Linux anti-virus software (ClamAV)

Clam Antivirus is an anti-virus package used on UNIX-like systems. Mainly used in mail server, multi-threaded background operation, you can automatically upgrade the virus database.

1. Software Installation

[email protected] ~]# Yum install ClamAV clamav-db clamav-devel clamav-milter-y
[Email protected] ~]# vim/etc/clamd.conf
Logfile/var/log/clamav/clamd.log #去掉以下注释

Logfilemaxsize 100M #日志文件的大小

LogTime Yes #日志记录时间

LogRotate Yes #日志轮回

Pidfile/var/run/clamav/clamd.pid #PID文件存放
[Email protected] ~]#/ETC/INIT.D/CLAMD restart
Stopping Clam AntiVirus Daemon: [OK]
Starting Clam AntiVirus Daemon: [OK]
[Email protected] ~]#/etc/init.d/clamav-milter restart
Stopping Clamav milter Daemon: [OK]
Starting Clamav milter Daemon: [OK]
[Email protected] ~]#

2. Upgrading the virus database

[Email protected] ~]# Freshclam
ClamAV update process started at Mon 16 17:21:02 2016
Warning:can ' t query current.cvd.clamav.net
Warning:invalid DNS reply. Falling back to HTTP mode.
Reading CVD Header (MAIN.CVD):
Ok
MAIN.CVD is up to date (version:57, sigs:4218790, f-level:60, Builder:amishhammer)
Reading CVD Header (DAILY.CVD): OK
DAILY.CLD is up to date (version:21555, sigs:143628, f-level:63, Builder:neo)
Reading CVD Header (BYTECODE.CVD): OK
BYTECODE.CVD is up to date (version:277, sigs:47, f-level:63, Builder:neo)
[Email protected] ~]#

3. Check for viruses

[[email protected] apr-1.5.2]# Clamscan--log=1.log #检查当前目录下的所有文件, logging

[Email protected] apr-1.5.2]# clamscan-r. #检查当前目录的所有文件和文件夹

[Email protected] apr-1.5.2]# clamscan-r. --remove=[yes|no] #如果发现有病毒就删除

[Email protected] apr-1.5.2]# clamscan-r. --copy=/tmp #如果发现有病毒就复制到目标目录中

[Email protected] apr-1.5.2]# clamscan-r. --move=/tmp #如果发现有病毒就移动到目标目录中

4. Check the system for viruses every day

[Email protected] apr-1.5.2]# crontab-l
XX * * */usr/bin/freshclam
* * * */usr/bin/clamscan-r/home--remove-l/tmp/clamscan-' date +%y-%m-%d '. Log
[Email protected] apr-1.5.2]#

This article is from the "Days Together" blog, please be sure to keep this source http://tongcheng.blog.51cto.com/6214144/1773986

Linux anti-virus software (ClamAV)