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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: 51,590
    01-11-2010 Go to last post
  1. Logins got loged in plain text

    Hi all I found a file in /usr/games/ which was a log of all successful logins. User name and password got loged in plain text. Due to this plain...

    Started by mjbohn, 03-22-2010
    • Replies: 5
    • Views: 916
    03-22-2010 Go to last post
  2. Trying to figure out how server was rooted

    Hi all, One of my servers was rooted recently. I'm trying to figure out how, to prevent it happening again. It's an OpenVZ virtual machine,...

    Started by kerm1t, 03-17-2010
    2 Pages
    1 2
    • Replies: 12
    • Views: 9,436
    03-22-2010 Go to last post
  3. Antivirus for Server

    hi I have a Linux Server for contact server which connects just to my LAN in the company. my LAN is connected to Internet. and I have some other...

    Started by leila5552, 03-10-2010
    • Replies: 8
    • Views: 1,023
    03-18-2010 Go to last post
  4. implementing stunnel

    I am trying to implement a POC (Proof of concept) Stunnel configurations between my VM (Fedora 9) and Windows 7. The problem is that every tutorial...

    Started by DanglingChap, 03-18-2010
    • Replies: 1
    • Views: 1,008
    03-18-2010 Go to last post
  5. Fail2ban and RHEL5

    I have used fail2ban on my debian server and I really like it. But when I installed it on my RHEL5 server it did not work right. It did not change or...

    Started by jordank, 03-03-2010
    • Replies: 1
    • Views: 1,156
    03-16-2010 Go to last post
  6. run bash commands as root.

    Hi. I need to launch a bash file in Linux from an unprivileged user session, file that will run bash commands as root. But I do not want to...

    Started by julia2009, 03-03-2010
    • Replies: 3
    • Views: 4,506
    03-15-2010 Go to last post
  7. Angry How to crack phishing webstte?

    Recently I'm receiving lot of spams about Income tax refund. I know these are phishing site :rolleyes: But I want to do something for these sites....

    Started by Lakshmipathi, 03-10-2010
    • Replies: 3
    • Views: 1,555
    03-10-2010 Go to last post
  8. HELP| Setup Firewall Server

    Hello! I have some servers, and i want to make one of them to a Firewall. How can I do it? Do you have any recommended software? ...

    Started by netanel, 03-07-2010
    • Replies: 2
    • Views: 773
    03-09-2010 Go to last post
  9. RPC not registered

    I am doing AUTO FS for NIS implementations, but after I put the command "showmount -e localhost(IP address), getting below error message ...

    Started by abhi082941, 03-01-2010
    • Replies: 1
    • Views: 927
    03-08-2010 Go to last post
  10. Help:"Protecting Data w/ Encrypted Linux Partitions"

    Hi! I was trying to follow the tutorial on "Protecting Data with Encrypted Linux Partitions" by Kashyap. After I moved all my data temporarily...

    Started by nujinini, 03-02-2010
    2 Pages
    1 2
    • Replies: 10
    • Views: 2,300
    03-05-2010 Go to last post
  11. Question How to use SUID/GUID and sticky bit?

    Hi all, I have a problem with SUID/GUID and sticky bit. When SUID or GUID or Sticky bit is set (without execute permission), it will not have any...

    Started by vhai, 03-02-2010
    • Replies: 3
    • Views: 4,393
    03-03-2010 Go to last post
  12. Plz help me for spoofing

    please i m running linux on my network. i have blocked user A because he blocked the internet connection from me. now user A use any mac address...

    Started by zaib1, 02-22-2010
    • Replies: 1
    • Views: 876
    02-22-2010 Go to last post
  13. Software Firewall or No Software Firewall?

    Software Firewall or No Software Firewall? I've been surfing around trying to find a definite answer to this question and its seems like...

    Started by gerard4143, 02-21-2010
    • Replies: 8
    • Views: 1,512
    02-22-2010 Go to last post
  14. How Ubuntu will block virus/spyware when I surf the web?

    Hi, I am new in the Linux user after I was attacked by tons of virus and spyware when I web surf in Windows. I now install Ubuntu 9.10 in my USB...

    Started by vincentwady, 02-18-2010
    • Replies: 5
    • Views: 8,097
    02-20-2010 Go to last post
  15. Freeradius problem

    Hello all, I am new to this forum but I am planning to write some manual for you about openssl and freeradius. The only problem right now is that I...

    Started by dre2007, 02-10-2010
    • Replies: 4
    • Views: 5,179
    02-17-2010 Go to last post
  16. Freeradius connection to openssl

    Hello fooks, I already posted another thread but i thought this would be a good question also. Right now I got a problem with freeradius. The...

    Started by dre2007, 02-11-2010
    • Replies: 2
    • Views: 6,611
    02-16-2010 Go to last post
  17. Lf newsletter Samba Vulnerability?

    There appeared recently an article in the LF newsletter about a Samba Vulnerability! Vulnerability in Samba provides access to files - The H...

    Started by cousinlucky, 02-13-2010
    • Replies: 4
    • Views: 1,238
    02-14-2010 Go to last post
  18. IPTables - Block IP for x Seconds

    Hello, I would like to know how i can ban IP's for a certain amount of seconds via the IPtables firewall. I hope you can help. Thanks!

    Started by umarsa, 10-26-2009
    • Replies: 3
    • Views: 2,160
    02-14-2010 Go to last post
  19. How to Only permit specific users FTP Login

    Hello, I have some hackers trying to get in through FTP login. They normally use users who do not exist. The FTP usernames we have are unique and...

    Started by chep, 06-07-2009
    • Replies: 3
    • Views: 1,926
    02-14-2010 Go to last post
  20. Preventing an account from being locked out...

    Hello... sorry if I am posting this in the wrong forum...since it deals with both Linux security and RHEL... First off...this is a customer...

    Started by dagummit, 01-13-2010
    • Replies: 1
    • Views: 2,007
    02-14-2010 Go to last post

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