫更新腳本扔到crontab跑去吧:

  #!/bin/sh
  #
  # update-dat.sh
  #
  cd /usr/local/uvscan/
  wget -q -O readme.txt http://http://www.XXXX.com/products/datfiles/
4.x/nai/readme.txt >/dev/null
  AVVER=`head -5 readme.txt | grep ' 4[0-9][0-9][0-9] ' | head -1 |
sed -e 's/^.* \(4[0-9]*\) .*$/\1/'`
  if [ ! -f dat-$AVVER.tar ]; then
  for i in *.tar ; do
  mv $i $i.old
  done
  if wget http://http://www.XXXX.com/products/datfiles/4.x/nai/
dat-$AVVER.tar >/dev/null ; then
  for i in *.dat ; do
  cp -p $i $i.bak
  done
  if tar xf dat-$AVVER.tar ; then
  rm -f *.old
  echo `date` Successfully updated AntiVirus DAT files to $AVVER
  fi
  fi
  fi

  2、AMaViS的安裝

  AMaViS是uvscan和postfix之間的一個(gè)橋梁,完成郵件解碼,交給uvscan查毒,然后再處理,轉(zhuǎn)發(fā)操作。

  安裝amavisd前先確定以下軟件已經(jīng)安裝,lha、unarj等使用的no-free的分支版本:

  # apt-get install libio-stringy-perl mailtools libmime-perl libmailtools-perl libmime-base64-perl \
  libcompress-zlib-perl libconvert-uulib-perl libconvert-tnef-perl tnef libarchive-tar-perl \
  libarchive-zip-perl liBTime-hires-perl libunix-syslog-perl libdigest-md5-perl lha unarj unzip \
  gzip unrar zoo

  stable版本的amavisd比較老,使用如下鏈接:

  # wget http://www.XXXX..dk/dists/woody/custom/pool/compress/arc_5.21e-5_i386.deb
  # wget http://www.XXXX..dk/dists/woody/virus/pool/wrapper/amavisd-new_20030314p1-2_all.deb
  # wget http://www.XXXX..dk/dists/woody/virus/pool/lib/libnet-perl_1.12-1_all.deb
  # wget http://www.XXXX..dk/dists/woody/virus/pool/lib/libnet-server-perl_0.84-3_all.deb

  先安裝CPAN:

  # perl -MCPAN -e shell
  cpan> install CPAN
  cpan> install LWP
  cpan> install Archive::Tar
  cpan> install Archive::Zip
  cpan> install Compress::Zlib
  cpan> install Convert::TNEF
  cpan> install Convert::UUlib
  cpan> install MIME::Base64
  cpan> install MIME::Parser
  cpan> install Mail::Internet
  cpan> install Net::Server
  cpan> install Net::SMTP
  cpan> install Digest::MD5
  cpan> install IO::Stringy
  cpan> install Time::HiRes
  cpan> install Unix::Syslog

來源:網(wǎng)絡(luò)搜集//所屬分類:Mail服務(wù)器教程/更新時(shí)間:2013-04-14
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