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Re: [linux-5] What are the "Internet Security ( Firewall & Antivirus / AntiSpyware / Anti-rootkit) for a personal LINUX system"?

From: user 2.
Sent on: Tuesday, July 8, 2008 9:33 AM
This what I want to find out too. Let me know if anyone answers you. Thanks.


--- On Tue, 8/7/08, Vetrivel Arumugham <[address removed]> wrote:

> From: Vetrivel Arumugham <[address removed]>
> Subject: [linux-5] What are the "Internet Security ( Firewall & Antivirus / AntiSpyware / Anti-rootkit) for a personal LINUX system"?
> To: [address removed]
> Date: Tuesday, 8 July, 2008, 9:29 AM
> Hi
> 
> Pls lemme know the available  tools ( preferably OpenSoucre
> ; also commercial ) for Internet Security , Firewall & 
> AntiVirus /
> AntiSpyware / Anti-RootKit Tools  for a personal  LINUX
> system ( Debian
> based or Ubuntu ). 
> 
> Am NOT an advanced user of OpenSource security tools !
> 
> ====================­====================­============
> I use  iptables - customized it using online documents
> & arno-iptables.
> Only
> my PC is present in the (wired)  home-network ; since its
> only PC I
> didn't use any Router ( Linksys router which has a h/w
> firewall ).  My
> PC is directly connected to the Cable modem through a lan
> cable.
> 
> ISSUE-1)
> 
>  But still , sometimes my PC seems hacked.
> Some
> bookmarks I made in Firefox - DISAPPEARED yesterday within
> 20 minutes -
> when I was away from PC and the Modem was online and
> connected to PC -
> I didn't set the modem standby ; I didn't update
> Firefox / didn't apply
> any Forefox or OS patches / I didn't install any other
> application
> !!!!!!!
> 
> Using StarHub Maxonline .
> 
> I  checked my PC ( LINUX) - using www.GRC.com  - SHields Up
> online port scanning service.
> https://www.grc.co...­    ; and it displays 
> all ports are in Stealth mode.
> 
> ISSUE-2) 
> How can I close a particular port  using iptables ?
> I installed Firestarter GUI client ; but due to some
> problem it was NOT working hence uninstalled it.
> 
> What are the different remote access methods apart from the
> below ?
> telnet , ftp , sftp , ssh , ping ... 
> 
> Even if the respective daemons are shut-down ( in a
> personal LINUX system) , is it possible to access  data in
> my
> system using Firefox browser ( ports 80 & 443) ?  if
> someone knows  IP assigned to my system by StarHub DHCP
> server?
> 
> ISSUE-3)
>  Last week I was unable to access Yahoo-eMail;  got error
> " Error  999
> -    ....... check your system for any viruses /
> spyware....                ;         There might be unknown
> activity
> coming from your ISP; yahoo recommends to report this
> issue to your ISP".
> 
> ISSUE-4)  IGMP+Query attack from StarHub Servers and
> unknown servers:
>  When I boot my PC in Windows mode  ( I have ZoneAlarm
> Internet security - which is set on  medium protection
> level)
>  I used to get   lot of  security-alerts from ZoneAlarm
> Internet firewall  , like  
>  "The firewall has blocked an Internet Multicast (IGMP
> Query) to your computer from cm1.zeta134.maxonlin­e.com.sg
> [masked]) "
> Same such IGMP queries from  many of StarHub Maxonline
> servers ( at least 10 to 20 servers).
> But this happens - not regularly but random. 
> 
> Whats the port number for this IGMP Query and how it can be
> blocked when  using LINUX using IPtables ? and why they are
> sending such queries to a  CIvilian's computer ? Or are
> they arising from outside their network. 
> Have sent an eMail from them. Yet to receive respsonse.
> 
>   There are NO commercial firewalls( software based) /
> Internet security tools available - as far as my GOOGLE
> & Yahoo search.  
> 
> Thanks
> in Advance!   &  Hope to attend the next SLMG group !
> 
> Best Regds
> VETRI
> 
> Software Engineering Consultant  ( IBM-Rational Tools ,
> Microsoft Tools & OpenSource Tools)
> GSE ( www.Global-Software-­Engineering.com )
> 20, Maxwell  Road,
> #09-17, Maxwell House,
> Singapore -[masked]


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