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Forum: Security

Post here for help with Linux security issues: antivirus, firewalls, encryption, vulnerabilities, etc

  1. Sticky Thread Sticky: A short guide to Linux security

    Here at we are often asked about the potential threat of a virus or malware attack. This short guide is designed to answer some of...

    Started by fingal, 02-25-2006
    • Replies: 1
    • Views: 71,239
    01-11-2010 Go to last post
  1. Exclamation posible spyware on my PC that i can't get rid of

    I feel like an idiot and embarrassed for allowing this but i tried opening a file i got from the internet using sudo and now i think there's some...

    Started by pouar, 01-08-2012
    • Replies: 9
    • Views: 2,526
    01-15-2012 Go to last post
  2. Security dump

    (Linux/Debian) I am going to off-load my security experiences within the past two days to see if it makes sense to anybody. 1) I was poking...

    Started by BoDiddley, 01-02-2012
    • Replies: 2
    • Views: 936
    01-09-2012 Go to last post
  3. ClamAV errors

    Hi, I installed clamAV on my arch linux computer, but it is giving me the following error: ERROR: Please edit the example config fil...

    Started by jreidsma, 12-11-2011
    • Replies: 1
    • Views: 2,244
    01-02-2012 Go to last post
  4. Question Try to block some website with squid

    Hi have a server at eth2 with IP and share the network into eth0 with I try to block all user to access facebook. So that...

    Started by tanin007, 12-28-2011
    • Replies: 0
    • Views: 1,193
    12-28-2011 Go to last post
  5. Post Not being able to run SYSCHEKD in OSSEC local (HIDS)

    I am newbee to OSSEC. My objective is to install OSSEC in a ubuntu 10.04 server, configure it and then install rootkits, tamper files and then scan...

    Started by metalaarif, 12-25-2011
    • Replies: 0
    • Views: 1,074
    12-25-2011 Go to last post
  6. Exclamation Cracking D-Link Router Admin Password

    Erm, I don't know is it correct to put this post here, if not please redirect me, because I really need you guys help. As the title, I'm...

    Started by decryptologist, 12-21-2011
    • Replies: 1
    • Views: 10,909
    12-21-2011 Go to last post
  7. Pam ?

    I have briefly played around with ,active directories, openldap (novell) , samba , netbios, smb/cifs , kerbros but I am curious what PAM is for? ...

    Started by sam111, 12-15-2011
    • Replies: 0
    • Views: 790
    12-15-2011 Go to last post
  8. How to provide SSH Linux Users less privileiges ?

    Hi All Can you help me on this thing, here is my scenario.. we had a linux system(server), 1) where had created ssh users in order to access...

    Started by raki4236, 11-30-2011
    • Replies: 5
    • Views: 1,529
    12-14-2011 Go to last post
  9. How to determine what ports an application uses

    I have a network that uses a server in my basement at a gateway. It runs iptables. All net traffic in the house to the outside passes through this....

    Started by bill-linux, 12-09-2011
    • Replies: 2
    • Views: 1,554
    12-09-2011 Go to last post
  10. How to secure TMP folder?

    Hi I want to secure tmp folder and want to stop any execution there. Please guide me for that Thanks

    Started by agriz, 12-01-2011
    • Replies: 4
    • Views: 1,713
    12-01-2011 Go to last post
  11. How to setup Email alerts in sever?

    hi... Am new to the Networking technology, I want to add one security feature named as EMAIL ALERTS in server (it will send mail to adminstrator...

    Started by sandeepns, 10-31-2011
    • Replies: 2
    • Views: 1,388
    11-30-2011 Go to last post
  12. Question on Stateful Packet Inspection

    Hi all, Am working on "Stateful Packet Inspection", but i donno how to proceed. Can any one give me guidence how to do it.... ...

    Started by sandeepns, 11-29-2011
    • Replies: 0
    • Views: 860
    11-29-2011 Go to last post
  13. Webhost CentOS 6

    Hi, Can i get a list of firewall to be installed on a centos 6 machine which will be used for web hosting. (I haven't turned off selinux. Many...

    Started by agriz, 11-28-2011
    • Replies: 5
    • Views: 1,195
    11-28-2011 Go to last post
  14. Full disk encryption

    Hi, I use truecrypt for full system disc encryption in windows (from XP onwards) and have tried it with ubuntu and Mint but without success. I also...

    Started by ozzlawrence, 11-28-2011
    • Replies: 4
    • Views: 2,668
    11-28-2011 Go to last post
  15. Odd issue with putty

    Coworker says he logs into putty as his normal login, lets say jsmith but when he runs ID on the server he is logged onto it shows root user instead....

    Started by carlosponti, 11-23-2011
    • Replies: 2
    • Views: 1,128
    11-24-2011 Go to last post
  16. Firewall

    hi, I have one firewall script that is regarding iptables, when packet should drop,accept and forward..Actually mt doubt is where i need to...

    Started by viji129, 11-22-2011
    • Replies: 1
    • Views: 943
    11-22-2011 Go to last post
  17. how to allow POP3 port 110 on IPCOP

    Hi, I am using IPCOP 1.4 please tell me how to allow pop3 port 110 on firewall because my outlook express do not connect to POP3 server its giving...

    Started by lovelymat, 11-21-2011
    • Replies: 0
    • Views: 1,450
    11-21-2011 Go to last post
  18. Denial of Service protection - Software tools/methodologies

    Hi there, For my 3rd year project at uni I am carrying out a project looking into "denial of service attacks". I will be using cisco switches and...

    Started by Jbent, 11-19-2011
    • Replies: 1
    • Views: 1,236
    11-20-2011 Go to last post
  19. usb security

    hello,this is mallesh. how to give security to usb device in linux? i mean i want to give read/write only options to my usb mass storage...

    Started by mallesh453, 11-15-2011
    • Replies: 3
    • Views: 1,341
    11-19-2011 Go to last post
  20. Another Domain Redirects to Ours

    Hello guys! We deployed our site over the internet last week and we noticed something weird just this afternoon. Actually, I was trying to...

    Started by nujinini, 11-14-2011
    • Replies: 2
    • Views: 955
    11-15-2011 Go to last post

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