-fYum Reinstall procps-yOrCp/root/ps/binNetstat/root/chattr-i-a/bin/netstat rm/bin/netstat-fYum Reinstall net-tools-yOrCp/root/netstat/binLsof/root/chattr-i-a/bin/lsof rm/usr/sbin/lsof-fYum Reinstall lsof-yOrCp/root/lsof/usr/sbinChattr lsattryum-y Reinstall E2fsprogsSs/root/chattr-i-a/usr/sbin/ss rm/usr/sbin/ss-fyum-y Reinstall IprouteOrCp/root/ss/usr/sbinModify the permissions of the following two programs, this is accidentally found to change the permissions of the two programs, let you fi
Iredmail is an open-source, free mail server project that is published under the GPL (V2) protocol. Official website www.iredmail.org (domestic not accessible), can be accessed through www.iredmail.com.Iredmail is a good Post Office Server free solution for small businesses, individuals or teams to build internal staff mailbox services;Using Iredmail to build a mail server requires a public network of CentOS hosts. Recommended use of VPS;Iredmail core components and their corresponding functions
Configuration22.Squid Security Configuration23. log file Management (syslog,logrotate)24. Hazardous Services (INETD.CONF)25. System Fingerprint (/etc/motd/etc/issue/etc/issue.net)26. Scheduled Tasks (Crontab/cronjob)27. Whether the audit module is open (AUDITD)28. Time Synchronization Service (NTP)29. Encryption (e.g. SSL certificate validity period)30. Whether to apply a security framework (Selinux,apparmor, grsecurity)31. Is there a file system integrity Detection Tool (Afick,aide, Osiris,sam
Tag: c A uses a Linux server windowIt is said that the virus on the "linux" system is far less than the virus on the Windows system. From the popularity of 2 systems, it is obvious that"linux" the use of the population is very small, so the "linux" on the spread of the virus, the scope of the victimization is not small.However, it is wrong to think that there is no virus ","linux on "linux and no virus prevention strategy is needed.Linux is also infected with the virus, not only that, on the Lin
is controlled through programs, the Web services layer (middleware layer), and the database.
Controls permissions to upload directories and permissions for non-site directories (Linux file directory permissions +web service layer control).
Access and execution control (Web service layer + file system storage layer) after Trojan file.
MD5 fingerprints and backups of files such as important profiles, commands, and web configurations.
Install anti-virus software
be used for Twitter, identi.ca, Jaiku, Facebook, Digg and more. (sudo apt-get install gwibber)3)QQ and Skype. This is I add, you can download the Linux version of QQ online, very good. and Skype. Security and privacy1)on-the-fly encryption . http://sd4l.sourceforge.net/2)VPN access . sudo apt-get install NETWORK-MANAGER-PPTP3)Onion Routing. The best-known piece of the software is the Tor that I mentioned earlier in this article, which bypasses GFW software. (sudo apt-get install Tor tor-geoipdb
Management
System Restore Program (Xghost)
Hotplug Management
Device Hot-swappable monitoring (Xhotplug)
WatchDog Management
Hardware and software watchdog (Xwdog)
Noos Micro OS
Heterogeneous processor Micro operating system (XEDSP)
Cups Printing System
Linux Bottom Printer docking system (xcups)
NAT Transport Management
NAT Intelligent Transmission System (XENAT)
Curl Transport Man
)8, Xlsxwriter: The operation of Excel worksheet text, numbers, formulas, charts and so on.9, RRDtool: Used to track changes in the object, to generate these changes in the walk chart10. Scapy (http://www.wecdev.org/projects/scapy/) is a powerful interactive packet processing program that can spoof or unpack packets, including sending packets, packet sniffing, answering and feedback functions.11, Clam Antivirus free open source anti-virus software, Pyclamad, you can let the Python module directl
the installation package:Http://www.iredmail.com/download.html3, decompression
Tar XF iredmail-0.9.4.tar.bz2CD iRedMail-0.9.43, execute the script
Bashiredmail.sh
Then yes can be
The Post Office directory defaults to
Select the program that provides the web
Select a database to
Enter the domain name, not consistent with hostname
Enter Background login password
Leave the default Next
Make sure the information is correct and then enter Y
software products, features rich, powerful, provide cross-platform support
2). Open Source mail system
Sendmail: The most ancient, stable operation, but poor security
Qmail: Better implementation efficiency, configuration, management is also very convenient
Postfix: Compatible with SendMail, modular design, excellent performance in delivery efficiency, stability, service performance and security
Sendmail: Provide mail send service (SMTP)
Dovecot: Provide mail charge service (POP3)
Outloo
different spam messages using different technologies, comprehensive analysis of spam, at the same time for each feature of the garbage score, according to the comprehensive score to determine whether True accuracy is high, the rate of manslaughter is low. At the same time, embedded ClamAV antivirus engine, Automatic Update virus feature library, mail virus kill rate reached 99.9%.
Nine-layer anti-spam engine, anti-spam/anti-virus modules can be au
basic is based on their own actual situation, testing which products more meet their needs. Turbomail function module is very powerful, mail monitoring, mail approval, mail archiving, message tracking and recall, advanced relay, anti-spam anti-virus, video mail, network hard disk, instant messaging, intelligence bulletin, etc., to provide users with intelligent office management.
2) Security
The security of the system is a hot issue which the enterprise pays close attention to, turbomail the
the script for the path and see what the script does3, find the whole system in a day to modify the file/tmp/find1_day.txt This file may be found in more things, you can properly filter some directories, such as/proc directory, such as/sys directoryFind/-type f-ctime-1 >/tmp/find1_day.txt cat/tmp/find1_day.txt |grep-v "/proc" |grep-v "/sys"4. Analysis of other logsLastHistory/var/log/secure/etc/passwd See if this file changes.5, look at the external port, now almost all of the intrusion, are en
Release date:Updated on:
Affected Systems:AVG Anti-VirusFrisk F-Prot AntivirusVirusBlokAda Vba32 AntiVirusAVIRA AntiVirDescription:--------------------------------------------------------------------------------Bugtraq id: 51861
. Kz is the proprietary archive format of KuaiZip. Frisk F-Prot Antivirus, Avast! Antivirus, g data, Ikarus, Softwin BitDefender, Kaspersky Anti-Virus, ClamAV Panda Antivirus, CPsecure, Quick Heal, Dr. web, Sophos, emsisoft An
.
* Update the software package: clamav-> 0.95.2, awstats-> 6.9-2, dovecot->
1.1.16.
* Adds more LDAP attributes.
* Fixed the absence of cron software package during lean RHEL/CentOS installation.
And cause installation errors.
* Anti-spam and anti-virus settings are enabled by default on Debian Ubuntu.
Thanks to Falador for the Forum.
Feedback and testing.
* Added work for sending mailbox capacity alarms: tools/dovecot-
Quota-
Warning. sh.
* Update
What are the free anti-virus software used in LINUX-general Linux technology-Linux technology and application information? For details, refer to the following. My computer is used in the school. I use the education network. There are a lot of bad guys in the education network, especially the ARP virus! Generally, Windows and LINUX are installed on computers to meet learning needs! I am eager to find some useful free anti-virus software in LINUX. If I want to pay for it, it is estimated that the
to introduce some of the tools I have used to you. I hope one or two of them will be what you need.
1. Knoppix
Knoppix is one of the best tools to rescue data from paralyzed machines. It is a completely mature Live Linux release, and it has a powerful and friendly graphic user interface, you can easily mount a disk and copy data from the disk to an external storage medium. Of course, Knoppix also contains a complete Linux Command set, you only need to move your finger to rescue the data.
2.
Anti-virus software available on E-PUPLinux-general Linux technology-Linux technology and application information. For details, refer to the following section. Because E-PUP Linux can be installed on a computer with Windows installed, the anti-virus software installed here is mainly used to scan and clean up viruses on Windows systems.
F-prot
On E-PUP Linux I have installed F-prot from Iceland,
Avast
This is a tested antivirus software that can be installed and run on E-PUP Linux.
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